Sanitize prompt-slot prose: remove baseline-name/answer-form/exponent leaks + distractor labels + internal meta from input/target descriptions and priors descriptions/sources (LLM per-task audit)

baseball_pythagorean_winpct_lahman__win_pct/metadata.yaml

@@ -37,7 +37,7 @@ inputs:
   - name: G
     symbol: G
     unit: games
-    description: Games played in the season. Sets the run environment via runs-per-game RPG = (R + RA) / G, used by the run-environment-dependent exponent forms (Pythagenport, Pythagenpat). The constant-exponent forms (James, Miller) ignore it. Does not leak the target — G is the games total, not the win/loss split, so win_pct = W/(W+L) cannot be recovered from it.
+    description: Games played in the season.
     range:
       train: [52, 165]
       test:  [58, 163]
@@ -77,8 +77,8 @@ priors:
   - name: games_per_season_modern
     value: 162.0
     unit: games
-    description: Number of regular-season games per team in the modern MLB schedule (since 1961 AL / 1962 NL). A fixed constant — distractor; the run-environment forms use the actual per-season games input G (which varies, e.g. 52–165 here), not this constant, and the constant-exponent forms ignore games entirely.
-    source: Historical MLB schedule. Distractor — not a parameter of any baseline (variable-exponent forms read the per-row G input instead).
+    description: Number of regular-season games per team in the modern MLB schedule (since 1961 AL / 1962 NL).
+    source: Historical MLB schedule.
     _role: distractor
   - name: innings_per_game
     value: 9.0
@@ -89,7 +89,7 @@ priors:
   - name: batting_avg_lg_typical
     value: 0.260
     unit: ""
-    description: Approximate long-run MLB league batting average, used in offensive-efficiency models (sabermetrics). Not a parameter of the Pythagorean run-ratio formula.
+    description: Approximate long-run MLB league batting average (hits per at-bat, ~0.260).
     source: Thorn & Palmer (1984), The Hidden Game of Baseball, p. 64; historical MLB statistics (Retrosheet).
     _role: distractor
 

binary_pulsar_post_keplerian_atnf__PBDOT/metadata.yaml

@@ -146,14 +146,14 @@ priors:
   - name: coeff_73_24
     value: 3.0416667
     unit: ""
-    description: GR eccentricity-polynomial coefficient 73/24 from Peters & Mathews 1963 Eq. 17 -- structural constant.
-    source: Peters & Mathews 1963, Eq. 17, PDF p. 437
+    description: Dimensionless rational coefficient 73/24.
+    source: null
     _role: distractor
   - name: coeff_37_96
     value: 0.3854167
     unit: ""
-    description: GR eccentricity-polynomial coefficient 37/96 from Peters & Mathews 1963 Eq. 17 -- structural constant.
-    source: Peters & Mathews 1963, Eq. 17, PDF p. 437
+    description: Dimensionless rational coefficient 37/96.
+    source: null
     _role: distractor
 
 # Reference-baseline bank

bird_flight_speed_alerstam__Ue/metadata.yaml

@@ -77,26 +77,26 @@ priors:
   - name: g_gravity
     value: 9.81
     unit: m/s^2
-    description: Standard gravitational acceleration — BIPM/ISO 80000 definition (exact). A universal physical constant that enters the aerodynamic lift-equilibrium formula via the weight force W = m*g. This is a physical building block, not a fit coefficient from the Alerstam (2007) study.
-    source: CODATA/BIPM; ISO 80000-3; used as OTHER_CONSTANTS["g"] in alerstam_2007.py.
+    description: Standard gravitational acceleration — BIPM/ISO 80000 definition (exact). A universal physical constant.
+    source: CODATA/BIPM; ISO 80000-3.
     _role: candidate
   - name: rho_0_sea_level
     value: 1.225
     unit: kg/m^3
-    description: "ISA sea-level air density — ICAO Standard Atmosphere (ISO 2533:1975) reference value. Defines the equivalent airspeed (Ue): true airspeed corrected to sea-level air density. A universal atmospheric reference constant, not a fit coefficient from Alerstam (2007)."
-    source: ICAO Standard Atmosphere ISO 2533:1975; stated in Alerstam 2007 Methods p. 6 (reference [14]) for the Ue definition.
+    description: "ISA sea-level air density — ICAO Standard Atmosphere (ISO 2533:1975) reference value. Defines the equivalent airspeed (Ue): true airspeed corrected to sea-level air density. A universal atmospheric reference constant."
+    source: ICAO Standard Atmosphere ISO 2533:1975.
     _role: candidate
   - name: exponent_Q_theoretical
     value: 0.5
     unit: dimensionless
-    description: Theoretical exponent for Ue vs wing loading Q under dynamical similarity (Ue ~ Q^0.5); the paper's main scientific claim is that the EMPIRICAL exponent is ~0.31, not this theoretical value.
-    source: Alerstam 2007 Introduction, page 1; this is the predicted exponent the paper tests.
+    description: A candidate exponent value for the airspeed vs wing-loading scaling under dynamical similarity.
+    source: null
     _role: distractor
   - name: exponent_mass_theoretical
     value: 0.1667
     unit: dimensionless
-    description: Theoretical exponent for Ue vs body mass under geometrical similarity (Ue ~ m^{1/6}); the paper finds the empirical exponent departs significantly from this theoretical prediction for large birds.
-    source: Alerstam 2007 Introduction, page 1; one-sixth (= 1/6).
+    description: A candidate exponent value for the airspeed vs body-mass scaling under geometrical similarity.
+    source: null
     _role: distractor
 
 # Reference-baseline bank

bns_postmerger_waveform_core__f2/metadata.yaml

@@ -115,19 +115,19 @@ priors:
     value: 4.925490947e-6
     unit: s
     description: IAU/CODATA derived constant G*M_sun/c^3 — the geometric-units solar mass in seconds; exact value follows from the IAU 2012 nominal solar mass parameter GM_sun = 1.32712440018e20 m^3/s^2 and the exact CODATA speed of light c = 299792458 m/s. This is NOT a fit coefficient; it is a universal conversion constant fixed by IAU+CODATA, independent of any NR simulation dataset.
-    source: IAU 2012 Division I Working Group (TDB-compatible GM_sun); CODATA 2018 c; value cited in gonzalez_2023 unit conversion from dimensionless M*f2 to kHz.
+    source: IAU 2012 Division I Working Group (TDB-compatible GM_sun); CODATA 2018 c.
     _role: candidate
   - name: f2_typical_equal_mass
     value: 2.5
     unit: kHz
     description: Typical post-merger peak frequency for equal-mass BNS with total mass ~2.7 M_sun and moderate EOS.
-    source: Gonzalez 2023 and Vretinaris 2020 — central region of Fig. 2/Fig. 8.
+    source: null
     _role: distractor
   - name: nuclear_saturation_density
     value: 2.3e14
     unit: g/cm^3
     description: Nuclear saturation density rho_0 — density at which neutron star matter reaches equilibrium.
-    source: Standard nuclear-physics value; appears in EOS discussions in Vretinaris 2020.
+    source: Standard nuclear-physics value.
     _role: distractor
 
 caps:

budyko_partitioning_mach__et_over_p/metadata.yaml

@@ -160,7 +160,7 @@ priors:
   - name: omega_Zhang_2001_global
     value: 0.9
     unit: ""
-    description: Zhang et al. (2001) plant-available water coefficient omega for mixed vegetation (forests + grasslands), a shape parameter in the Zhang-Dawes-Walker Budyko variant. Not used in any formula in this task's baseline bank.
+    description: Zhang et al. (2001) plant-available water coefficient omega for mixed vegetation (forests + grasslands), a shape parameter in the Zhang-Dawes-Walker Budyko variant.
     source: "Zhang L et al. (2001) Wat. Resour. Res. 37:701-708, Table 1 — omega=0.9 for mixed (forest+grass) catchments."
     _role: distractor
 

catchment_mean_runoff_camels__q_mean/metadata.yaml

@@ -13,7 +13,7 @@ target:
   name: q_mean
   symbol: Q
   unit: mm/day
-  description: Long-term mean daily runoff per unit catchment area (observed streamflow / area).  Bounded above by mean precipitation (water-balance closure) and below by zero.  The most arid test catchments approach zero runoff; the declared metric is rmse (the field-standard runoff error; a log metric is unsuitable because the demand-limit baseline legitimately predicts exactly zero in arid catchments).
+  description: Long-term mean daily runoff per unit catchment area (observed streamflow / area).  Bounded above by mean precipitation (water-balance closure) and below by zero.  The most arid test catchments approach zero runoff; the declared metric is rmse (the field-standard runoff error; a log metric is unsuitable because runoff can be legitimately zero in arid catchments).
   range:
     train: [0.336318, 9.68844]
     test:  [0.00455316, 1.94922]
@@ -22,91 +22,91 @@ inputs:
   - name: p_mean
     symbol: P
     unit: mm/day
-    description: Long-term mean daily precipitation over the catchment.  PRIMARY input — one of the two Budyko variables; all three reference baselines use it.
+    description: Long-term mean daily precipitation over the catchment.
     range:
       train: [1.88818, 8.93689]
       test:  [0.644565, 3.8965]
   - name: pet_mean
     symbol: E_p
     unit: mm/day
-    description: Long-term mean daily potential evapotranspiration (Priestley-Taylor) over the catchment.  PRIMARY input — the second Budyko variable; all three reference baselines use it.
+    description: Long-term mean daily potential evapotranspiration (Priestley-Taylor) over the catchment.
     range:
       train: [1.8991, 4.34899]
       test:  [1.95294, 4.74391]
   - name: aridity
     symbol: φ
     unit: ""
-    description: Aridity index φ = PET/P.  DISTRACTOR — exactly collinear with the ratio of the two primary inputs (aridity = pet_mean/p_mean), so it carries no independent information.  The Budyko curve IS a function of φ, but a formula built from p_mean and pet_mean already has it.
+    description: Aridity index φ = PET/P.  Exactly collinear with the ratio of the two primary inputs (aridity = pet_mean/p_mean), so it carries no independent information.
     range:
       train: [0.220284, 1.10049]
       test:  [1.1017, 5.20791]
   - name: p_seasonality
     symbol: s_P
     unit: ""
-    description: Precipitation seasonality / phasing index (positive = precip in warm season, negative = cold season).  Candidate secondary predictor; not used by any reference baseline.
+    description: Precipitation seasonality / phasing index (positive = precip in warm season, negative = cold season).
     range:
       train: [-1.35835, 0.824779]
       test:  [-1.43546, 0.922019]
   - name: frac_snow
     symbol: f_s
     unit: ""
-    description: Fraction of annual precipitation falling as snow.  Candidate secondary predictor; not used by any reference baseline.
+    description: Fraction of annual precipitation falling as snow.
     range:
       train: [0, 0.777311]
       test:  [0, 0.906327]
   - name: area_gages2
     symbol: A
     unit: km^2
-    description: Catchment drainage area (GAGES-II estimate).  Candidate secondary predictor; not used by any reference baseline.
+    description: Catchment drainage area (GAGES-II estimate).
     range:
       train: [5.38, 14268.9]
       test:  [4.03, 25791]
   - name: elev_mean
     symbol: z
     unit: m
-    description: Catchment-mean surface elevation above sea level.  Candidate secondary predictor; not used by any reference baseline.
+    description: Catchment-mean surface elevation above sea level.
     range:
       train: [10.21, 3370.38]
       test:  [25.46, 3571.18]
   - name: slope_mean
     symbol: S
     unit: m/km
-    description: Catchment-mean topographic slope.  Candidate secondary predictor; not used by any reference baseline.
+    description: Catchment-mean topographic slope.
     range:
       train: [0.82221, 255.688]
       test:  [1.80947, 176.367]
   - name: soil_porosity
     symbol: n
     unit: ""
-    description: Catchment-mean soil porosity (volumetric void fraction).  Candidate secondary predictor; not used by any reference baseline.
+    description: Catchment-mean soil porosity (volumetric void fraction).
     range:
       train: [0.373282, 0.680023]
       test:  [0.383145, 0.477398]
   - name: max_water_content
     symbol: S_max
     unit: m
-    description: Catchment-mean maximum soil water storage capacity (equivalent water depth).  Candidate secondary predictor; not used by any reference baseline.
+    description: Catchment-mean maximum soil water storage capacity (equivalent water depth).
     range:
       train: [0.161366, 1.05198]
       test:  [0.0866022, 0.751752]
   - name: geol_permeability
     symbol: log10_k
     unit: log10(m^2)
-    description: Base-ten log of catchment-mean subsurface permeability.  Candidate secondary predictor; not used by any reference baseline.
+    description: Base-ten log of catchment-mean subsurface permeability.
     range:
       train: [-16.5, -10.9]
       test:  [-16.2648, -11.8]
   - name: frac_forest
     symbol: f_for
     unit: ""
-    description: Fraction of catchment area covered by forest.  Candidate secondary predictor; not used by any reference baseline.
+    description: Fraction of catchment area covered by forest.
     range:
       train: [0.0044, 1]
       test:  [0, 1]
   - name: lai_max
     symbol: L_max
     unit: ""
-    description: Catchment-mean annual maximum leaf-area index.  Candidate secondary predictor; not used by any reference baseline.
+    description: Catchment-mean annual maximum leaf-area index.
     range:
       train: [1.19995, 5.58212]
       test:  [0.367125, 5.51154]
@@ -142,13 +142,13 @@ priors:
     value: 2.6
     unit: dimensionless
     description: Typical Budyko/Fu/Choudhury shape exponent for mid-latitude catchments; a candidate value for the one-parameter Budyko curve's exponent.
-    source: Choudhury 1999 J. Hydrol. 216:99 — found α ≈ 1.8-2.6 across field sites and large basins.  Yang et al. 2008 report n ≈ 1.5-3.0.  A candidate for the shape exponent (v2 train fit gives ≈ 1.69).
+    source: Reported across field sites and large basins in the range α ≈ 1.5-3.0.  A candidate for the shape exponent.
     _role: candidate
   - name: priestley_taylor_alpha
     value: 1.26
     unit: dimensionless
     description: Priestley-Taylor coefficient relating equilibrium to potential evapotranspiration.
-    source: Priestley & Taylor 1972 Mon. Weather Rev. 100:81.  Used in computing pet_mean for CAMELS; a DISTRACTOR for the Budyko runoff curve, which takes PET as a given input.
+    source: Priestley & Taylor 1972 Mon. Weather Rev. 100:81.  Used in computing pet_mean.
     _role: distractor
   - name: runoff_ratio_global_mean
     value: 0.39

commuting_gravity_lodes__flow_Tij/metadata.yaml

@@ -65,26 +65,26 @@ priors:
 - name: commuter_fraction_US2000
   value: 0.12
   unit: dimensionless
-  description: Ratio of total commuters to total population N_c/N for US Census 2000; used in Simini radiation model T_i = m_i * N_c/N. Empirical census figure for US population, not a coefficient in the gravity or extended-radiation models shipped here.
-  source: "Simini et al. 2012, SI Sec. 1.1 (34,116,820 commuters / 281M US 2000 total population \u2248 0.121)."
+  description: Ratio of total commuters to total population N_c/N for US Census 2000. An empirical census figure for the US population.
+  source: "US Census 2000 (34,116,820 commuters / 281M total population \u2248 0.121)."
   _role: distractor
 - name: zipf_slope_empirical
   value: 0.8472
   unit: dimensionless
-  description: Empirical slope b of log-log fit log(T) = a + b*log(P1*P2/D) on Railway Express data (78 city-pairs, May 1939). A historical gravity-model calibration for 1930s rail traffic; not a coefficient in the Lenormand 2016 or Simini 2012 formulas benchmarked here.
-  source: Zipf 1946, PDF p. 680.
+  description: Empirical slope b of a log-log fit on historical Railway Express data (78 city-pairs, May 1939). A historical gravity-model calibration for 1930s rail traffic.
+  source: Zipf 1946.
   _role: distractor
 - name: gravity_exponent_classic
   value: 2.0
   unit: dimensionless
-  description: Classic gravity model distance exponent (T \u221d 1/d^2 by analogy with Newtonian gravity). A theoretical reference value; the empirically fitted US county exponent (3.32 for power-law) differs substantially from this Newtonian analogy.
-  source: Ravenstein 1885 / Newton analogy cited in Lenormand et al. 2016, PDF p. 2 introduction.
+  description: Classic gravity-model distance exponent by analogy with Newtonian gravity. A theoretical reference value.
+  source: Ravenstein 1885 / Newton analogy.
   _role: distractor
 - name: beta_pow_EU_municipalities
   value: 1.74
   unit: dimensionless
-  description: Power-law distance exponent for European municipality-level commuting derived from Lenormand 2016 scaling law at mean area S=71.4 km^2. Contrast to the US county value; not a coefficient in the US-specific formulas benchmarked here.
-  source: Lenormand et al. 2016, Fig. 8b scaling law evaluated at S=71.4 km^2 (European municipality scale), PDF p. 10.
+  description: Power-law distance exponent for European municipality-level commuting at mean area S=71.4 km^2.
+  source: null
   _role: distractor
 references:
 - id: simini_2012

dna_melting_temperature_khandelwal__Tm/metadata.yaml

@@ -79,25 +79,25 @@ priors:
   - name: pKa_phosphate_backbone
     value: 2.0
     unit: dimensionless
-    description: Approximate pKa of the DNA phosphate backbone. The backbone phosphodiester groups carry a negative charge at physiological pH (pKa ~2), contributing to electrostatic interactions screened by [Na+] — but this pKa value is not a parameter of the Khandelwal regression.
+    description: Approximate pKa of the DNA phosphate backbone. The backbone phosphodiester groups carry a negative charge at physiological pH (pKa ~2), contributing to electrostatic interactions screened by [Na+].
     source: Blackburn & Gait (eds.) "Nucleic Acids in Chemistry and Biology" 3rd ed. (2006); standard biochemistry reference.
     _role: distractor
   - name: Boltzmann_J_per_K
     value: 1.380649e-23
     unit: J/K
-    description: Boltzmann constant k_B (CODATA 2018 exact definition). Appears in thermodynamic treatments of DNA helix-coil transitions (e.g. nearest-neighbour entropy terms), but not in the Khandelwal phenomenological regression.
+    description: Boltzmann constant k_B (CODATA 2018 exact definition). Appears in thermodynamic treatments of DNA helix-coil transitions (e.g. nearest-neighbour entropy terms).
     source: CODATA 2018 exact value (SI redefinition).
     _role: distractor
   - name: R_gas_J_per_mol_K
     value: 8.314462618
     unit: J/(mol*K)
-    description: Molar gas constant R (CODATA 2018). Appears in van't Hoff / nearest-neighbour thermodynamic melting models (ΔH / ΔS framework) but is not used by the Khandelwal empirical multiple-regression formula.
+    description: Molar gas constant R (CODATA 2018). Appears in van't Hoff / nearest-neighbour thermodynamic melting models (ΔH / ΔS framework).
     source: CODATA 2018 (derived from k_B × N_A).
     _role: distractor
   - name: dna_persistence_length_bp
     value: 50.0
     unit: bp
-    description: Canonical persistence length of double-stranded B-form DNA (~50 bp ≈ 17 nm). Governs elastic properties and loop formation probabilities but is not a parameter in the Khandelwal melting temperature regression.
+    description: Canonical persistence length of double-stranded B-form DNA (~50 bp ≈ 17 nm). Governs elastic properties and loop formation probabilities.
     source: Bustamante et al. (1994) Science 265:1599; Hagerman (1988) Annu Rev Biophys Biophys Chem 17:265 — standard biophysics value.
     _role: distractor
 references:

drosophila_isolation_by_distance_dest__M_stat/metadata.yaml

@@ -13,7 +13,7 @@ target:
   name: M_stat
   symbol: M
   unit: ""
-  description: Rousset's linearised differentiation statistic, M_stat = F_ST / (1 - F_ST), per pair of populations.
+  description: Linearised genetic-differentiation statistic, M_stat = F_ST / (1 - F_ST), per pair of populations.
   range:
     train: [0.000335, 0.229405]
     test:  [1e-06, 0.293438]
@@ -53,14 +53,14 @@ priors:
   - name: rousset_2d_slope_mainland_self_fit
     value: 0.0091
     unit: 1 / ln(km)
-    description: Drosophila-specific b = 1/(4πD·σ²) self-fit from the v1 build_pairwise PROVENANCE.md, mainland Europe subset only.
-    source: v1 `__F_ST` task's data_raw/PROVENANCE.md sanity-check OLS regression on mainland Europe pairs (not from the Rousset 1997 paper itself; Rousset's two numerical examples involved humans and snails, not Drosophila).  Provided as a candidate ballpark for the 2-D slope; the v2 Type I reference baseline `rousset_1997` uses 0.01892 instead, derived from the v2 train band (848-2575 km, all 53 populations).
+    description: Drosophila-specific b = 1/(4πD·σ²) self-fit on a mainland Europe subset only.
+    source: Sanity-check OLS regression on mainland Europe pairs. Provided as a candidate ballpark for the 2-D isolation-by-distance slope.
     _role: candidate
   - name: chromosome_translocation_rate_typical
     value: 1.0e-3
     unit: per generation
     description: A typical Drosophila chromosomal translocation rate.
-    source: Drosophila-adjacent quantity but not used by either IBD reference baseline; population differentiation in this task is driven by pair-wise geographic distance, not chromosomal rearrangement.  A distractor.
+    source: Drosophila-adjacent quantity; population differentiation in this task is driven by pair-wise geographic distance, not chromosomal rearrangement.
     _role: distractor
 
 # === Reference baselines ===

eclipsing_binary_mass_luminosity_debcat__log_L_Lsun/metadata.yaml

@@ -29,7 +29,7 @@ inputs:
   - name: metallicity
     symbol: "[M/H]"
     unit: dex
-    description: Logarithmic stellar metallicity relative to the Sun.  Missing (NaN) for stars without a published spectroscopic determination (~50% of rows).  Distractor input — no reference baseline uses it.
+    description: Logarithmic stellar metallicity relative to the Sun.  Missing (NaN) for stars without a published spectroscopic determination (~50% of rows).
     range:
       train: [-1.86, 0.55]
       test:  [-1.47, 0.51]
@@ -68,26 +68,26 @@ priors:
   - name: kuiper_1938_slope_classical
     value: 3.5
     unit: dimensionless
-    description: Kuiper 1938's originally-reported M-L power-law slope.
-    source: Kuiper 1938 ApJ 88:472 (PDF on disk) — empirical fit on the available 1938 stellar sample.  A candidate value for the ALPHA exponent; modern compilations (including v2 train) refit ALPHA ≈ 4.4 reflecting more high-mass coverage.
+    description: A historically-reported mass-luminosity power-law slope.
+    source: Early empirical fit on an available stellar sample.  A candidate value for the power-law slope; modern compilations with more high-mass coverage tend toward a steeper value.
     _role: candidate
   - name: eddington_classical_ml_slope
     value: 3.0
     unit: dimensionless
-    description: Eddington 1926 theoretical M-L slope for uniform-composition stars dominated by electron-scattering opacity.
-    source: Eddington 1926 "Internal Constitution of the Stars" textbook §VII.  A candidate value for the ALPHA exponent; the theoretical slope is closer to 3 than the empirical 4 because real main-sequence stars have varying opacity and composition.
+    description: A theoretical mass-luminosity slope for uniform-composition stars dominated by electron-scattering opacity.
+    source: Classical stellar-structure theory.  A candidate value for the power-law slope; the idealized theoretical slope is shallower than empirical fits because real main-sequence stars have varying opacity and composition.
     _role: candidate
   - name: eddington_luminosity_solar
     value: 1.26e31
     unit: W
     description: Eddington luminosity for a 1 M_sun star with electron-scattering opacity.
-    source: Eddington 1926 textbook value.  The Eddington-limit luminosity above which radiation pressure exceeds gravity; only relevant for super-massive (M > 50 M_sun) or accreting objects.  A distractor for the v2 test range (M ≤ 27 M_sun).
+    source: Classical stellar-structure theory.  The Eddington-limit luminosity above which radiation pressure exceeds gravity; only relevant for super-massive (M > 50 M_sun) or accreting objects.
     _role: distractor
   - name: chandrasekhar_mass_limit
     value: 1.4
     unit: M_sun
     description: Maximum mass of a stable white dwarf.
-    source: Chandrasekhar 1931, ApJ 74:81.  Relevant to white-dwarf physics, not to main-sequence M-L scaling.  A distractor.
+    source: Chandrasekhar 1931, ApJ 74:81.  Relevant to white-dwarf physics, not to main-sequence mass-luminosity scaling.
     _role: distractor
 
 # === Reference baselines ===

exfor_neutron_capture_resonance_gold__sigma_E/metadata.yaml

@@ -22,7 +22,7 @@ inputs:
   - name: E_eV
     symbol: E
     unit: eV
-    description: Incident neutron kinetic energy in electronvolts.  The single SR feature — both the 1/v law and the Breit-Wigner resonance are univariate functions of E.  Spans the sub-thermal to ~50 eV window.
+    description: Incident neutron kinetic energy in electronvolts.  The single SR feature; the cross section is a univariate function of E.  Spans the sub-thermal to ~50 eV window.
     range:
       train: [3.99e-05, 49.975]
       test:  [6.88e-05, 49.308]
@@ -62,26 +62,26 @@ priors:
   - name: au197_resonance_energy
     value: 4.906
     unit: eV
-    description: Energy of the dominant low-energy s-wave resonance of Au-197; a candidate for E_R in the Breit-Wigner term.
+    description: Energy of the dominant low-energy s-wave resonance of Au-197; a candidate for the resonance peak energy.
     source: Mughabghab 'Atlas of Neutron Resonances' 6th ed. 2018 (reproduced in ENDF/B-VIII.0, JEFF-3.3, JENDL-5 within ~0.5%).
     _role: candidate
   - name: au197_resonance_width
     value: 0.1372
     unit: eV
-    description: Total width Gamma_total = Gamma_n + Gamma_gamma of the 4.906 eV resonance; a candidate for the Breit-Wigner width.
+    description: Total width Gamma_total = Gamma_n + Gamma_gamma of the 4.906 eV resonance; a candidate for the resonance width.
     source: Mughabghab 2018 (Gamma_n = 15.2 meV, Gamma_gamma = 122 meV).
     _role: candidate
   - name: one_over_v_exponent
     value: -0.5
     unit: dimensionless
-    description: The 1/v-law exponent of energy in the s-wave low-energy limit (sigma ∝ E^(-1/2)).
-    source: Bohr & Wheeler 1939 / Wigner-Eisenbud compound-nucleus theory.  A candidate for the background power-law exponent.
+    description: The energy exponent in the s-wave low-energy limit of compound-nucleus capture theory.
+    source: Compound-nucleus reaction theory.  A candidate for the background power-law exponent.
     _role: candidate
   - name: au197_thermal_sigma
     value: 98.66
     unit: barn
     description: Thermal (0.0253 eV) capture cross section of Au-197 (a neutron-flux standard).
-    source: Mughabghab 2018.  Sets the 1/v background scale; a candidate for the cross-section normalisation.
+    source: Mughabghab 2018.  Sets the smooth background scale; a candidate for the cross-section normalisation.
     _role: candidate
 
 # === Reference baselines ===

exoplanet_mass_radius__R/metadata.yaml

@@ -93,19 +93,19 @@ priors:
   - name: AU_m
     value: 149597870700.0
     unit: m
-    description: IAU 2012 exact definition of the astronomical unit — orbital scale; not a mass-radius relation parameter.
+    description: IAU 2012 exact definition of the astronomical unit — an orbital distance scale.
     source: "IAU 2012 Resolution B2 (exact: 1 au = 149597870700 m)."
     _role: distractor
   - name: R_jupiter_in_R_earth
     value: 11.21
     unit: R_earth
-    description: Radius of Jupiter in Earth radii — planetary radius scale; not the same as the piecewise power-law normalization used in the formulas.
+    description: Radius of Jupiter in Earth radii — a planetary radius scale.
     source: IAU 2015 nominal value; standard planetary science reference.
     _role: distractor
   - name: solar_metallicity_Z
     value: 0.0134
     unit: dimensionless
-    description: Present-day solar bulk metallicity (heavy-element mass fraction) — stellar abundance reference used to contextualise host-star properties; not a mass-radius relation parameter.
+    description: Present-day solar bulk metallicity (heavy-element mass fraction) — a stellar abundance reference used to contextualise host-star properties.
     source: Asplund et al. 2009, Annual Reviews of Astronomy and Astrophysics 47, 481.
     _role: distractor
 

galaxy_mass_metallicity_sdss__oh/metadata.yaml

@@ -78,27 +78,27 @@ priors:
     value: 10.5
     unit: log(M_sun)
     description: >-
-      Approximate stellar mass at which the Tremonti 2004 MZR flattens (upper calibrated
-      range, log M_* ~ 10.5 M_sun). Sets the physical scale for the saturation knee — a
-      structurally important parameter in any asymptotic MZR formula.
-    source: "Tremonti et al. 2004, Fig. 6 and §5, PDF pp. 7-8; also Andrews & Martini 2013 Table 4 fit range upper bound."
+      Approximate stellar mass at which the gas-phase mass-metallicity relation flattens
+      (upper calibrated range, log M_* ~ 10.5 M_sun). Sets the physical scale for the
+      saturation knee — a structurally important candidate for the turnover mass scale.
+    source: "Empirical fit range upper bound from SDSS star-forming galaxy samples."
     _role: candidate
   - name: MZR_intrinsic_scatter
     value: 0.1
     unit: dex
     description: >-
-      Typical 1-sigma intrinsic scatter around the SDSS mass-metallicity relation (not
-      consumed by any shipped formula; reflects the irreducible astrophysical scatter
-      from star-formation history variation at fixed stellar mass).
-    source: "Tremonti et al. 2004 §5 PDF p. 7; Mannucci et al. 2010 §3 PDF p. 4."
+      Typical 1-sigma intrinsic scatter around the SDSS mass-metallicity relation
+      (reflects the irreducible astrophysical scatter from star-formation history
+      variation at fixed stellar mass).
+    source: "Standard value reported for SDSS star-forming galaxy samples."
     _role: distractor
   - name: mannucci_FMR_scatter
     value: 0.05
     unit: dex
     description: >-
-      Residual 1-sigma scatter around the Fundamental Metallicity Relation (Mannucci 2010
-      FMR). Approximately half the MZR scatter; not consumed by any shipped formula.
-    source: "Mannucci et al. 2010, §4 PDF p. 5."
+      Residual 1-sigma scatter around the star-formation-rate-dependent fundamental
+      metallicity relation. Approximately half the mass-metallicity-relation scatter.
+    source: "Standard value reported for SDSS star-forming galaxy samples."
     _role: distractor
 
 # Sanity-gate note (post RE-SPLIT 2026-05-29): with the representative split this is a

galaxy_stellar_mass_sdss__log_M_star/metadata.yaml

@@ -185,7 +185,7 @@ priors:
     unit: mag
     description: >-
       g-band AB solar absolute magnitude (Willmer 2018 Table 3). Used in g-band or
-      g-r colour based M/L estimates; not consumed by the shipped i-band formulas.
+      g-r colour based mass-to-light estimates.
     source: "Willmer 2018, ApJS 236 47, Table 3."
     _role: distractor
   - name: solar_r_AB
@@ -193,7 +193,7 @@ priors:
     unit: mag
     description: >-
       r-band AB solar absolute magnitude (Willmer 2018 Table 3). Relevant for r-band
-      M/L calibrations; not consumed by the shipped i-band formulas.
+      mass-to-light calibrations.
     source: "Willmer 2018, ApJS 236 47, Table 3."
     _role: distractor
   - name: imf_offset_salpeter_to_kroupa
@@ -201,8 +201,6 @@ priors:
     unit: dex
     description: >-
       Logarithmic stellar-mass offset to convert diet-Salpeter IMF masses to
-      Kroupa/Kennicutt IMF masses. Bell 2003 Table A7 note: "subtract 0.15 dex for
-      Kennicutt or Kroupa IMF". Not consumed by any formula's LAW or OTHER constants
-      (the formulas are shipped with their original IMF without this correction).
-    source: "Bell et al. 2003, Table A7 note, PDF p. 22."
+      Kroupa/Kennicutt IMF masses (subtract ~0.15 dex for a Kennicutt or Kroupa IMF).
+    source: "Standard initial-mass-function conversion offset."
     _role: distractor

geomagnetic_storm_dst__dDst_dt/metadata.yaml

@@ -138,9 +138,7 @@ priors:
     unit: km/s
     description: >-
       Typical quiet-time solar wind bulk speed at 1 AU (~400 km/s).
-      Characterises the solar wind environment but does NOT appear in the
-      dDst/dt formula; the Dst model depends on the electric field Ey
-      and dynamic pressure, not V_sw directly.
+      Characterises the solar wind environment.
     source: "Schwenn 2006 Living Rev. Sol. Phys. 3:2 (community reference value)"
     _role: distractor
   - name: Earth_magnetic_dipole_moment_A_m2
@@ -149,8 +147,7 @@ priors:
     description: >-
       Earth's geomagnetic dipole moment (~8e22 A·m²). Provides the geomagnetic
       context (ring-current injection scales with the magnetopause standoff
-      distance which depends on the dipole moment), but does NOT appear in the
-      Burton/O'Brien dDst/dt formula.
+      distance which depends on the dipole moment).
     source: "Finlay et al. 2010, Geophys. J. Int. 183:1216 (IGRF-11 reference value)"
     _role: distractor
   - name: proton_charge_C
@@ -158,9 +155,7 @@ priors:
     unit: C
     description: >-
       CODATA 2018 exact value of the elementary (proton) charge. Enters plasma
-      physics formulas for solar-wind pressure and particle energy, but does NOT
-      appear in the empirical dDst/dt models (Burton 1975, O'Brien 2000,
-      Markidis 2025).
+      physics formulas for solar-wind pressure and particle energy.
     source: "CODATA 2018 (SI defining constant, exact)"
     _role: distractor
   - name: kp_index_quiet
@@ -169,8 +164,7 @@ priors:
     description: >-
       Reference Kp value for geomagnetically quiet conditions (Kp ≤ 1).
       Kp is a different geomagnetic activity index (planetary K-index,
-      3-hourly, 0-9 scale); it is NOT used in the Dst dDst/dt formula,
-      which is driven by solar-wind Ey and P_dyn instead.
+      3-hourly, 0-9 scale).
     source: "Menvielle & Berthelier 1991 Rev. Geophys. 29:415 (Kp index definition)"
     _role: distractor
 

gravity_wgs84_somigliana__g0/metadata.yaml

@@ -57,32 +57,32 @@ priors:
   - name: g_standard
     value: 9.80665
     unit: m/s^2
-    description: Standard acceleration of gravity (conventional standard adopted by BIPM/CGPM). Represents the average global sea-level gravity; numerically distinct from gamma_e (equatorial normal gravity 9.7803... m/s^2) and gamma_p (polar normal gravity 9.8322... m/s^2). Not consumed by the Somigliana formula directly.
+    description: Standard acceleration of gravity (conventional standard adopted by BIPM/CGPM). Represents the average global sea-level gravity. A candidate value for a gravitational-acceleration scale constant.
     source: BIPM / CGPM Resolution (1901); NIST Reference on Constants, CODATA 2018 (physics.nist.gov/cuu/Constants/); numerical value defined exactly as 9.80665 m/s^2.
     _role: candidate
   - name: omega_earth_WGS84
     value: 7.292115e-5
     unit: rad/s
-    description: Angular velocity of the Earth's rotation, one of the four WGS84 defining parameters. Used to derive gamma_e, k, and the Somigliana constants from first principles, but does not appear explicitly in the closed Somigliana Eq. (4-1) form.
-    source: NIMA TR8350.2, Table 3.1 "WGS 84 Defining Parameters", PDF p. 34 (value 7.292115 × 10^-5 rad/s).
+    description: Angular velocity of the Earth's rotation, one of the four WGS84 defining parameters.
+    source: WGS84 defining-parameter set (value 7.292115 × 10^-5 rad/s).
     _role: candidate
   - name: a_WGS84
     value: 6378137.0
     unit: m
-    description: Semi-major axis of the WGS84 reference ellipsoid — the equatorial radius. One of the four WGS84 defining parameters; does not appear explicitly in the closed Somigliana Eq. (4-1) but is used to derive e2 and gamma_e.
-    source: NIMA TR8350.2, Table 3.1 "WGS 84 Defining Parameters", PDF p. 34.
+    description: Semi-major axis of the WGS84 reference ellipsoid — the equatorial radius. One of the four WGS84 defining parameters.
+    source: WGS84 defining-parameter set.
     _role: candidate
   - name: gamma_p
     value: 9.8321849378
     unit: m/s^2
-    description: Theoretical normal gravity at the WGS84 poles on the ellipsoid surface. Not directly in Eq. (4-1); used to derive k = b*gamma_p/(a*gamma_e) - 1.
-    source: NIMA TR8350.2, Table 3.4, PDF p. 40. Not in the closed Somigliana Eq. (4-1).
+    description: Theoretical normal gravity at the WGS84 poles on the ellipsoid surface.
+    source: WGS84 derived-constant set.
     _role: distractor
   - name: m_somigliana
     value: 0.00344978650684
     unit: dimensionless
-    description: WGS84 constant m = omega^2 * a^2 * b / GM, appearing in geodetic derivations. Not in the closed Somigliana Eq. (4-1).
-    source: NIMA TR8350.2, Table 3.4, PDF p. 40. Not in the closed Somigliana Eq. (4-1).
+    description: WGS84 constant m = omega^2 * a^2 * b / GM, appearing in geodetic derivations.
+    source: WGS84 derived-constant set.
     _role: distractor
 
 # Reference-baseline bank

gutenberg_richter_b_value_usgs__gr_freq_mag/metadata.yaml

@@ -56,8 +56,8 @@ priors:
   - name: log10_e
     value: 0.4343
     unit: ""
-    description: log10(e) — the base-10 logarithm of Euler's number; appears in the MLE b estimator (Aki 1965 p. 1-2; Page 1968 Eq. 3 p. 12).
-    source: Aki (1965) MLE derivation, PDF p. 1-2; Page (1968) Eq. 3, PDF p. 12.
+    description: log10(e) — the base-10 logarithm of Euler's number.
+    source: Mathematical constant.
     _role: candidate
 
 # Reference-baseline bank

hea_hardness_lattice_distortion_couzinie__HV/metadata.yaml

@@ -75,21 +75,19 @@ priors:
     value: 0.7
     unit: ""
     description: >-
-      Proportionality constant in Temesi 2024 Eq. 24 solid-solution hardening
-      formula HV = 60 + K*G*delta^(4/3), fitted empirically over 106 HEAs when
-      G is in GPa and HV in kgf/mm². This is from a DIFFERENT formula (Temesi 2024,
-      not the Temesi 2023 Eq. 12 baseline in this task).
-    source: "Temesi et al. 2024, Materials 17:2728, Eq. 24, PDF p. 12"
+      A candidate proportionality constant for a solid-solution hardening
+      contribution, fitted empirically over a high-entropy-alloy dataset when
+      shear modulus is in GPa and hardness in kgf/mm².
+    source: "Solid-solution hardening literature for high-entropy alloys."
     _role: distractor
   - name: "HV_base"
     value: 60.0
     unit: "kgf/mm²"
     description: >-
-      Baseline hardness term in Temesi 2024 Eq. 24; represents the rule-of-
-      mixture constituent hardness floor, empirically 60 ± 20 kgf/mm² for the
-      106-alloy dataset. From a DIFFERENT formula than the Temesi 2023 Eq. 12
-      baseline shipped here.
-    source: "Temesi et al. 2024, Materials 17:2728, Eq. 24, PDF p. 12 (text lines 2745-2748)"
+      A candidate baseline hardness term representing a rule-of-mixture
+      constituent hardness floor, empirically 60 ± 20 kgf/mm² for a
+      high-entropy-alloy dataset.
+    source: "Solid-solution hardening literature for high-entropy alloys."
     _role: distractor
   - name: "VEC_BCC_threshold"
     value: 6.87
@@ -98,7 +96,7 @@ priors:
       Critical VEC below which BCC structure is preferred in high-entropy alloys,
       empirically established from the Guo et al. (2011) structural-stability
       criterion for multi-component alloys. VEC < 6.87 favours BCC; VEC > 8 favours
-      FCC. Not used in the Temesi 2023 linear regression baseline.
+      FCC.
     source: "Guo S et al. (2011) J. Appl. Phys. 109:103505, Table 2 — BCC/FCC boundary criterion."
     _role: distractor
   - name: "n_SSH_Labusch"
@@ -107,8 +105,7 @@ priors:
     description: >-
       Labusch-model solid-solution hardening exponent (2/3) for the concentration
       dependence of yield stress in dilute alloys: Δσ ∝ c^(2/3). In HEA literature
-      this exponent is sometimes replaced by 0.5 (Fleischer model). Not used in
-      the Temesi 2023 multi-linear regression formula.
+      this exponent is sometimes replaced by 0.5 (Fleischer model).
     source: "Labusch R (1970) Phys. Status Solidi 41:659-669; see also Varvenne et al. (2016) Acta Mater. 124:660."
     _role: distractor
 

her_hor_pt_acid_kucernak__current_density/metadata.yaml

@@ -78,31 +78,31 @@ priors:
   - name: faraday_constant
     value: 96485.0
     unit: C mol-1
-    description: Faraday constant F — charge per mole of electrons; sets f = F/(R*T) and the current prefactor.
-    source: NIST CODATA 2018; Kucernak & Zalitis (2016) PDF p. 28.
+    description: Faraday constant F — charge per mole of electrons.
+    source: NIST CODATA 2018.
     _role: candidate
   - name: gas_constant
     value: 8.314
     unit: J mol-1 K-1
-    description: Molar gas constant R — appears in the thermal voltage f = F/(R*T) and the Arrhenius factor exp(-Ea/R*(1/T-1/T_ref)).
-    source: NIST CODATA 2018; Kucernak & Zalitis (2016) PDF p. 28.
+    description: Molar gas constant R.
+    source: NIST CODATA 2018.
     _role: candidate
   - name: ref_temperature
     value: 298.15
     unit: K
-    description: Reference temperature T_ref in the Arrhenius temperature scaling (Eq 71); 25 °C standard.
-    source: Kucernak & Zalitis (2016) Eq 71, PDF p. 27.
+    description: Reference temperature T_ref; 25 °C standard.
+    source: Standard reference temperature (25 °C).
     _role: candidate
   - name: elementary_charge
     value: 1.602176634e-19
     unit: C
-    description: Elementary charge e — a fundamental constant (F = N_A·e) but not used directly by the rate expression.
+    description: Elementary charge e — a fundamental constant (F = N_A·e).
     source: NIST CODATA 2018.
     _role: distractor
   - name: avogadro_constant
     value: 6.02214076e23
     unit: mol-1
-    description: Avogadro constant N_A — fundamental constant (F = N_A·e) but not used directly by the rate expression.
+    description: Avogadro constant N_A — fundamental constant (F = N_A·e).
     source: NIST CODATA 2018.
     _role: distractor
 

life_expectancy_preston__e0_vs_gdppc/metadata.yaml

@@ -15,9 +15,8 @@ target:
   unit: years
   description: >-
     Sex-averaged life expectancy at birth, computed as the unweighted
-    mean of male and female life expectancies at birth. Source: Preston
-    (1975) Appendix A, Tables A-1/A-2/A-3, hand-transcribed from the
-    original UN Demographic Yearbook figures.
+    mean of male and female life expectancies at birth. Hand-transcribed
+    from the original UN Demographic Yearbook figures.
   range:
     train: [31.6, 74.225]
     test:  [36.75, 72.805]
@@ -29,8 +28,8 @@ inputs:
     dtype: float
     description: >-
       National income per head, expressed in constant 1963 US dollars.
-      Source: Preston (1975) Appendix A (national income figures from
-      UN Statistical Yearbook and Kuznets 1956).
+      National income figures from the UN Statistical Yearbook and
+      Kuznets 1956.
     range:
       train: [44, 2995]
       test:  [40, 1987]
@@ -61,31 +60,27 @@ priors:
     value: 71.5
     unit: years
     description: >-
-      Practical upper asymptote of the Preston logistic curve for the 1960s
-      cross-section (the biologically achievable ceiling of e0 through income
-      gains alone in that decade), as reported in the abridged 2007 IJE reprint
-      of Preston (1975), PDF p. 3. Domain hint only — the logistic baseline's
-      asymptote is fitted (kappa ~ 72.7), not fixed to this value.
-    source: Preston 1975, abridged IJE reprint, PDF p. 3
+      Practical upper asymptote of life expectancy for the 1960s cross-section
+      (the biologically achievable ceiling of e0 through income gains alone in
+      that decade). A candidate value for an upper-ceiling role.
+    source: Published demographic literature for the 1960s cross-section.
     _role: candidate
   - name: kappa_1930s
     value: 66.8
     unit: years
     description: >-
-      Practical upper asymptote of the Preston logistic curve for the 1930s
-      cross-section, PDF p. 3. A real published value but for the wrong decade
-      (this task is the 1960s cross-section) — a plausible-but-incorrect
-      distractor for the 1960s ceiling.
-    source: Preston 1975, abridged IJE reprint, PDF p. 3
+      Practical upper asymptote of life expectancy for the 1930s cross-section.
+      A real published value but for a different decade than this 1960s
+      cross-section.
+    source: Published demographic literature for the 1930s cross-section.
     _role: distractor
   - name: r_log_linear_1960s
     value: 0.880
     unit: ""
     description: >-
-      Pearson correlation between e0 and log(Y) for the 1960s cross-section.
-      Reported in the abridged 2007 IJE reprint of Preston (1975), PDF p. 2.
-      A goodness-of-fit summary statistic, not a usable formula coefficient.
-    source: Preston 1975, abridged IJE reprint, PDF p. 2
+      A published goodness-of-fit summary statistic (Pearson correlation
+      coefficient) for the 1960s cross-section.
+    source: Published demographic literature for the 1960s cross-section.
     _role: distractor
 
 references:

liion_capacity_fade_nasa_pcoe__capacity_Ah/metadata.yaml

@@ -48,19 +48,19 @@ priors:
     value: 0.5
     unit: dimensionless
     description: Parabolic growth exponent for diffusion-limited film thickness.
-    source: Standard kinetic-theory result (Tammann 1920, Wagner 1933) — diffusion-limited growth of an oxide / SEI layer scales as sqrt(t) because the rate-limiting step is diffusion through an increasingly thick layer.  A candidate value for the cycle-fade exponent in the Pinson form (Q ~ Q0 - α·k^0.5).
+    source: Standard kinetic-theory result (Tammann 1920, Wagner 1933) — diffusion-limited growth of an oxide / SEI layer scales as sqrt(t) because the rate-limiting step is diffusion through an increasingly thick layer.  A candidate value for a cycle-fade exponent.
     _role: candidate
   - name: standard_li_18650_nominal_capacity
     value: 2.0
     unit: Ah
     description: Nominal capacity of a typical Li-ion 18650 cell.
-    source: NASA PCoE B0005-B0007 cell datasheets; the manufacturer-rated capacity for these specific 18650 cells.  A candidate value for the Q0 initial-capacity constant.
+    source: NASA PCoE B0005-B0007 cell datasheets; the manufacturer-rated capacity for these specific 18650 cells.  A candidate value for an initial-capacity constant.
     _role: candidate
   - name: lead_acid_capacity_fade_rate_typical
     value: 0.005
     unit: Ah/cycle
     description: A typical linear capacity-fade rate for lead-acid batteries.
-    source: Wrong chemistry — lead-acid batteries fade approximately linearly with cycles, fundamentally different from Li-ion's sqrt-time SEI mechanism.  A distractor.
+    source: A different battery chemistry — lead-acid batteries fade approximately linearly with cycles.
     _role: distractor
 
 # === Reference baselines ===

liquid_dispersion_glycols__refractive_index/metadata.yaml

@@ -74,7 +74,7 @@ priors:
   - name: reference_temperature_sellmeier
     value: 20.0
     unit: degC
-    description: Reference temperature at which the Sellmeier dispersion fit is defined.
+    description: Reference temperature at which the dispersion fit is defined.
     source: Jakubczyk et al. 2023, experimental protocol description, PDF p. 3.
     _role: candidate
   - name: nm_per_um_conversion

lpbf_meltpool_rosenthal_inconel__depth/metadata.yaml

@@ -96,13 +96,13 @@ priors:
   - name: euler_number
     value: 2.71828182845904523536
     unit: dimensionless
-    description: Euler's number e — universal mathematical constant appearing as a structural prefactor in the Rosenthal melt-pool width formula (Eq. 6 of Promoppatum 2017). This is NOT an alloy-specific fit coefficient; it is the base of the natural logarithm, fixed by mathematics.
-    source: Mathematical constant; implicit in Promoppatum 2017 Eq. 6 (PDF p. 4) and standard heat-conduction point-source theory.
+    description: Euler's number e — universal mathematical constant. This is NOT an alloy-specific fit coefficient; it is the base of the natural logarithm, fixed by mathematics.
+    source: Mathematical constant; standard heat-conduction point-source theory.
     _role: candidate
   - name: Tm_iron_K
     value: 1811.0
     unit: K
-    description: Melting point of pure iron — a reference scale for iron-based alloys; not used in the shipped conduction model.
+    description: Melting point of pure iron — a reference scale for iron-based alloys.
     source: NIST WebBook / CODATA standard value for pure Fe.
     _role: distractor
   - name: thermal_diff_water_m2_s
@@ -114,7 +114,7 @@ priors:
   - name: stefan_boltzmann_W_m2_K4
     value: 5.670374419e-8
     unit: W/(m^2 K^4)
-    description: Stefan-Boltzmann radiation constant sigma — relevant to radiative heat loss at high temperatures; not included in the Rosenthal conduction-dominant model.
+    description: Stefan-Boltzmann radiation constant sigma — relevant to radiative heat loss at high temperatures.
     source: CODATA 2018; exact value in SI.
     _role: distractor
 

magnet_3c90_core_loss__log_P_vol/metadata.yaml

@@ -59,20 +59,20 @@ priors:
   - name: bertotti_hysteresis_exponent
     value: 2.0
     unit: dimensionless
-    description: Geometric B-exponent in Bertotti's hysteresis-loss term (∝ f·B²).
-    source: Bertotti (1988) loss-separation theorem — derived from the geometry of B-H loop area integration assuming a fixed loop shape.  A candidate value for the BETA exponent; the empirical Steinmetz fit for 3C90 finds BETA ~ 2.42, above the geometric 2.0.
+    description: Geometric B-exponent expected from a fixed-shape hysteresis loop.
+    source: Derived from the geometry of B-H loop area integration assuming a fixed loop shape.  A candidate value for the BETA exponent.
     _role: candidate
   - name: steinmetz_frequency_exponent_typical_ferrite
     value: 1.6
     unit: dimensionless
-    description: A typical Steinmetz alpha for a soft NiZn or MnZn ferrite in the kHz-MHz band.
-    source: Power-electronics textbook value (e.g. Kazimierczuk "High-Frequency Magnetic Components" Table 13.4).  A candidate value for the ALPHA exponent; the 3C90 fit gives ALPHA ~ 1.72.
+    description: A typical frequency exponent for a soft NiZn or MnZn ferrite in the kHz-MHz band.
+    source: Power-electronics textbook value.  A candidate value for the ALPHA exponent.
     _role: candidate
   - name: copper_resistivity_room_temperature
     value: 1.68e-08
     unit: ohm·m
     description: Electrical resistivity of pure copper at 25°C.
-    source: NIST handbook.  Domain-adjacent (relevant to winding losses, not core losses) — not used by either core-loss baseline.  A distractor.
+    source: NIST handbook.  Domain-adjacent (relevant to winding losses, not core losses).
     _role: distractor
 
 # === Reference baselines ===

mars_crater_size_frequency__N_cum/metadata.yaml

@@ -22,21 +22,21 @@ inputs:
   - name: D_lower_km
     symbol: D_lo
     unit: km
-    description: Lower diameter edge of the logarithmic bin (km).  PRIMARY input — the cumulative SFD closed form N(>=D) is a function of this threshold diameter alone; all three reference baselines use this input only.
+    description: Lower diameter edge of the logarithmic bin (km).  The threshold diameter at which the cumulative count is evaluated.
     range:
       train: [1, 117.377]
       test:  [128, 663.982]
   - name: D_upper_km
     symbol: D_up
     unit: km
-    description: Upper diameter edge of the bin (= D_lower * 2^0.125).  DISTRACTOR — perfectly collinear with D_lower (their ratio is the fixed bin factor 2^0.125 ≈ 1.0905), so it carries no information beyond D_lower.  No reference baseline uses it.
+    description: Upper diameter edge of the bin (= D_lower * 2^0.125).  Perfectly collinear with D_lower (their ratio is the fixed bin factor 2^0.125 ≈ 1.0905), so it carries no information beyond D_lower.
     range:
       train: [1.09051, 128]
       test:  [139.585, 724.077]
   - name: D_geomean_km
     symbol: D_gm
     unit: km
-    description: Geometric-mean diameter of the bin, sqrt(D_lower * D_upper).  DISTRACTOR — also collinear with D_lower (= D_lower * 2^0.0625).  The natural representative point of a log-spaced bin, but it adds no information for the cumulative target.  No reference baseline uses it.
+    description: Geometric-mean diameter of the bin, sqrt(D_lower * D_upper).  Also collinear with D_lower (= D_lower * 2^0.0625).  The natural representative point of a log-spaced bin, but it adds no information for the cumulative target.
     range:
       train: [1.04427, 122.573]
       test:  [133.667, 693.379]
@@ -77,26 +77,26 @@ priors:
   - name: neukum_npf_slope_at_1km
     value: -1.8
     unit: dimensionless
-    description: Approximate cumulative-SFD slope near D = 1 km on the Neukum production function; a candidate value for the small-crater power-law exponent.
-    source: Neukum 2001 SSR 96:55, Fig. 3 — the NPF slope near D = 1 km is roughly -1.8 to -2.0.  A candidate for the low-D segment slope.
+    description: Approximate cumulative-SFD slope near D = 1 km; a candidate value for the small-crater power-law exponent.
+    source: Published planetary-science value — the cumulative-SFD slope near D = 1 km is roughly -1.8 to -2.0.  A candidate exponent for the small-crater regime.
     _role: candidate
   - name: large_crater_branch_slope
     value: -2.6
     unit: dimensionless
-    description: Approximate cumulative-SFD slope in the large-crater / basin branch (D > 30 km); a candidate value for the steep high-D exponent.
-    source: Hartmann & Neukum 2001 SSR 96:165, Fig. 2 — the SFD steepens to slope ~ -2.5 to -3 in the large-crater regime.  A candidate for the high-D segment slope.
+    description: Approximate cumulative-SFD slope in the large-crater / basin regime (D > 30 km); a candidate value for the steep large-crater exponent.
+    source: Published planetary-science value — the SFD steepens to slope ~ -2.5 to -3 in the large-crater regime.  A candidate exponent for the large-crater regime.
     _role: candidate
   - name: simple_to_complex_transition_diameter
     value: 7.0
     unit: km
-    description: Diameter of the simple-to-complex crater morphology transition on Mars; a candidate value for an SFD break diameter.
-    source: Ivanov 2001 SSR 96:87, p. 7, Eq. 4 — Mars simple-to-complex transition D* ~ 7 km.  A candidate break-point location (the empirically-fitted SFD-slope break lands lower, near D ~ 2 km).
+    description: Diameter of the simple-to-complex crater morphology transition on Mars; a candidate diameter scale.
+    source: Published planetary-science value — Mars simple-to-complex transition D* ~ 7 km.  A candidate diameter scale.
     _role: candidate
   - name: mars_surface_area_km2
     value: 144798500.0
     unit: km^2
     description: Total surface area of Mars, used to convert crater counts to areal densities.
-    source: NASA Mars Fact Sheet.  Used in data preparation (N_cum = count / area); a DISTRACTOR for the SFD-shape formula, which is independent of the absolute area normalisation.
+    source: NASA Mars Fact Sheet.  Used in data preparation (N_cum = count / area).
     _role: distractor
 
 # === Reference baselines ===

materials_project_elastic_birch_murnaghan__K_VRH/metadata.yaml

@@ -77,26 +77,26 @@ priors:
   - name: cohen_bulk_exponent
     value: -1.1667
     unit: dimensionless
-    description: Volume exponent in Cohen's (1985) bulk modulus scaling law for covalent solids. K scales as V_atomic^(-3.5/3) because bond length d is proportional to V_atomic^(1/3) and Cohen's formula gives K proportional to d^(-3.5).
-    source: Cohen, Phys. Rev. B 32:7988 (1985); documented in reference/summary_birch_murnaghan_kvrh.md §3.
+    description: A candidate volume exponent for a bulk-modulus-versus-atomic-volume scaling of covalent solids.
+    source: Published solid-state-physics value for a covalent-solid bulk-modulus scaling.
     _role: candidate
   - name: anderson_nafe_exponent
     value: -1.3333
     unit: dimensionless
-    description: Slope in the Anderson-Nafe log-linear relation log10(K) = a - (4/3)*log10(V_atomic) for oxide isoelectronic families.
-    source: Anderson & Nafe, J. Geophys. Res. 70:3951 (1965); documented in reference/summary_birch_murnaghan_kvrh.md §4.
+    description: A candidate slope for a log-linear bulk-modulus-versus-atomic-volume relation of oxide isoelectronic families.
+    source: Published geophysics value for an oxide bulk-modulus log-volume relation.
     _role: candidate
   - name: birch_murnaghan_exponent_73
     value: 2.3333
     unit: dimensionless
-    description: 7/3 exponent in the Birch-Murnaghan third-order finite-strain equation of state P(V). Appears in the leading term (V0/V)^(7/3).
-    source: Birch, Phys. Rev. 71:809 (1947). Supporting context for the task name; not used by any baseline here.
+    description: 7/3 exponent appearing in a third-order finite-strain equation of state.
+    source: Standard finite-strain equation-of-state theory.
     _role: distractor
   - name: murnaghan_k0prime_typical
     value: 4.0
     unit: dimensionless
-    description: Typical value of K0-prime (pressure derivative of bulk modulus at zero pressure) for many ionic and covalent solids, used in the Murnaghan and Birch-Murnaghan equations of state.
-    source: Murnaghan 1944, PNAS 30:244; Birch 1947. Not a coefficient in any baseline here.
+    description: Typical value of K0-prime (pressure derivative of bulk modulus at zero pressure) for many ionic and covalent solids, used in equation-of-state fits.
+    source: Standard equation-of-state literature value.
     _role: distractor
 
 references:

mauna_loa_co2_keeling_curve_noaa__co2_ppm/metadata.yaml

@@ -22,39 +22,39 @@ inputs:
   - name: year_decimal
     symbol: t
     unit: yr
-    description: Decimal year of the monthly observation, equal to the midpoint of the calendar month in NOAA's convention (e.g. 1958.2027 for 1958-03).  The single physical predictor used by all three reference baselines.
+    description: Decimal year of the monthly observation, equal to the midpoint of the calendar month in NOAA's convention (e.g. 1958.2027 for 1958-03).  The continuous time predictor.
     range:
       train: [1958.2, 2019.96]
       test:  [2020.04, 2026.29]
   - name: year
     symbol: Y
-    description: Integer calendar year — redundant with int(year_decimal).  Distractor input; not used by any reference baseline.
+    description: Integer calendar year — redundant with int(year_decimal).
     range:
       train: [1958, 2019]
       test:  [2020, 2026]
   - name: month
     symbol: m
-    description: Integer calendar month (1=January..12=December) — redundant with the fractional part of year_decimal.  Distractor input; not used by any reference baseline.
+    description: Integer calendar month (1=January..12=December) — redundant with the fractional part of year_decimal.
     range:
       train: [1, 12]
       test:  [1, 12]
   - name: ndays
     symbol: nd
-    description: Number of daily measurements contributing to the monthly mean (1-31), or -1 sentinel for the pre-NOAA SIO-era rows where this count is not available.  Measurement-quality flag (not a physical CO2 predictor); distractor input.
+    description: Number of daily measurements contributing to the monthly mean (1-31), or -1 sentinel for the pre-NOAA SIO-era rows where this count is not available.  Measurement-quality flag (not a physical CO2 predictor).
     range:
       train: [-1, 31]
       test:  [17, 31]
   - name: sdev
     symbol: σ_d
     unit: ppm
-    description: Within-month standard deviation of daily mean CO2 (~0.1-1.3 ppm), or -9.99 sentinel for the pre-NOAA SIO-era rows where this is not available.  Measurement-quality flag; distractor input.
+    description: Within-month standard deviation of daily mean CO2 (~0.1-1.3 ppm), or -9.99 sentinel for the pre-NOAA SIO-era rows where this is not available.  Measurement-quality flag.
     range:
       train: [-9.99, 1.31]
       test:  [0.22, 1.24]
   - name: unc
     symbol: u
     unit: ppm
-    description: NOAA's combined uncertainty estimate on the monthly mean (~0.1-0.6 ppm), or -0.99 sentinel for the pre-NOAA SIO-era rows.  Measurement-quality flag; distractor input.
+    description: NOAA's combined uncertainty estimate on the monthly mean (~0.1-0.6 ppm), or -0.99 sentinel for the pre-NOAA SIO-era rows.  Measurement-quality flag.
     range:
       train: [-0.99, 0.58]
       test:  [0.08, 0.51]
@@ -81,13 +81,13 @@ priors:
     value: 3.0
     unit: ppm
     description: Mauna Loa first-harmonic seasonal-cycle peak-to-peak amplitude.
-    source: Keeling 2001 SIO Ref 01-06 §3 (Fig. 5; PDF on disk) — empirical first-harmonic amplitude at Mauna Loa.  A candidate value for √(α₁² + β₁²) in the NOAA curve-fit rung.
+    source: Published empirical first-harmonic seasonal-cycle amplitude at Mauna Loa.  A candidate value for the seasonal-cycle amplitude.
     _role: candidate
   - name: ipcc_ar6_co2_radiative_efficiency
     value: 1.37e-5
     unit: W/m^2/ppm
     description: IPCC AR6 stratospherically-adjusted radiative forcing efficiency of CO2.
-    source: IPCC AR6 WG1 Table 7.8 (Forster et al. 2021).  Domain-adjacent (climate sensitivity) but not used by either Keeling-curve baseline; the curve-fit forms operate on ppm directly without converting to forcing.  A distractor.
+    source: IPCC AR6 WG1 Table 7.8 (Forster et al. 2021).  Domain-adjacent (climate sensitivity); operates on radiative forcing rather than ppm directly.
     _role: distractor
 
 # === Reference baselines ===

metabolic_scaling_anage__log_bmr_W/metadata.yaml

@@ -47,20 +47,20 @@ priors:
   - name: kleiber_exponent_three_quarters
     value: 0.75
     unit: dimensionless
-    description: Kleiber's universal 3/4-power scaling exponent.
-    source: Kleiber (1932) paginated p. 320 — empirical fit across 13 mammalian species groups; subsequently derived from fractal-network theory by West, Brown & Enquist (1997).  A candidate — the v2 reference baseline `kleiber_1932` uses this as B_EXPONENT.
+    description: A 3/4-power metabolic scaling exponent.
+    source: Classic empirical fit across mammalian species groups; subsequently derived from fractal-network theory.  A candidate value for a metabolic-mass scaling exponent.
     _role: candidate
   - name: rubner_surface_exponent_two_thirds
     value: 0.6667
     unit: dimensionless
-    description: Rubner's surface-area scaling exponent.
-    source: Rubner (1883) surface law — BMR ∝ body surface area ∝ M^(2/3) for geometrically similar animals.  A candidate — the v2 reference baseline `rubner_1883` uses this as B_EXPONENT.
+    description: A 2/3-power surface-area scaling exponent.
+    source: Classic surface-area scaling argument for geometrically similar animals.  A candidate value for a metabolic-mass scaling exponent.
     _role: candidate
   - name: stefan_boltzmann_radiation_constant
     value: 5.67e-8
     unit: W / (m^2 K^4)
     description: Stefan-Boltzmann constant for blackbody radiation.
-    source: Universal physics constant; radiation-based heat transfer relates to body surface but the relevant scaling here is metabolic generation, not blackbody emission.  A distractor.
+    source: Universal physics constant; radiation-based heat transfer relates to body surface but the relevant scaling here is metabolic generation, not blackbody emission.
     _role: distractor
 
 # === Reference baselines ===

mincer_earnings_acs_pums__log_wage/metadata.yaml

@@ -65,13 +65,13 @@ priors:
   - name: experience_linear_1990
     value: 0.1301
     unit: per year
-    description: Linear-experience coefficient (beta_0) from OLS on 1990 Census white men.
+    description: An experience-related earnings coefficient from OLS on 1990 Census white men.
     source: "Heckman, Lochner & Todd (2005), Table 2, PDF p. 156."
     _role: distractor
   - name: experience_squared_1990
     value: -0.0023
     unit: per year squared
-    description: Quadratic-experience coefficient (beta_1) from OLS on 1990 Census white men.
+    description: An experience-related earnings coefficient from OLS on 1990 Census white men.
     source: "Heckman, Lochner & Todd (2005), Table 2, PDF p. 156."
     _role: distractor
   - name: schooling_return_1960

neo_size_frequency_distribution__N_cum_H/metadata.yaml

@@ -22,7 +22,7 @@ inputs:
   - name: H_upper
     symbol: H
     unit: mag
-    description: Upper edge of the absolute-magnitude bin (mag).  The single SR feature — the cumulative SFD N(<H) is a function of this magnitude threshold alone.  Restricted to the complete regime.
+    description: Upper edge of the absolute-magnitude bin (mag).  The magnitude threshold at which the cumulative count is evaluated.  Restricted to the complete regime.
     range:
       train: [12.0625, 18]
       test:  [13.875, 17.5625]
@@ -56,14 +56,14 @@ priors:
   - name: dohnanyi_magnitude_slope
     value: 0.5
     unit: dimensionless
-    description: Collisional-equilibrium cumulative magnitude slope (dN/dD ∝ D^-3.5 → N(<H) ∝ 10^(0.5 H)); a candidate for the SFD exponent.
-    source: Dohnanyi 1969 JGR 74:2531; O'Brien & Greenberg 2003.  The observed NEO slope ~0.49 in this window is close to this equilibrium value.
+    description: Collisional-equilibrium cumulative magnitude slope; a candidate value for the SFD exponent.
+    source: Classic collisional-equilibrium theory of small-body populations.  A candidate value for the SFD magnitude slope.
     _role: candidate
   - name: bottke_2002_break_diameter
     value: 100.0
     unit: m
-    description: Approximate diameter (~H 22) where the Bottke 2002 debiased NEO SFD shows a slope change / "bump"; a candidate break location.
-    source: Bottke et al. 2002 Icarus 156:399.  This break is FAINTER than the H<18 window of this task (a distractor here; the window is single-slope).
+    description: Approximate diameter (~H 22) where the debiased NEO SFD shows a slope change / "bump"; a candidate diameter scale.
+    source: Published debiased NEO size-distribution literature.  This feature is FAINTER than the H<18 window of this task.
     _role: distractor
   - name: spaceguard_completeness_H
     value: 17.75

nuclear_binding_energy_ame2020__BE_per_A/metadata.yaml

@@ -125,31 +125,31 @@ priors:
     value: 1.4399764
     unit: MeV*fm
     description: Coulomb coupling e^2 — electrostatic energy of two unit charges 1 fm apart.
-    source: CODATA; used in the Coulomb terms of Weizsäcker 1935 and Möller 1995.
+    source: CODATA; appears in the electrostatic energy of nuclear mass models.
     _role: candidate
   - name: r0_nuclear_radius
     value: 1.16
     unit: fm
     description: Nuclear-radius constant in R = r0 * A^(1/3).
-    source: Möller-Nix-Myers-Swiatecki 1995 (stated value, 1.16 fm).
+    source: Standard nuclear-physics value (1.16 fm).
     _role: candidate
   - name: magic_number_N126
     value: 126
     unit: dimensionless
     description: A nuclear shell-closure ("magic") nucleon number.
-    source: AME2020 evaluation and the mass-model literature — shell closures at N/Z = 2, 8, 20, 28, 50, 82, 126. (Not used by a pure liquid-drop formula.)
+    source: AME2020 evaluation and the mass-model literature — shell closures at N/Z = 2, 8, 20, 28, 50, 82, 126.
     _role: distractor
   - name: compressibility_const
     value: 60.0
     unit: MeV
     description: Pre-exponential constant of the nuclear-compressibility correction term.
-    source: Möller-Nix-Myers-Swiatecki 1995 constant table. (Not used by the macroscopic spherical-limit formula.)
+    source: Nuclear mass-model constant table.
     _role: distractor
   - name: spin_orbit_strength
     value: 26.4796
     unit: dimensionless
     description: Spin-orbit strength parameter of a Woods-Saxon single-particle potential.
-    source: Wang-Liu-Zhao 2014 WS4 Table I. (Parameterises the shell correction, not the liquid-drop component.)
+    source: Woods-Saxon single-particle potential parameter table.
     _role: distractor
 
 # === v2 anti-dump caps ===

ocean_mesoscale_eddy_closure__Sx/metadata.yaml

@@ -106,25 +106,25 @@ priors:
   - name: w4_zb2020
     value: -6.332e8
     unit: m^2
-    description: ZB2020 RVM weight for the meridional S_y component — the largest-magnitude weight in the full expansion; not used in the S_x formula benchmarked here.
-    source: Zanna & Bolton 2020, PDF p. 6, Eq. (4) and surrounding text
+    description: An empirical eddy-closure weight for the meridional S_y momentum component.
+    source: Published eddy-momentum-closure literature.
     _role: distractor
   - name: beta_Coriolis
     value: 2.0e-11
     unit: m^-1 s^-1
-    description: Meridional gradient of the Coriolis parameter at mid-latitudes (planetary beta-plane approximation). Relevant to geostrophic turbulence scaling but not a coefficient in the ZB2020/Ross eddy-stress closures.
+    description: Meridional gradient of the Coriolis parameter at mid-latitudes (planetary beta-plane approximation). Relevant to geostrophic turbulence scaling.
     source: Standard oceanography reference value; Vallis 2006, Atmospheric and Oceanic Fluid Dynamics.
     _role: distractor
   - name: Rd_baroclinic
     value: 25000.0
     unit: m
-    description: First baroclinic Rossby deformation radius — typical mid-latitude ocean value; sets the scale for baroclinic instability but is not a coefficient in the momentum-flux parameterizations used here.
+    description: First baroclinic Rossby deformation radius — typical mid-latitude ocean value; sets the scale for baroclinic instability.
     source: Standard oceanography reference; Chelton et al. 1998.
     _role: distractor
   - name: rho_seawater_ref
     value: 1025.0
     unit: kg m^-3
-    description: Reference seawater density at surface conditions; used in density-normalized pressure formulations but not in the quasi-geostrophic eddy-stress closures.
+    description: Reference seawater density at surface conditions; used in density-normalized pressure formulations.
     source: UNESCO/TEOS-10 standard reference density.
     _role: distractor
 

parker_spiral_imf__B_phi/metadata.yaml

@@ -94,13 +94,13 @@ priors:
   - name: AU_m
     value: 1.495978707e11
     unit: m
-    description: One astronomical unit in metres (IAU 2012 Resolution B2, exact by definition) — the AU->m unit conversion applied to heliocentric distance r in the Parker spiral. A universal length-scale building block, not a fit coefficient.
+    description: One astronomical unit in metres (IAU 2012 Resolution B2, exact by definition) — the AU->m unit conversion applied to heliocentric distance r. A universal length-scale building block, not a fit coefficient.
     source: IAU 2012 Resolution B2 (exact definition, 149 597 870 700 m).
     _role: candidate
   - name: mu0_vacuum_permeability
     value: 1.25663706e-6
     unit: N*A^-2
-    description: Vacuum magnetic permeability — a fundamental electromagnetic constant appearing in magnetic pressure and tension and in MHD wave speeds such as the Alfven speed. It belongs to the dynamic force-balance description of the magnetized plasma, not to this task's kinematic field geometry; included as a plausible-but-irrelevant candidate to test whether the SR system imports an unneeded constant.
+    description: Vacuum magnetic permeability — a fundamental electromagnetic constant appearing in magnetic pressure and tension and in MHD wave speeds such as the Alfven speed. It belongs to the dynamic force-balance description of the magnetized plasma.
     source: CODATA 2018 (mu0 = 1.25663706212e-6 N*A^-2; ~ 4*pi*1e-7).
     _role: distractor
 

pfas_soil_sorption__log_kd/metadata.yaml

@@ -154,13 +154,13 @@ priors:
   - name: CEC_clay_smectite
     value: 100.0
     unit: cmol+/kg
-    description: Typical cation exchange capacity of smectite clay minerals; indicates upper bound of CEC for high-clay soils. Relevant to soil characterization but not a coefficient in the Fabregat log-Kd formula.
+    description: Typical cation exchange capacity of smectite clay minerals; indicates upper bound of CEC for high-clay soils. Relevant to soil characterization.
     source: Sparks 2003, Environmental Soil Chemistry (2nd ed.), Table 2.1.
     _role: distractor
   - name: pKa_PFOA
     value: -0.5
     unit: ""
-    description: Approximate pKa of perfluorooctanoic acid (PFOA); negative value indicates full ionization at environmental pH. A molecular property relevant to PFAS speciation but not a coefficient in the Koc-Kow regression.
+    description: Approximate pKa of perfluorooctanoic acid (PFOA); negative value indicates full ionization at environmental pH. A molecular property relevant to PFAS speciation.
     source: Goss 2008, Environmental Science and Technology 42, 456-458, Table 1.
     _role: distractor
 

pp_total_cross_section_donnachie_landshoff__sigma_tot/metadata.yaml

@@ -80,19 +80,19 @@ priors:
   - name: alpha_f2_trajectory
     value: 0.70
     unit: ""
-    description: f_2/rho Regge-trajectory intercept alpha_f2(0) ≈ 0.70, relevant to secondary Reggeon exchange in hadronic reactions. Distinct from the DL fitted eta=0.4525 (which parametrises the effective power 1 - alpha_R) and from the Pomeron intercept 1.08. Universal QCD phenomenology reference.
+    description: f_2/rho Regge-trajectory intercept alpha_f2(0) ≈ 0.70, relevant to secondary Reggeon exchange in hadronic reactions. Universal QCD phenomenology reference.
     source: "Collins P.D.B. (1977) Introduction to Regge Theory, Cambridge UP, Chapter 4 — Reggeon trajectories table."
     _role: candidate
   - name: Y_pbarp
     value: 98.39
     unit: mb
-    description: Reggeon coupling coefficient for pbar-p scattering in the DL formula (not used in the pp baseline shipped here; the pbar-p reaction has a different Reggeon amplitude due to charge-conjugation).
-    source: Donnachie & Landshoff 1992, Phys. Lett. B 296:227, Figure 1(a) legend, PDF p. 10
+    description: Reggeon coupling coefficient for pbar-p (proton-antiproton) scattering; the pbar-p reaction has a different Reggeon amplitude due to charge-conjugation than the proton-proton reaction studied here.
+    source: Hadronic Regge-trajectory phenomenology; f2/rho secondary-Reggeon intercept.
     _role: distractor
   - name: sigma_tot_pp_low_energy
     value: 39.5
     unit: mb
-    description: Reference pp total cross-section near sqrt(s)=10 GeV (ISR threshold), the lower energy boundary of the DL formula's calibration range. A domain-knowledge anchor for the cross-section scale, not a formula coefficient.
+    description: Reference pp total cross-section near sqrt(s)=10 GeV (ISR threshold). A domain-knowledge anchor for the cross-section scale.
     source: "Particle Data Group (2022) Cross Section Data, Table — pp total cross-section near sqrt(s)=10 GeV."
     _role: distractor
 

pv_module_temperature_efficiency_pvpmc__P_max/metadata.yaml

@@ -38,7 +38,6 @@ inputs:
     unit: deg C
     description: >-
       Back-of-cell module temperature (PVDAQ column temperature_module_o_2206).
-      Direct measurement; thermal sub-models (Fuentes, Sandia) are not needed.
     range:
       train: [-7.015, 58.67]
       test:  [16.89, 65.16]

qg_turbulence_subgrid_pyqg__Sq/metadata.yaml

@@ -106,13 +106,13 @@ priors:
   - name: beta_Coriolis_pyqg
     value: 1.5e-11
     unit: m^-1 s^-1
-    description: Meridional Coriolis gradient (beta-plane coefficient) in the pyqg two-layer eddy configuration. Controls geostrophic turbulence scale and Rossby wave propagation but is not a coefficient in the PV-forcing closures benchmarked here.
+    description: Meridional Coriolis gradient (beta-plane coefficient) in the pyqg two-layer eddy configuration. Controls geostrophic turbulence scale and Rossby wave propagation.
     source: Ross et al. 2023, Table 1, PDF p. 6 (pyqg eddy configuration parameters).
     _role: distractor
   - name: f0_coriolis_pyqg
     value: 1.03e-4
     unit: s^-1
-    description: Coriolis parameter f_0 at the reference latitude in the pyqg eddy configuration. Enters the QG PV definition but is not a free coefficient in the Smagorinsky, ZB2020, or Ross 2023 subgrid closures.
+    description: Coriolis parameter f_0 at the reference latitude in the pyqg eddy configuration. Enters the QG PV definition.
     source: Ross et al. 2023, Table 1, PDF p. 6 (pyqg eddy configuration parameters).
     _role: distractor
 

red_giant_asteroseismology__delta_nu/metadata.yaml

@@ -115,19 +115,19 @@ priors:
   - name: delta_nu_sun
     value: 135.1
     unit: uHz
-    description: Solar large-frequency-separation reference adopted in the seismic scaling relation (Yu+2018 Eq. 3). A solar reference constant, not a coefficient in the Δν–ν_max power-law formula fitted to the red-giant population.
+    description: Solar large-frequency-separation reference adopted in the seismic scaling relation (Yu+2018 Eq. 3). A solar reference constant.
     source: Yu et al. 2018, Eq. 3, PDF p. 5
     _role: distractor
   - name: nu_max_sun
     value: 3090.0
     unit: uHz
-    description: Solar reference frequency of maximum oscillation power (Yu+2018 Eq. 2). Solar anchor value, not a coefficient in the power-law Δν fit.
+    description: Solar reference frequency of maximum oscillation power (Yu+2018 Eq. 2). Solar anchor value.
     source: Yu et al. 2018, Eq. 2, PDF p. 5
     _role: distractor
   - name: Teff_sun
     value: 5777.0
     unit: K
-    description: Solar effective temperature used as the reference in the ν_max scaling relation (Yu+2018 Eq. 2). Standard solar value; not a coefficient in the Δν–ν_max power-law formula.
+    description: Solar effective temperature used as the reference in the ν_max scaling relation (Yu+2018 Eq. 2). Standard solar value.
     source: Yu et al. 2018, §3.1, PDF p. 5
     _role: distractor
 

red_giant_asteroseismology__nu_max/metadata.yaml

@@ -136,19 +136,19 @@ priors:
   - name: delta_nu_sun
     value: 135.1
     unit: μHz
-    description: Solar large-frequency-separation reference adopted in the seismic scaling relation (Yu+2018 Eq. 3). A solar reference constant, not a coefficient in the ν_max–Δν power-law formula fitted to the red-giant population.
+    description: Solar large-frequency-separation reference adopted in the seismic scaling relation (Yu+2018 Eq. 3). A solar reference constant.
     source: Yu et al. 2018, Eq. 3, PDF p. 5
     _role: distractor
   - name: nu_max_sun
     value: 3090.0
     unit: μHz
-    description: Solar reference frequency of maximum oscillation power (Yu+2018 Eq. 2). Solar anchor value, not a coefficient in the power-law ν_max fit. Enters the ν_max scaling relation only as a normalisation anchor for the Sun; not used in the two shipped baselines (yu_2018_inverted and yu_2018_teff).
+    description: Solar reference frequency of maximum oscillation power (Yu+2018 Eq. 2). Solar anchor value. Enters the ν_max scaling relation as a normalisation anchor for the Sun.
     source: Yu et al. 2018, Eq. 2, PDF p. 5
     _role: distractor
   - name: log_g_sun_cgs
     value: 4.438
     unit: "cm/s^2 (log10)"
-    description: Solar surface gravity log10(g_sun) ≈ 4.438 cm/s² (cgs), the reference value in the ν_max ∝ g·T_eff^{-1/2} scaling relation normalisation. Not used directly in either shipped baseline formula, which work with ν_max_sun and Teff_sun as references rather than log_g_sun. A domain-relevant solar constant from asteroseismic conventions.
+    description: Solar surface gravity log10(g_sun) ≈ 4.438 cm/s² (cgs), a solar reference value used in seismic scaling-relation normalisation. A domain-relevant solar constant from asteroseismic conventions.
     source: Chaplin WJ & Miglio A (2013) ARA&A 51:353-392, §2; IAU 2015 B3 nominal solar values.
     _role: distractor
 

rock_core_permeability_norweg__log_k/metadata.yaml

@@ -53,20 +53,20 @@ priors:
   - name: kc_pre_factor
     value: 0.0083
     unit: ""
-    description: Kozeny-Carman pre-factor coefficient (8.3e-3) in k = pre_factor * (g/nu) * [phi^3/(1-phi)^2] * d10^2.
+    description: A candidate pre-factor coefficient (8.3e-3) from grain-size permeability correlations.
     source: Cabalar and Akbulut 2016 Table 4 (PDF p.10, SpringerPlus 5:820).
     _role: candidate
   - name: kc_canonical_exponent
     value: 3.0
     unit: ""
-    description: Canonical Kozeny-Carman numerator porosity exponent (phi^3 in phi^3/(1-phi)^2).
-    source: Kozeny 1927 / Carman 1937 theoretical value. (Han et al. 2019 Table 3 confirms the DENOMINATOR exponent 2 as invariant across its per-core fits; its numerator fits are 1.19-1.92, below this ideal 3.)
+    description: A candidate porosity-exponent value from grain-size permeability correlations.
+    source: Classical pore-network permeability theory value.
     _role: candidate
   - name: hazen_pre_factor
     value: 0.0006
     unit: ""
-    description: Hazen (1911) pre-factor in k = 6e-4 * (g/nu) * [1 + 10(phi - 0.26)] * d10^2.
-    source: Cabalar and Akbulut 2016 Table 4 (PDF p.10). (Uses d10, not available in this dataset.)
+    description: A candidate pre-factor value (6e-4) from grain-size permeability correlations.
+    source: Cabalar and Akbulut 2016 Table 4 (PDF p.10).
     _role: distractor
 
 # === Reference baselines ===

running_endurance_iaaf__velocity/metadata.yaml

@@ -123,18 +123,18 @@ priors:
   - name: marathon_distance
     value: 42195.0
     unit: m
-    description: Official marathon race distance (IAAF standard). Kept from pre-fix priors — genuinely non-leaking distractor.
-    source: IAAF world athletics standards; used as a boundary distance in Emig & Peltonen (2020) analysis.
+    description: Official marathon race distance (IAAF standard).
+    source: IAAF world athletics standards.
     _role: distractor
   - name: km_per_mile
     value: 1.609344
     unit: km/mile
-    description: Exact kilometres per international mile (IAU/IUPAC definition). Unit conversion factor not used by any baseline formula.
+    description: Exact kilometres per international mile (IAU/IUPAC definition). A unit conversion factor.
     source: International Bureau of Weights and Measures (BIPM); exact definition.
     _role: distractor
   - name: vo2max_elite_threshold_mlkgmin
     value: 70.0
     unit: mL/kg/min
-    description: Approximate VO2max threshold for elite male endurance runners (exercise physiology reference). Not a parameter in any shipped formula.
+    description: Approximate VO2max threshold for elite male endurance runners (exercise physiology reference).
     source: Exercise physiology literature (e.g. Joyner & Coyle 2008, J. Physiol.); approximate canonical threshold.
     _role: distractor

sne_ia_distance_modulus_pantheonplus__mu/metadata.yaml

@@ -87,20 +87,20 @@ priors:
   - name: c_light_km_s
     value: 299792.458
     unit: km/s
-    description: Speed of light — CGPM exact SI definition (exact since 17th CGPM 1983; BIPM SI Brochure 9th ed.). A universal physical constant that enters the comoving distance integral as c/H0 [Mpc]. This is a BUILDING_BLOCK physical standard, not an empirical cosmological fit result.
-    source: BIPM SI Brochure 9th ed. (2019); used as OTHER_CONSTANTS["c_km_s"] in linder_2003.py (Eq. 5, Linder 2003).
+    description: Speed of light — CGPM exact SI definition (exact since 17th CGPM 1983; BIPM SI Brochure 9th ed.). A universal physical constant that enters the comoving distance integral as c/H0 [Mpc]. This is a building-block physical standard, not an empirical cosmological fit result.
+    source: BIPM SI Brochure 9th ed. (2019).
     _role: candidate
   - name: alpha_tripp_brout
     value: 0.148
     unit: ""
-    description: Light-curve stretch coefficient in the Tripp/BBC standardisation formula applied to Pantheon+ (not used in the CPL/FLRW Linder 2003 distance-modulus formula released here).
-    source: Brout et al. 2022, ApJ 938:110, Table 2 (BS21 scatter model), PDF p. 12.
+    description: Light-curve stretch coefficient used in the empirical light-curve standardisation of the apparent magnitudes.
+    source: Empirical light-curve-standardisation fit to the SN Ia sample.
     _role: distractor
   - name: MB_riess2022
     value: -19.253
     unit: mag
-    description: Fiducial SN Ia absolute magnitude from the SH0ES distance ladder (Riess 2022). Not used in the pure cosmological CPL distance-modulus formula released here (the Tripp standardisation is absorbed into the observed mu values).
-    source: Riess et al. 2022, ApJ 934:7, Eq. 3 and Table 4, PDF p. 10.
+    description: Fiducial SN Ia absolute magnitude from a distance-ladder calibration. The light-curve standardisation is already absorbed into the observed mu values.
+    source: Distance-ladder absolute-magnitude calibration of SNe Ia.
     _role: distractor
 
 references:

solar_flat_plate_collector_graz_efficiency__eta_thermal/metadata.yaml

@@ -22,28 +22,28 @@ inputs:
   - name: G_W_m2
     symbol: G
     unit: W m^-2
-    description: Global plane-of-array irradiance.  HWB input — appears in the reduced temperature (T_in - T_amb)/G.
+    description: Global plane-of-array irradiance.
     range:
       train: [680.383, 1114.65]
       test:  [724.633, 1032.7]
   - name: T_in_C
     symbol: T_in
     unit: deg C
-    description: Collector inlet fluid temperature.  HWB input.
+    description: Collector inlet fluid temperature.
     range:
       train: [60.3027, 74.4362]
       test:  [60.3805, 73.2023]
   - name: T_amb_C
     symbol: T_amb
     unit: deg C
-    description: Ambient air temperature.  HWB input (the loss term depends on T_in - T_amb).
+    description: Ambient air temperature.
     range:
       train: [9.12117, 34.9797]
       test:  [11.029, 33.0007]
   - name: WS_m_s
     symbol: WS
     unit: m s^-1
-    description: Wind speed at the collector top edge.  DISTRACTOR — ISO 9806 has an optional wind-dependent loss extension, but the core HWB law and all three reference baselines ignore wind (only weak residual signal in this data).
+    description: Wind speed at the collector top edge.  There is only a weak residual signal from wind in this data.
     range:
       train: [0.0383333, 2.40833]
       test:  [0.248333, 1.98167]
@@ -79,26 +79,26 @@ priors:
   - name: optical_efficiency_a0
     value: 0.745
     unit: dimensionless
-    description: Certified optical (zero-loss) efficiency eta0 of the Arcon-Sunmark HTHEATstore-35/10 collector (mean-fluid SP-test form); a candidate for the HWB intercept a0.
-    source: Tschopp 2023 Table 3 (SP-certified, mean-fluid form).  The Bliss inlet-form fit on this task's data gives a0 ~ 0.68.
+    description: Certified optical (zero-loss) efficiency eta0 of the Arcon-Sunmark HTHEATstore-35/10 collector (mean-fluid SP-test form); a candidate value for the zero-loss optical-efficiency term.
+    source: Manufacturer SP-certified collector datasheet (mean-fluid form).
     _role: candidate
   - name: linear_loss_a1
     value: 2.067
     unit: W m^-2 K^-1
-    description: Certified linear heat-loss coefficient a1 (mean-fluid SP-test form); a candidate for the HWB linear loss term.
-    source: Tschopp 2023 Table 3.  Bliss inlet-form fit gives a1 ~ 2.3-2.6.
+    description: Certified linear heat-loss coefficient (mean-fluid SP-test form); a candidate value for a linear heat-loss term.
+    source: Manufacturer SP-certified collector datasheet.
     _role: candidate
   - name: quadratic_loss_a2
     value: 0.009
     unit: W m^-2 K^-2
-    description: Certified quadratic (re-radiation) heat-loss coefficient a2; a candidate for the HWB second-order term.
-    source: Tschopp 2023 Table 3.  Small; within the noise floor on this dataset's narrow reduced-temperature range.
+    description: Certified quadratic (re-radiation) heat-loss coefficient; a candidate value for a second-order heat-loss term.
+    source: Manufacturer SP-certified collector datasheet.  Small; within the noise floor on this dataset's narrow operating range.
     _role: candidate
   - name: water_cp
     value: 4186.0
     unit: J kg^-1 K^-1
     description: Specific heat capacity of the water/glycol heat-transfer fluid.
-    source: Standard.  Used to compute the useful heat (and hence eta) upstream; a DISTRACTOR for the efficiency-law formula, which takes eta as given.
+    source: Standard.  Used to compute the useful heat (and hence eta) upstream; the efficiency target is provided as given.
     _role: distractor
 
 # === Reference baselines ===

traffic_flow_density_ngsim__q_flow/metadata.yaml

@@ -22,35 +22,35 @@ inputs:
   - name: k_veh_km_lane
     symbol: k
     unit: veh/km/lane
-    description: Per-lane traffic density (vehicles per kilometre per lane), computed as the total vehicle time-in-cell divided by the cell area Δt·Δx (Edie's generalised density).  PRIMARY input — the only column the closed-form fundamental-diagram q = Q(k) consumes; all three reference baselines use this input alone.
+    description: Per-lane traffic density (vehicles per kilometre per lane), computed as the total vehicle time-in-cell divided by the cell area Δt·Δx (Edie's generalised density).
     range:
       train: [3.28084, 249.453]
       test:  [3.28084, 249.125]
   - name: corridor
     symbol: corridor
     unit: dimensionless
-    description: Integer code for the recording corridor — 0 = US-101 Hollywood, 1 = I-80 Emeryville.  DISTRACTOR — different corridors have slightly different empirical FD parameters (Cassidy & Bertini 1999, TR-B 33:25), but the Type I single-pool fit ignores corridor identity.  No reference baseline uses this input.
+    description: Integer code for the recording corridor — 0 = US-101 Hollywood, 1 = I-80 Emeryville.  Different corridors have slightly different empirical density-flow behaviour, but the Type I single-pool fit ignores corridor identity.
     range:
       train: [0, 1]
       test:  [0, 1]
   - name: lane_id
     symbol: lane_id
     unit: dimensionless
-    description: Integer lane number, 1 = leftmost (typically HOV) … 6 = rightmost.  DISTRACTOR — lane behavior differs (HOV vs general-purpose) but the q(k) constitutive law is the same.  No reference baseline uses this input.
+    description: Integer lane number, 1 = leftmost (typically HOV) … 6 = rightmost.  Lane behavior differs (HOV vs general-purpose) but the density-flow constitutive relation is the same.
     range:
       train: [1, 6]
       test:  [1, 6]
   - name: t_bin_s
     symbol: t
     unit: s
-    description: Start time of the 30-second space-time cell within the NGSIM recording session (each corridor has its own 15-minute recording window, so t resets at zero per corridor — not a wall-clock timestamp).  DISTRACTOR — bookkeeping, not cross-corridor comparable.  No reference baseline uses this input.
+    description: Start time of the 30-second space-time cell within the NGSIM recording session (each corridor has its own 15-minute recording window, so t resets at zero per corridor — not a wall-clock timestamp).  Bookkeeping, not cross-corridor comparable.
     range:
       train: [0, 1140]
       test:  [0, 1140]
   - name: x_bin_ft
     symbol: x
     unit: ft
-    description: Midpoint of the 100-ft spatial bin along the corridor (50 ft = upstream edge, 2150 ft = downstream edge).  DISTRACTOR — encodes proximity to known bottlenecks (e.g. I-80's Powell St on-ramp ≈ x ≈ 1300 ft) but the closed-form FD is location-independent.  No reference baseline uses this input.
+    description: Midpoint of the 100-ft spatial bin along the corridor (50 ft = upstream edge, 2150 ft = downstream edge).  Encodes proximity to known bottlenecks (e.g. I-80's Powell St on-ramp ≈ x ≈ 1300 ft) but the density-flow relation is location-independent.
     range:
       train: [50, 2150]
       test:  [50, 2150]
@@ -100,13 +100,13 @@ priors:
   - name: us_freeway_typical_free_flow_speed
     value: 105.0
     unit: km/h
-    description: Typical free-flow (uncongested) speed on a US Interstate-class freeway under a 65 mph speed limit; a candidate value for the V_F coefficient in the linear / exponential / triangular q-k forms.
+    description: Typical free-flow (uncongested) speed on a US Interstate-class freeway under a 65 mph speed limit; a candidate value for a free-flow-speed term.
     source: AASHTO Green Book 2018 §3.2 design-speed table; speed-limit data from the California DOT 2005 corridor logs that accompany NGSIM.
     _role: candidate
   - name: us_freeway_typical_capacity_per_lane
     value: 2200.0
     unit: veh/h/lane
-    description: Practical per-lane capacity at level-of-service E for a US freeway with 12-ft lanes and good shoulders; a candidate value for the Q_CAP plateau in the trapezoidal FD.
+    description: Practical per-lane capacity at level-of-service E for a US freeway with 12-ft lanes and good shoulders; a candidate value for a maximum-flow / capacity term.
     source: HCM (Highway Capacity Manual) 6th edition, Exhibit 12-6.  Empirically NGSIM cells approach but rarely exceed 2,500 veh/h/lane; the v2 test reaches 3,499 in one outlier cell.
     _role: candidate
   - name: us_freeway_typical_jam_density_per_lane
@@ -118,14 +118,14 @@ priors:
   - name: us_freeway_backward_wave_speed
     value: 19.0
     unit: km/h
-    description: Magnitude of the LWR backward kinematic-wave speed for US freeways; a candidate value for the slope |W| of the congested branch in the triangular FD.
+    description: Magnitude of the LWR backward kinematic-wave speed for US freeways; a candidate value for the speed of the congested branch.
     source: Cassidy & Bertini 1999 TR-B 33:25 §4, Eisenhower Expressway empirical estimate.  Daganzo 1994 §3.1 gives "around 20 km/h" for typical conditions.
     _role: candidate
   - name: pedestrian_jam_density
     value: 5.4
     unit: ped/m²
     description: Maximum sustainable pedestrian density (Fruin's level-of-service F).
-    source: Fruin 1971 "Pedestrian Planning and Design", §3.  Pedestrian-flow constant; a DISTRACTOR for vehicular traffic on a freeway.
+    source: Fruin 1971 "Pedestrian Planning and Design", §3.  Pedestrian-flow constant, for pedestrian rather than vehicular traffic.
     _role: distractor
 
 # === Reference baselines ===

tree_biomass_allometry_chave__agb/metadata.yaml

@@ -106,19 +106,19 @@ priors:
   - name: WBE_metabolic_exponent
     value: 0.75
     unit: dimensionless
-    description: West-Brown-Enquist (1997, 1999) metabolic scaling exponent — metabolic rate B ∝ M^(3/4), derived from fractal vascular network theory. This applies to metabolic scaling, NOT to the structural AGB allometry (AGB ∝ rho*D^2*H) in this task; the Chave 2014 formula has a DIFFERENT target variable and different input structure.
+    description: West-Brown-Enquist (1997, 1999) metabolic scaling exponent — metabolic rate B ∝ M^(3/4), derived from fractal vascular network theory. This applies to metabolic scaling, which has a different target variable and input structure from the aboveground-biomass allometry in this task.
     source: "West GB, Brown JH, Enquist BJ (1997) Science 276:122-126; West GB et al. (1999) Science 284:1677-1679."
     _role: distractor
   - name: Jenkins_hardwood_exponent
     value: 2.4800
     unit: dimensionless
-    description: Power-law exponent for hardwood component biomass from Jenkins et al. (2003) US national biomass equation for hardwoods — AGB components ∝ D^exponent. Different species group, different country calibration, and different formula structure from Chave 2014's pantropical three-predictor model.
+    description: Power-law exponent for hardwood component biomass from Jenkins et al. (2003) US national biomass equation for hardwoods — biomass components ∝ D^exponent. Different species group and country calibration from the pantropical setting of this task.
     source: "Jenkins JC et al. (2003) Ecological Monographs 73:443-463, Table 4 (hardwood, total aboveground biomass)."
     _role: distractor
   - name: wood_density_tropical_mean
     value: 0.57
     unit: g/cm^3
-    description: Global mean tropical angiosperm wood density from the Zanne et al. (2009) global wood-density database, used in pan-tropical biomass studies as a reference value. Not a coefficient in any allometric formula shipped here.
+    description: Global mean tropical angiosperm wood density from the Zanne et al. (2009) global wood-density database, used in pan-tropical biomass studies as a reference value.
     source: "Zanne AE et al. (2009) Global wood density database (Dryad). Reported in Chave J et al. (2009) Ecol. Lett. 12:351-366, Table 1."
     _role: distractor
 

volcanic_column_mer_ivespa__H_top/metadata.yaml

@@ -22,7 +22,7 @@ inputs:
   - name: MER_kg_per_s
     symbol: MER
     unit: kg s^-1
-    description: Time-averaged mass eruption rate (total erupted mass / event duration), kg/s.  PRIMARY (and only) physical driver of column height in the buoyant-plume scaling, spanning seven orders of magnitude.  Computed from independently-measured deposit mass and event duration, NOT inverted from plume height.
+    description: Time-averaged mass eruption rate (total erupted mass / event duration), kg/s.  The physical driver of column height, spanning seven orders of magnitude.  Computed from independently-measured deposit mass and event duration, NOT inverted from plume height.
     range:
       train: [19.3889, 5.55556e+06]
       test:  [5.55556e+06, 2.33918e+08]
@@ -62,26 +62,26 @@ priors:
   - name: mtt_plume_exponent
     value: 0.25
     unit: dimensionless
-    description: Morton-Taylor-Turner buoyant-plume exponent — column height scales as MER^(1/4) for a point buoyancy source in uniform stratification.  A candidate value for the power-law exponent.
-    source: Morton, Taylor & Turner 1956 Proc. R. Soc. A 234:1; Wilson 1978; Sparks 1997.  The first-principles theoretical exponent (Aubry 2023's empirical fit gives 0.226, close to 1/4).
+    description: First-principles buoyant-plume scaling exponent for a point buoyancy source rising in uniform stratification.  A candidate value for a scaling exponent.
+    source: Classical buoyant-plume theory for a point buoyancy source in uniform stratification.
     _role: candidate
   - name: aubry_2023_exponent
     value: 0.226
     unit: dimensionless
-    description: Aubry et al. (2023) empirical MER-H_top power-law exponent fit on the full 130-event IVESPA corpus.
-    source: Aubry 2023 GRL Eq. 1.  A candidate exponent; note the full-corpus fit "saw" the high-MER events, so on the v2 OOD train alone the fitted exponent is shallower (~0.18).
+    description: Empirical scaling exponent fit on the full 130-event corpus.
+    source: Empirical full-corpus fit.  A candidate exponent; note the full-corpus fit "saw" the high-MER events, so on the v2 OOD train alone the fitted exponent is shallower (~0.18).
     _role: candidate
   - name: aubry_2023_prefactor
     value: 0.345
     unit: km (kg/s)^-0.226
-    description: Aubry et al. (2023) empirical MER-H_top power-law prefactor (full-corpus fit).
-    source: Aubry 2023 GRL Eq. 1.  Candidate prefactor.
+    description: Empirical scaling prefactor (full-corpus fit).
+    source: Empirical full-corpus fit.  Candidate prefactor.
     _role: candidate
   - name: tropopause_height_midlat
     value: 11.0
     unit: km
     description: Typical mid-latitude tropopause height.
-    source: Standard atmosphere.  Volcanic columns that overshoot the tropopause spread laterally; a DISTRACTOR for the H_top-MER scaling, which Aubry 2023 §5 finds has no clear atmospheric dependence.
+    source: Standard atmosphere.  Volcanic columns that overshoot the tropopause spread laterally; the column-height scaling has no clear atmospheric dependence.
     _role: distractor
 
 # === Reference baselines ===

wind_turbine_power_curve_engie__power_kW/metadata.yaml

@@ -47,19 +47,19 @@ priors:
     value: 0.5926
     unit: dimensionless
     description: Betz theoretical maximum power coefficient (16/27).
-    source: Betz 1919, "Das Maximum der theoretisch möglichen Ausnützung des Windes durch Windmotoren" — the universal upper bound on Cp for any wind energy extraction device.  A candidate value for the structural CP_EQ constant; the v2 baseline uses the lower empirical value 0.4249 fit on La Haute Borne data.
+    source: Betz 1919, "Das Maximum der theoretisch möglichen Ausnützung des Windes durch Windmotoren" — the universal upper bound on Cp for any wind energy extraction device.  A candidate value for a power-coefficient constant; the empirical operating value is somewhat lower.
     _role: candidate
   - name: senvion_mm82_rated_power
     value: 2050.0
     unit: kW
     description: Senvion MM82 turbine datasheet rated power.
-    source: Senvion (now Nordex) MM82 turbine product datasheet — the rated electrical power output at v ≥ v_r.  A candidate value for the asymptote / rated-power constant; both reference baselines freeze this value (Carrillo P_R = 2050, Lydia A = 2050).
+    source: Senvion (now Nordex) MM82 turbine product datasheet — the rated electrical power output at v ≥ v_r.  A candidate value for the asymptote / rated-power constant.
     _role: candidate
   - name: silicon_solar_band_gap
     value: 1.12
     unit: eV
     description: Crystalline-silicon photovoltaic semiconductor band gap.
-    source: A solar-energy domain quantity but irrelevant to wind power generation, which operates via mechanical kinetic-energy extraction rather than photon absorption.  A distractor.
+    source: A solar-energy domain quantity but irrelevant to wind power generation, which operates via mechanical kinetic-energy extraction rather than photon absorption.
     _role: distractor
 
 # === Reference baselines ===