{"copyright_id":"0x357c3f35d660f4279a1098789f96dfb659cf8cee735f8fb8d7faafe4bc8acfaf","name":"Study Music For ADHD Focus","registered_at":"2026-06-17T17:38:02Z","symbol":"NIM1469401","token_address":"0xb6a83706b3b5c596add4d3cc3420943edd2b6bf3","type":"artist","uuid":"94fe8b6a-feab-4ef3-90ff-066fdb27045a"}
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 0x357c3f35d660f4279a1098789f96dfb659cf8cee735f8fb8d7faafe4bc8acfaf. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94fe8b6a-feab-4ef3-90ff-066fdb27045a.json and https://artists.proofprofile.net/proofs/artist/94fe8b6a-feab-4ef3-90ff-066fdb27045a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).