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 0xac1543b87c7845755b6abf83a14a7b2de2712dcb82269ea2e59c77ac4de992d9. 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/a5e9bfa5-ff77-4584-a703-f56bd6a18b4a.json and https://artists.proofprofile.net/proofs/artist/a5e9bfa5-ff77-4584-a703-f56bd6a18b4a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Prefacio: The Music Of Cheo Feliciano (Live At Dizzy's Club, NY)
Medley: Pa' Que Afinquen / Salomé / Anacaona (feat. Oscar Hernandez, Nelson González & John Dandy Rodriguez) - Live
Medley: Pa' Que Afinquen / Salomé / Anacaona - Live
Prefacio: The Music of Cheo Feliciano (Live at Dizzy's Club, NY)
Pa' Que Afinquen / Salomé / Anacaona - Live