{"copyright_id":"0x81b64bbdafbdf4c0e4cd58d85ce5cec97d7fbf0301fe725e9cb35bfa0630a7e3","name":"The Sister Cabaret Ensemble","registered_at":"2026-06-15T23:04:02Z","symbol":"NIM0859999","token_address":"0xba044b4bfd83b50c00bd0d453629d9898e4cc1e4","type":"artist","uuid":"1ba3aa21-dfce-4067-9510-84d2dd2842bc"}
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 0x81b64bbdafbdf4c0e4cd58d85ce5cec97d7fbf0301fe725e9cb35bfa0630a7e3. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ba3aa21-dfce-4067-9510-84d2dd2842bc.json and https://artists.proofprofile.net/proofs/artist/1ba3aa21-dfce-4067-9510-84d2dd2842bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).