{"copyright_id":"0x8c774cb8a558e12bb8f472e0e79e1d69db39712779b3798f1a7fccf8564b23e5","name":"Katakura High School Wind Orchestra","registered_at":"2026-06-21T14:38:36Z","symbol":"NIM1948683","token_address":"0x60c0b573da642c9f0b33bfb9bb7ea0e5f3a3f69c","type":"artist","uuid":"f4bf1e0e-fbb9-426b-bed7-f70df2fb00b4"}
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c774cb8a558e12bb8f472e0e79e1d69db39712779b3798f1a7fccf8564b23e5. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f4bf1e0e-fbb9-426b-bed7-f70df2fb00b4.json and https://artists.proofprofile.net/proofs/artist/f4bf1e0e-fbb9-426b-bed7-f70df2fb00b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).