{"receipt_id":"r_4354b9a6854041c2","sha256":"59aa6062c5a8b18c3d018b702920627a69709119dcbdfe2c9fbaa43ad50bbfb4","created_at":"2026-10-27T22:58:59.123130+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-27T22:58:59Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"59aa6062c5a8b18c3d018b702920627a69709119dcbdfe2c9fbaa43ad50bbfb4"},"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":"DLbtI2nDFKHPIN2z6ecPRHwS0NWDoJTNBo2BVqXpwABKithtTsyF2UUUgYsNR+VgTgJ5MLMlIl21nuEyNzcWCA=="}},"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":"59aa6062c5a8b18c3d018b702920627a69709119dcbdfe2c9fbaa43ad50bbfb4","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}