{"receipt_id":"r_06122badc06f4f28","sha256":"bc298f8cd09980c1f5ff77e9b13503ba334bb56ada2e2ecd08c4891b8993f1fa","created_at":"2026-10-25T10:05:18.312879+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-25T10:05:18Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"bc298f8cd09980c1f5ff77e9b13503ba334bb56ada2e2ecd08c4891b8993f1fa"},"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":"l8kS9Z1l42/UZWLP53J7o72owGH01VfQ1wov17Lkxnf89oZBTr/yjMg7nUWKsCrjD71Yg2lGGTGbsPmlO9dvAw=="}},"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":"bc298f8cd09980c1f5ff77e9b13503ba334bb56ada2e2ecd08c4891b8993f1fa","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}