{"receipt_id":"r_38601a43261747e8","sha256":"50cddea22a667ba89e129a3471aa79ce460ab0eab6c826098ced46b394e3bfc8","created_at":"2026-10-26T21:03:52.228899+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T21:03:52Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"50cddea22a667ba89e129a3471aa79ce460ab0eab6c826098ced46b394e3bfc8"},"signature":{"algorithm":"ML-DSA-65","standard":"FIPS 204","public_key_id":"did:web:alphacovenantholdings.com:api:vc#key-pq-1","value":"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","implementation":"dilithium-py reference implementation; not FIPS-validated","hybrid_classical":{"algorithm":"Ed25519","standard":"FIPS 186-5","public_key_id":"did:web:alphacovenantholdings.com:api:vc#key-1","value":"5DhnNqOqdmnThocres+PHqNQJUWV1CoJAk3m02cIGNO5a3OfD91FaUZOEQ2ngJBj7ebP+2Dc5gzjWfREcv5zBg=="}},"rule":"In state HYBRID the set verifies only if both signatures verify under the keys named in the DID document.","did_document":"https://alphacovenantholdings.com/api/vc/did.json","states":"https://alphacovenantholdings.com/api/public/cryptography"},"verification":{"state":"HYBRID","set_present":true,"ml_dsa_65_valid":true,"ed25519_valid":true,"set_valid":true,"hash_checked":"50cddea22a667ba89e129a3471aa79ce460ab0eab6c826098ced46b394e3bfc8","note":"Ed25519 + ML-DSA-65, both detached over the ASCII bytes of the receipt's SHA-256 hex. Verification of the set succeeds only if BOTH verify. A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only. Receipts registered before the signature set existed carry no set; their SHA-256, transparency-log inclusion, SLH-DSA archive checkpoint and OpenTimestamps anchor still verify.","HYBRID":"Ed25519 + ML-DSA-65, both detached over the ASCII bytes of the receipt's SHA-256 hex. Verification of the set succeeds only if BOTH verify. A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so.","PQC_ONLY":"ML-DSA-65 only; Ed25519 no longer issued. Target state — by policy no later than 2031-12-31 (the OMB M-26-15 digital-signature date for agencies' covered systems); earlier if a break in Ed25519 is published."},"state_now_for_new_receipts":"HYBRID","how_to_verify_offline":"data = ASCII bytes of sha256; ML-DSA-65.verify(pk_pq, data, b64decode(signature.value)); Ed25519.verify(pk_ed, b64decode(signature.hybrid_classical.value), data); keys at /api/vc/did.json.","what_it_attests":"That this hash was registered by this platform at this time. It attests nothing about the party named in the receipt and is not a certification of anything."}