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 0x0d96c73cc40e8fa8be5206132a591b784c90508039e4cb03200814f90eb497fc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9037aa95-c4a8-4dfe-8246-e9bfe4ae2949.json and https://artists.proofprofile.net/proofs/artist/9037aa95-c4a8-4dfe-8246-e9bfe4ae2949.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Blues Had a Baby (They Called It Rock'n'roll)
The blues had a Baby (They called It Rock’N’Roll)
We´re Goin´Down the Swan (on a Sunday Night)
Don't Buy Me a Rose When I'm Dead and Gone
Like the Red Wine (She's Been Better of the Years)