{"receipt_id":"r_601b4352f2554552","sha256":"6f3d388fc4d3d9d88999c66e609e5bddefe0ec988f39c199ea27a2ea5e775ee5","created_at":"2026-10-27T23:00:56.590229+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-27T23:00:56Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"6f3d388fc4d3d9d88999c66e609e5bddefe0ec988f39c199ea27a2ea5e775ee5"},"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":"WV45eItpBFVMA+c6wdldjp+T/uecDSWGKroOu15yjBlJwWkeFCdL0XbwybzwnpdHFz5k86JZ3Ck9j2N4yOcIBA=="}},"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":"6f3d388fc4d3d9d88999c66e609e5bddefe0ec988f39c199ea27a2ea5e775ee5","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}