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 0x0e0d3c31c9faf792d6bec2458ee3ec098ff91848d6d363ae5108c1000258765c. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08623f4a-c384-4557-88bb-07c82bacd203.json and https://artists.proofprofile.net/proofs/artist/08623f4a-c384-4557-88bb-07c82bacd203.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
My, My, Darling / I Need Your Tenderness
The Chanters Meet the El Dorados Doo Wop
Favorites of The Chanters and The El Dorados
Speak Easy - The Rpm Records Story Vol. 2 1954-57