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 0x89d3e754aab695389ec1751ba03662e31a2e84b3e41b114b3f663184f0baac63. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1cbef619-caa1-4d1b-8398-b2c5f03cb461.json and https://artists.proofprofile.net/proofs/artist/1cbef619-caa1-4d1b-8398-b2c5f03cb461.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Who Stole the Lock off the Henhouse Door?
Where the Blues Were Born in New Orleans