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 0x58a99f09f3f33055dc42a00195c1f4ff84813d9db4fe573d0e5e1c9063efa730. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69d5e3aa-d591-4fbe-a6e4-d261021fef03.json and https://artists.proofprofile.net/proofs/artist/69d5e3aa-d591-4fbe-a6e4-d261021fef03.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Leprest Symphonique: Les derniers enregistrements d'Allain
Tout c' qu' est dégueulasse porte un joli nom - Live
Les rois du Slow-Biz / 30 ans de Saravah
Dominique Cravic et Les Primitifs Du Futur
Les filles sont nues sous leurs vêtements