{"receipt_id":"r_adf6a7c002824a4a","sha256":"73a4ae6857665ec211a1397eb396acb9c49763f8ec6be599f6c74ef18e4a8121","created_at":"2026-10-26T20:11:55.428824+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T20:11:55Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"73a4ae6857665ec211a1397eb396acb9c49763f8ec6be599f6c74ef18e4a8121"},"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":"v6/+ClZERzTFEqV41CxNHpv/2y4CGzU8Iagc604uTU8VEuyz17ugdtfFdyTKBTgeA8Vyi/NwwV7MgFpz9mXWAQ=="}},"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":"73a4ae6857665ec211a1397eb396acb9c49763f8ec6be599f6c74ef18e4a8121","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}