{"receipt_id":"r_237b54eb62364940","sha256":"12c600ea671d3423cf00092ae9229e24282062430bc6cafc80745a861c83e50b","created_at":"2026-10-26T21:05:21.313922+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-26T21:05:21Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"12c600ea671d3423cf00092ae9229e24282062430bc6cafc80745a861c83e50b"},"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":"ofoYw36JH5s9ZWu2c+ChOYWtxADvpNp/aNQy/xJEBdyhZPqULTqWRsZ4GsqolSijdAZWujsh6lsTGRS4FVryCw=="}},"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":"12c600ea671d3423cf00092ae9229e24282062430bc6cafc80745a861c83e50b","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}