{"copyright_id":"0xe8bc9dcce84a5b43aa7dd7c580d169fc6fe80821cbf747fe77bec8b07ea7acb7","name":"Riku Niemi Orchestra","registered_at":"2026-06-20T04:38:07Z","symbol":"NIM1514498","token_address":"0x4a61f32c52ad3ad373bc9cbf7ce69eff73fd6ccb","type":"artist","uuid":"9e9cb163-dea8-45c4-99b8-02dbb85032f4"}
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 0xe8bc9dcce84a5b43aa7dd7c580d169fc6fe80821cbf747fe77bec8b07ea7acb7. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e9cb163-dea8-45c4-99b8-02dbb85032f4.json and https://artists.proofprofile.net/proofs/artist/9e9cb163-dea8-45c4-99b8-02dbb85032f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).