{"copyright_id":"0x9ef48f2e9dec8b29e4b7e5b5954790f56ef1317e89b8a019d298f27bca6dbd61","name":"Kikutaro Takahashi","registered_at":"2026-06-16T16:52:24Z","symbol":"NIM1115033","token_address":"0xf3fbb63a4b8eabee6a5a58ff2dd320d9e8beff85","type":"artist","uuid":"4e651e9a-07df-4ed0-a7f8-bcf05da422ed"}
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 0x9ef48f2e9dec8b29e4b7e5b5954790f56ef1317e89b8a019d298f27bca6dbd61. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4e651e9a-07df-4ed0-a7f8-bcf05da422ed.json and https://artists.proofprofile.net/proofs/artist/4e651e9a-07df-4ed0-a7f8-bcf05da422ed.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).