{ "status": "PASS", "arithmetic": "Exact rational interval arithmetic, integer-square-root enclosures, Machin pi, and alternating cosine Taylor enclosures; decimal strings are display-only.", "method": "Continuous rotational averaging with sharp per-point cap-occupancy bound, exact angular exterior Crofton waste, convex-reward cap-capacity packing, and localized additive projection redundancy, using the classical four-cap strip lemma.", "parameters": { "r": "44539/312500000", "t": "486266001/500000000", "delta": "84450517/10000000000000", "kappa": "3343199/1000000", "robust_missed_line_coefficient_upper": "250194151/500000000", "lambda": "pi/8; sine and cosine evaluated by exact radical enclosures" }, "bound": "Every conventional rectifiable opaque barrier of the unit disk has length strictly greater than pi+8.4450517e-6.", "robust_bound": "For every finite straight set B, length(B)+0.500388302*U(B) is strictly greater than pi+8.4450517e-6, where U(B) is missed unit-disk line measure in dtheta*dp coordinates.", "exact_robust_missed_line_coefficient": [ "0.500388301495003693028567362515948783723625519", "0.500388301495003693028567362515948783723625519" ], "scope": "Unconditional complete-barrier lower-bound improvement; the unrestricted optimum is not determined. Independent literature priority remains to be checked.", "analytic_dependencies": [ "Kawamura--Moriyama--Otachi--Pach strip-overlap lemma and its normal-window-localized proof: https://doi.org/10.4230/LIPIcs.SoCG.2016.46, Section 6.", "Kiderlen--Pausinger disk-cap geometry: https://doi.org/10.1007/s10474-026-01606-x, Section 3.2.", "The accompanying manuscript proves exact orientation-position exterior waste, convex-reward capacity packing with disjoint material allocations, continuous rotational redundancy reuse, and the final monotonicity argument." ], "pi_enclosure_by_Machin_identity": [ "3.14159265358979323846264338327950288419716940", "3.14159265358979323846264338327950288419716940" ], "rotation_angle_pi_over_4kappa": [ "0.234924144030148462480295323676477446017808796", "0.234924144030148462480295323676477446017808796" ], "cosine_enclosure_at_rotation_angle": [ "0.972532001065129160493899614613793797102660031", "0.972532001065129160493899614613793797102660031" ], "exact_exterior_coefficient": [ "1639.49823190329311103571954349476619705892600", "1639.49823190329311103571954349476619705892600" ], "far_exterior_coefficient": [ "5.18175304839211644465946224106180216925542450", "5.18175304839211644465946224106180216925542450" ], "initial_good_mass_eta0": [ "0.013733999", "0.013733999" ], "final_good_mass_at_W_equal_delta": [ "0.00681117533475905013852475395424315039321249098", "0.00681117533475905013852475395424315039321249098" ], "opposed_overlap_derivative_at_eta0": [ "0.000164859994895088133014231804896202622584007799", "0.000164859994895088133014231804896202622584007799" ], "packing_reward_derivative_at_eta0": [ "0.000364885585357478218512466427020964961359074555", "0.000364885585357478218512466427020964961359074555" ], "maximum_flow_for_convexity_and_branch_comparison": [ "0.027467998", "0.027467998" ], "capacity_packing_reward": "R(eta)=q(4*eta/3)+q(2*eta/3). The alternative 2*q(eta) is at least q(4*eta/3), since the quadratic denominator of q increases on nonnegative arguments.", "positive_intervals": { "r_positive": [ "0.0001425248", "0.0001425248" ], "r_below_sec_lambda_minus_one": [ "0.0822496754923939687994464107327788401221441268", "0.0822496754923939687994464107327788401221441268" ], "t_above_a_cos_lambda": [ "0.0485207937431179792291569925197795738063616666", "0.0485207937431179792291569925197795738063616666" ], "t_below_one": [ "0.027467998", "0.027467998" ], "w_squared_positive": [ "0.05446657499919061104", "0.05446657499919061104" ], "eta_positive": [ "0.013733999", "0.013733999" ], "final_eta_positive_for_W_at_most_delta": [ "0.00681117533475905013852475395424315039321249098", "0.00681117533475905013852475395424315039321249098" ], "eta_positive_at_certified_initial_reward": [ "0.00681117527317818330764889896016155697430547317", "0.00681117527317818330764889896016155697430547317" ], "far_radius_exceeds_near_annulus": [ "0.375225422270257998747394035936483540166916285", "0.375225422270257998747394035936483540166916285" ], "far_radius_exceeds_one": [ "0.375367947070257998747394035936483540166916285", "0.375367947070257998747394035936483540166916285" ], "near_coefficient_dominates_far": [ "1634.31647885490099459106008125370439488967058", "1634.31647885490099459106008125370439488967058" ], "strip_numerator_positive": [ "0.313112370713568598623986446464137901833300437", "0.313112370713568598623986446464137901833300437" ], "t_exceeds_w_for_neighbor_enclosing_disc": [ "0.739151250867455628286944732800196887846413442", "0.739151250867455628286944732800196887846413442" ], "opposed_localized_projection_slack": [ "0.412212416136279598094388845940125273416766851", "0.412212416136279598094388845940125273416766851" ], "neighbor_localized_projection_slack": [ "0.0121866417486293112503393717764246398951865730", "0.0121866417486293112503393717764246398951865730" ], "neighbor_branch_dominates_on_whole_eta_interval": [ "0.915467592725691769335952217484317444146408249", "0.915467592725691769335952217484317444146408249" ], "opposed_second_derivative_positive_on_whole_eta_interval": [ "15.9999851783239078183115757549362828905063786", "15.9999851783239078183115757549362828905063786" ], "rational_rotation_factor_positive": [ "3.343199", "3.343199" ], "rotation_factor_gate_t_minus_cos_pi_over_4kappa": [ "9.34870839506100385386206202897339968700433484E-10", "9.34870839506100385386206202897339968700433484E-10" ], "additive_monotonicity_slack": [ "2.47971596345080015093756582460816486652805565E-7", "2.47971596345080015093756582460816486652805565E-7" ], "rotated_reward_contradiction_margin": [ "7.51216020030550947321128335408978435742416294E-14", "7.51216020030550947321128335408978435742416294E-14" ], "robust_missed_line_coefficient_upper_slack": [ "5.04996306971432637484051216276374481419222676E-10", "5.04996306971432637484051216276374481419222676E-10" ] }, "opposed_overlap_bound": [ "0.00000113977195840370384587934451324925408758205828", "0.00000113977195840370384587934451324925408758205828" ], "neighbor_overlap_bound": [ "0.00000132940857468485565568314971606923792798214086", "0.00000132940857468485565568314971606923792798214086" ], "certified_initial_packing_reward": [ "0.00000252603921427399386128528236940512172350429740", "0.00000252603921427399386128528236940512172350429740" ], "certified_initial_rotated_reward": [ "0.00000844505177512160200305509473211283354089784357", "0.00000844505177512160200305509473211283354089784357" ], "published_selected_parameter_increment": "1.0764570174055761e-6 (floating reconstruction; background only)", "improvement_over_published_displayed_1_076457e_6": "73685947/10000000000000" }