{"receipt_id":"r_a125f85fb71f4028","sha256":"2620e14a24617e670ff499f912d7bc21aadffb85428d2ae4cbfbd94483a6aa38","created_at":"2026-10-27T23:03:04.491340+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-27T23:03:04Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"2620e14a24617e670ff499f912d7bc21aadffb85428d2ae4cbfbd94483a6aa38"},"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":"lpyS1jeMTT8ZJ1WpbT6mV/F0a8Kw8TTtLPjdRbLZu60zRU9PXluKyIQFdFrP0HQUr6xy/JbGP/c4z4uoOizVAw=="}},"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":"2620e14a24617e670ff499f912d7bc21aadffb85428d2ae4cbfbd94483a6aa38","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}