{"receipt_id":"r_5d828062dea443ea","sha256":"85215377bdc0697aa125310024cab84207e34db0e46e7345d4c0a1f63b35e995","created_at":"2026-10-25T18:47:38.744125+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-25T18:47:38Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"85215377bdc0697aa125310024cab84207e34db0e46e7345d4c0a1f63b35e995"},"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":"oke7eLfPssfrrtK8DZrP82dYzZiVuqpZTqqFYptGqOXwqE3pGfownZeAJ1OUk/dwA/3s2EfzMNH6KbbdoxVQDA=="}},"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":"85215377bdc0697aa125310024cab84207e34db0e46e7345d4c0a1f63b35e995","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}