{"receipt_id":"r_ce33976400fa4ac2","sha256":"e8af5b9dc291fd4a5fe08eadfc1531e25d99c2d9462985b9b455f6880313fdba","created_at":"2026-10-26T21:06:49.192591+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T21:06:49Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"e8af5b9dc291fd4a5fe08eadfc1531e25d99c2d9462985b9b455f6880313fdba"},"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":"5osYPc+wS3iOihBc0kN6tSVjsO2AEGj6tsVf/a0MTscI2h5DvZ4AmfKiATEpZ09I5UWWBe7b93w/KjDfYMYOBA=="}},"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":"e8af5b9dc291fd4a5fe08eadfc1531e25d99c2d9462985b9b455f6880313fdba","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}