| { |
| "benchmark": "SOV-PQC", |
| "criteria": { |
| "alg_agility": "Every signed record names its algorithm, so a verifier need not assume one", |
| "hybrid_ready": "The format can carry two signatures over one payload (classical + PQC)", |
| "timestamped": "An RFC 3161 trusted timestamp proves existence before any future break", |
| "ts_renewal": "RFC 4998 evidence-record renewal, so the proof outlives its own algorithm", |
| "pqc_option": "A PQC algorithm is present or selectable (ML-DSA, COSE \u221248/\u221249/\u221250)" |
| }, |
| "subjects_measured": 5, |
| "subjects_unmeasured": [], |
| "results": { |
| "SIGIL J-space chain": { |
| "alg_agility": { |
| "pass": false, |
| "detail": "0/21 signed records name an algorithm" |
| }, |
| "hybrid_ready": { |
| "pass": false, |
| "detail": "0/21 carry a container signature field; a scalar string cannot hold a second signature" |
| }, |
| "timestamped": { |
| "pass": false, |
| "detail": "no RFC 3161 token field found" |
| }, |
| "ts_renewal": { |
| "pass": false, |
| "detail": "no RFC 4998 evidence-record field found" |
| }, |
| "pqc_option": { |
| "pass": false, |
| "detail": "no PQC algorithm named anywhere in the chain" |
| }, |
| "records": 21, |
| "signed_records": 21 |
| }, |
| "SOV33 sovereign chain": { |
| "alg_agility": { |
| "pass": false, |
| "detail": "0/3 signed records name an algorithm" |
| }, |
| "hybrid_ready": { |
| "pass": false, |
| "detail": "0/3 carry a container signature field; a scalar string cannot hold a second signature" |
| }, |
| "timestamped": { |
| "pass": false, |
| "detail": "no RFC 3161 token field found" |
| }, |
| "ts_renewal": { |
| "pass": false, |
| "detail": "no RFC 4998 evidence-record field found" |
| }, |
| "pqc_option": { |
| "pass": false, |
| "detail": "no PQC algorithm named anywhere in the chain" |
| }, |
| "records": 3, |
| "signed_records": 3 |
| }, |
| "SOV33 composition chain": { |
| "alg_agility": { |
| "pass": false, |
| "detail": "0/2 signed records name an algorithm" |
| }, |
| "hybrid_ready": { |
| "pass": false, |
| "detail": "0/2 carry a container signature field; a scalar string cannot hold a second signature" |
| }, |
| "timestamped": { |
| "pass": false, |
| "detail": "no RFC 3161 token field found" |
| }, |
| "ts_renewal": { |
| "pass": false, |
| "detail": "no RFC 4998 evidence-record field found" |
| }, |
| "pqc_option": { |
| "pass": false, |
| "detail": "no PQC algorithm named anywhere in the chain" |
| }, |
| "records": 2, |
| "signed_records": 2 |
| }, |
| "MEOK SOV33 chain": { |
| "alg_agility": { |
| "pass": false, |
| "detail": "0/2 signed records name an algorithm" |
| }, |
| "hybrid_ready": { |
| "pass": false, |
| "detail": "0/2 carry a container signature field; a scalar string cannot hold a second signature" |
| }, |
| "timestamped": { |
| "pass": false, |
| "detail": "no RFC 3161 token field found" |
| }, |
| "ts_renewal": { |
| "pass": false, |
| "detail": "no RFC 4998 evidence-record field found" |
| }, |
| "pqc_option": { |
| "pass": false, |
| "detail": "no PQC algorithm named anywhere in the chain" |
| }, |
| "records": 2, |
| "signed_records": 2 |
| }, |
| "C2PA manifest (ours)": { |
| "alg_agility": { |
| "pass": true, |
| "detail": "COSE header carries an alg identifier" |
| }, |
| "hybrid_ready": { |
| "pass": false, |
| "detail": "C2PA \u2264v2.4 defines ONE claim signature per claim \u2014 no hybrid slot exists in the spec, independent of our usage" |
| }, |
| "timestamped": { |
| "pass": false, |
| "detail": "RFC 3161 timestamping is supported by C2PA; our selftest falls back to untimestamped when no TSA is reachable" |
| }, |
| "ts_renewal": { |
| "pass": false, |
| "detail": "no RFC 4998 evidence-record renewal in C2PA \u2264v2.4" |
| }, |
| "pqc_option": { |
| "pass": false, |
| "detail": "C2PA \u2264v2.4 permits ES256/EdDSA/PS256 only \u2014 all classical. RFC 9964 registered ML-DSA COSE \u221248/\u221249/\u221250 in May 2026 but C2PA has not adopted them" |
| }, |
| "records": 1, |
| "signed_records": 1 |
| } |
| }, |
| "per_criterion": { |
| "alg_agility": { |
| "pass": 1, |
| "of": 5, |
| "criterion": "Every signed record names its algorithm, so a verifier need not assume one" |
| }, |
| "hybrid_ready": { |
| "pass": 0, |
| "of": 5, |
| "criterion": "The format can carry two signatures over one payload (classical + PQC)" |
| }, |
| "timestamped": { |
| "pass": 0, |
| "of": 5, |
| "criterion": "An RFC 3161 trusted timestamp proves existence before any future break" |
| }, |
| "ts_renewal": { |
| "pass": 0, |
| "of": 5, |
| "criterion": "RFC 4998 evidence-record renewal, so the proof outlives its own algorithm" |
| }, |
| "pqc_option": { |
| "pass": 0, |
| "of": 5, |
| "criterion": "A PQC algorithm is present or selectable (ML-DSA, COSE \u221248/\u221249/\u221250)" |
| } |
| }, |
| "composite_score": "REFUSED BY DESIGN \u2014 see module docstring", |
| "standards": { |
| "NIST_IR_8547": "EdDSA/ECDSA disallowed after 2035", |
| "NSA_CNSA_2.0": "PQC support expected from Jan 2027", |
| "RFC_9964": "ML-DSA COSE identifiers -48/-49/-50, May 2026", |
| "C2PA_v2.4": "ES256/EdDSA/PS256 only \u2014 classical" |
| }, |
| "corpus_anchor": { |
| "corpus_root": "3729b52eb469b77c6501056889460e9fcd45fc0127bc59b002863b28db3ef01d", |
| "provisions": 417, |
| "normaliser_version": "1.0.0", |
| "anchored_at": "2026-07-29T14:07:17.839263+00:00", |
| "retro": false, |
| "note": "Anchored at write time by anchored_write.write_result()." |
| } |
| } |
