{"receipt_id":"r_34bf80a1cb4c41c5","sha256":"f8fda1e85f69e39825bfed65c55bfff43ffb72434add855591827d73546cd654","created_at":"2026-10-25T04:04:39.594332+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-25T04:04:39Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"f8fda1e85f69e39825bfed65c55bfff43ffb72434add855591827d73546cd654"},"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":"khtHDn3TjkoJjarNGkn+7alHO/EE0hU5On58YkOyddbgle0deb03GzBFI/K3JR8gQJM6vHrbvvs2Xe8h3686CQ=="}},"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":"f8fda1e85f69e39825bfed65c55bfff43ffb72434add855591827d73546cd654","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}