{"receipt_id":"r_064831b51f3e4926","sha256":"6101c5c57f6ae6358a0599b5302b00fd32106093f5d48c67b4e6a7fe2a857dbd","created_at":"2026-10-26T21:05:57.593517+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T21:05:57Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"6101c5c57f6ae6358a0599b5302b00fd32106093f5d48c67b4e6a7fe2a857dbd"},"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":"/CQCABIr1aTosS2U649Jpz/oHH0Swfy2eHCr1bgy9ICj06ovoUrnh3cnFOSd28a3orjuuLQi+Y46bTYvKtvJCA=="}},"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":"6101c5c57f6ae6358a0599b5302b00fd32106093f5d48c67b4e6a7fe2a857dbd","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}