{"copyright_id":"0xc275a68ccb35cfcdd5c4d2bd50e5222f395b953ceb3df133e4f26ed5f919475a","name":"Rene Muller","registered_at":"2026-06-20T16:12:55Z","symbol":"NIM1651597","token_address":"0x3a8e9f27b8efd47fb5f31cccb1f1a9da4d77249a","type":"artist","uuid":"b9ce574c-ec2c-4fed-bbfc-bc43ebdda50c"}
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 0xc275a68ccb35cfcdd5c4d2bd50e5222f395b953ceb3df133e4f26ed5f919475a. Chain 2 (Bitcoin): anchored in block 954587 (2026-06-20T19:10:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b9ce574c-ec2c-4fed-bbfc-bc43ebdda50c.json and https://artists.proofprofile.net/proofs/artist/b9ce574c-ec2c-4fed-bbfc-bc43ebdda50c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).