Dan Jolley is an American novelist and comic book writer. His comics work includes DC Comics' Firestorm and Graphic Universe's Twisted Journeys, a series of interactive fiction or gamebooks in graphic
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d57da0a6c61378e7b8cad45e9d607f43fbf4c614dca28f92371437872d0cc3c. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/671f3ee9-d7fa-42e6-8982-74e94c9a2e5c.json and https://artists.proofprofile.net/proofs/artist/671f3ee9-d7fa-42e6-8982-74e94c9a2e5c.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
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