{"copyright_id":"0xc66b2f2cac2b2e8f54fab04ba65d3eaf84e01b2fef49b36ef6e7ddd7882be7b9","name":"Peceful Waters","registered_at":"2026-06-12T01:14:37Z","symbol":"NIM0153489","token_address":"0x9db9fc95d2fee0b0c39ca0b94adb959dfadd3193","type":"artist","uuid":"75bd7b2d-b78d-4c8f-a051-b48931bfc8f6"}
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 0xc66b2f2cac2b2e8f54fab04ba65d3eaf84e01b2fef49b36ef6e7ddd7882be7b9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/75bd7b2d-b78d-4c8f-a051-b48931bfc8f6.json and https://artists.proofprofile.net/proofs/artist/75bd7b2d-b78d-4c8f-a051-b48931bfc8f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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