{"copyright_id":"0x72afc313bb001c9a9ed7afec0a089872827987bb5fecbbc9c2656e08eb9dd5f5","name":"Children Background Music Paradise","registered_at":"2026-06-17T08:42:44Z","symbol":"NIM1341752","token_address":"0xf79da9feab6fdf65e6d5133f01fe6730c446548c","type":"artist","uuid":"7b8d9d3e-59e1-450c-8b71-38eaeea628fa"}
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 0x72afc313bb001c9a9ed7afec0a089872827987bb5fecbbc9c2656e08eb9dd5f5. Chain 2 (Bitcoin): anchored in block 954124 (2026-06-17T18:22:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7b8d9d3e-59e1-450c-8b71-38eaeea628fa.json and https://artists.proofprofile.net/proofs/artist/7b8d9d3e-59e1-450c-8b71-38eaeea628fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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