Rob Gardner, Spire Chorus & London Symphony Orchestra, Sharon Hopkins
{"copyright_id":"0x7f6acf1da9bb6e2ce133dd7b0485d1ec5b41a2ff825cff3351ba726598167f25","name":"Rob Gardner, Spire Chorus & London Symphony Orchestra, Sharon Hopkins","registered_at":"2026-06-16T07:39:54Z","symbol":"NIM0983214","token_address":"0x386d204f0e7680e62a41cbdb65796bea4d35f883","type":"artist","uuid":"3419c9f1-e5f5-4442-b3b9-d60d489db1a7"}
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 0x7f6acf1da9bb6e2ce133dd7b0485d1ec5b41a2ff825cff3351ba726598167f25. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3419c9f1-e5f5-4442-b3b9-d60d489db1a7.json and https://artists.proofprofile.net/proofs/artist/3419c9f1-e5f5-4442-b3b9-d60d489db1a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).