{"receipt_id":"r_46ae20a68cb44cb2","sha256":"09a315899e4a4f4b13be5e6cba356216bbe03ffd64941db0cd80a491c046ce52","created_at":"2026-10-27T23:01:05.692601+00:00","signature_set":{"schema":"receipt-signature-set/v1","state":"HYBRID","signed":"ascii bytes of the SHA-256 hex digest","signed_at":"2026-10-27T23:01:05Z","hash":{"algorithm":"SHA-256","standard":"FIPS 180-4","value":"09a315899e4a4f4b13be5e6cba356216bbe03ffd64941db0cd80a491c046ce52"},"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":"LV0ASPEdOTFP1bvUX19MBwoTfeASGLDAbBwTxreazJqdFi9+hduBfqemGmTwB5r2AjCu/BszjAFBUkkZeqlNCA=="}},"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":"09a315899e4a4f4b13be5e6cba356216bbe03ffd64941db0cd80a491c046ce52","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 A verifier that does not know ML-DSA may check the Ed25519 signature alone and must say so."},"withdrawn":false,"states":{"CLASSICAL_ONLY":"Ed25519 only.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."}