{"copyright_id":"0x2edad7ee7f9eecb0df82bb2623bbacb36efe672bb5e066cf0473d7518be09209","name":"Chorale Peace&Love","registered_at":"2026-06-20T17:06:09Z","symbol":"NIM1661119","token_address":"0x53010c2a6f2cdf22194b6cdce2d43fe1e520efc6","type":"artist","uuid":"bb3c1b97-def1-43d8-bc3c-7da1fb0ff947"}
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 0x2edad7ee7f9eecb0df82bb2623bbacb36efe672bb5e066cf0473d7518be09209. 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/bb3c1b97-def1-43d8-bc3c-7da1fb0ff947.json and https://artists.proofprofile.net/proofs/artist/bb3c1b97-def1-43d8-bc3c-7da1fb0ff947.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).