{"receipt_id":"r_374645aae5384891","sha256":"14654bcb64deb0442fb951ec42a9855c4ca4bc86f996998a58bb712793b768e8","created_at":"2026-10-26T22:03:25.484266+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T22:03:25Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"14654bcb64deb0442fb951ec42a9855c4ca4bc86f996998a58bb712793b768e8"},"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":"XENo9aiGXfmX5mP9zQKd67aQ3PdpU6wr28POyTibuvSNa82nsITVgBd6BhrgMsqNzktyCMFkgPLffl6/LVK+Cw=="}},"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":"14654bcb64deb0442fb951ec42a9855c4ca4bc86f996998a58bb712793b768e8","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}