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 0x9e38869fdf7a0c799b107a689b5e58d19396f677e443594f64598ec28bf8e796. Chain 2 (Bitcoin): anchored in block 953612 (2026-06-14T08:22:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/171574e3-bbf2-4a38-b93f-1b7f8d13d36c.json and https://artists.proofprofile.net/proofs/artist/171574e3-bbf2-4a38-b93f-1b7f8d13d36c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Estives musicales sur l'orgue de Louvie-Juzon
Works for organ and keybords: Ballet du grand duc
Works for organ and Keybords: Chaconne P.43
Messe pour les paroisses: Cromorne en taille
Orgelbüchlein: Christ lag in Todesbanden BWV 718
Orgelbüchlein: Choral Ich ruf zu dir BWV 639
Organ works: Toccata et fugue D-Moll BWV 565
Grand dialogue (Troisième livre d'orgue)
Tres Siglos de Música Europea para Clave (Three Centuries of European Music for Harpsichord)