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 0x567c616b6ba983a8df07378608889941b7ed74f889ebcf0a6557d7b211f3e94e. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99a1bfbf-0590-418a-b223-5d41c9ad24cc.json and https://artists.proofprofile.net/proofs/artist/99a1bfbf-0590-418a-b223-5d41c9ad24cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sometimes I Feel Like a Motherless Child
La belle vie pour Maurice - En hommage à Maurice Culaz
Gérard Pierron chante Gaston Couté (Rétrospective 1977-2008)
Je n'ai rien refusé de la tendresse humaine
DDM - Distance, Doubts & Misunderstanding
To Be or Not to Bop (pour les mômes du Hip-Hop)
Tribute to Hammond Made In France (Vol. 1)