{"copyright_id":"0x0240acceabf534288d7ac4af91aad7d3ba0604ffdd21e4263bcd3d3d34c6e121","name":"Yasmine Liverneaux","registered_at":"2026-06-20T11:15:44Z","symbol":"NIM1600207","token_address":"0xdf84b99ba13c5a8295cb5a29bea04b1d13aa4e8d","type":"artist","uuid":"aec189cf-782b-44ae-bdcf-4e7eedbf1bbd"}
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 0x0240acceabf534288d7ac4af91aad7d3ba0604ffdd21e4263bcd3d3d34c6e121. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aec189cf-782b-44ae-bdcf-4e7eedbf1bbd.json and https://artists.proofprofile.net/proofs/artist/aec189cf-782b-44ae-bdcf-4e7eedbf1bbd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).