{"copyright_id":"0xf89882ea73b3a1aa3b980a08daaf3e8e02f7a8371c7d5ec6bebcdb5cab817ede","name":"Evening Jazz Environments","registered_at":"2026-06-16T02:52:35Z","symbol":"NIM0914597","token_address":"0xa4fd6e4ecaad42c8f7e98eb26ff3976a81b9b0ca","type":"artist","uuid":"26606670-b8f6-463e-a04c-eafc44ee089e"}
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 0xf89882ea73b3a1aa3b980a08daaf3e8e02f7a8371c7d5ec6bebcdb5cab817ede. Chain 2 (Bitcoin): anchored in block 953954 (2026-06-16T14:18:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/26606670-b8f6-463e-a04c-eafc44ee089e.json and https://artists.proofprofile.net/proofs/artist/26606670-b8f6-463e-a04c-eafc44ee089e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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