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 0x66463923b0352c09fc14656ec04e7b99bb9d6bfda4dddd8aed01a2a7878b12e7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0976bc5-161f-455a-b406-776a303aa4e4.json and https://artists.proofprofile.net/proofs/artist/f0976bc5-161f-455a-b406-776a303aa4e4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Duke Of Burgundy (Original Motion Picture Soundtrack)
Opening Credit Song - The Duke of Burgundy
The Duke of Burgundy (Original Soundtrack Album)
When My Baby Comes: Cat's Eyes With Luke Tristram - Remix