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 0x615a9cd2106f0c45b51a4ba185f2f6753ef315b9257f0e40a101cad965a52a33. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e1ec6ab9-a8b5-457a-9dc7-a0e64c2ba7b4.json and https://artists.proofprofile.net/proofs/artist/e1ec6ab9-a8b5-457a-9dc7-a0e64c2ba7b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chansons bonnes ou mauvaises (Live, Mono Version)
Les chansons cultes de Jean Yanne (12 tubes)
Les comiques de la chanson française : Jean Yanne
Tout le monde il est beau, tout le monde il est gentil
Twist Again au ciné, Vol. 2 (La revanche) [Bandes originales de films]