{"receipt_id":"r_ced76173aee54701","sha256":"bfe6e5d2af993e6ef8d05af2fbc25b1a952c87be88a04ee0b2714e70d5b706a3","created_at":"2026-10-25T17:44:53.119063+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-25T17:44:53Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"bfe6e5d2af993e6ef8d05af2fbc25b1a952c87be88a04ee0b2714e70d5b706a3"},"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":"fcdlE06lmyRuINrdZlCHnqC/B16nifqp0ewnqad/hQ1y7Sj3BjKY722LkFTbWSUSOc5WuCbX1C+b4YD8NqDCDg=="}},"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":"bfe6e5d2af993e6ef8d05af2fbc25b1a952c87be88a04ee0b2714e70d5b706a3","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}