{"receipt_id":"r_cc9781a67edf4f52","sha256":"63c0cb558be00b230ab614babc29ef305ec72658e77b42c0fc190f9eb2b57288","created_at":"2026-10-26T21:06:02.515080+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T21:06:02Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"63c0cb558be00b230ab614babc29ef305ec72658e77b42c0fc190f9eb2b57288"},"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":"tm8HPWRPh6z3ZxhwnAUU59n1sQg6x8/dUZXW9hGp6rFSlke8Jw79bEEDQU8j/z1Xdc3Pcw348dTsc1J/sJ05Dw=="}},"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":"63c0cb558be00b230ab614babc29ef305ec72658e77b42c0fc190f9eb2b57288","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}