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 0xbd4e7a93dc9eed65bded7c821f70bb6d11c24934dddb4d37574cec1955df0fda. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94902380-cae4-415e-b972-3fc18f6a5647.json and https://artists.proofprofile.net/proofs/artist/94902380-cae4-415e-b972-3fc18f6a5647.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Barrios de Mi Tierra (Canciones de Rubén Blades)
Los Recuerdos de Mi Vida - Versión Acústica
Angelito de Ojos Negros - Versión Acústica
Ave María - Versión Acústica - Bonus Track
Rabanes And Friends Desde el Teatro Nacional de Panama