1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7430a62dca4a0f6f5c6aa3139f4bd50f328c6b63823de7d017f17838fc34d5f5. Chain 2 (Bitcoin): anchored in block 953777 (2026-06-15T11:52:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cfd6fc80-521c-4a15-aa78-165c5bb3dc77.json and https://artists.proofprofile.net/proofs/artist/cfd6fc80-521c-4a15-aa78-165c5bb3dc77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Blow My Mind (Bitches Cars Clothes & Money)
Society Music Recordings Presents ADE 2016
No Ordinary Music - Amsterdam 2017 Edition -