{"receipt_id":"r_01cc70f847c14289","sha256":"5958cff392b1a077f946d3fbedbeaf22c016d61fc6140439fbd0752cf28c18a2","created_at":"2026-10-27T23:01:30.479004+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-27T23:01:30Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"5958cff392b1a077f946d3fbedbeaf22c016d61fc6140439fbd0752cf28c18a2"},"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":"SnlM4M39Ov5spmQrbdxk1DcX4v3P2c2AzT3+wtF4NOFyyIXsarAIAsF/xS16ofsG3PeOHbhkYTCWzLh0FZ/qDA=="}},"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":"5958cff392b1a077f946d3fbedbeaf22c016d61fc6140439fbd0752cf28c18a2","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}