{"receipt_id":"r_cc91306677764986","sha256":"5172188969df9949f4978a8ec8518d9eb4a8c5d39195a6f17a6e0f4e2d2ec00e","created_at":"2026-10-27T23:00:05.315833+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-27T23:00:05Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"5172188969df9949f4978a8ec8518d9eb4a8c5d39195a6f17a6e0f4e2d2ec00e"},"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":"tTd9j2nWepPbOndlTyPVVwq1AR96xOeRRPUzROflhJFGOh65GjbBz2G4DR+lmq57soStKELuKhZioKehA4jMCA=="}},"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":"5172188969df9949f4978a8ec8518d9eb4a8c5d39195a6f17a6e0f4e2d2ec00e","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}