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 0xd5f9999e80377a0b17e158a99295f4709de67a3d8f62f2fd225dcf401091853d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b0dbe1b6-a335-4b6c-963b-794e855c96be.json and https://artists.proofprofile.net/proofs/artist/b0dbe1b6-a335-4b6c-963b-794e855c96be.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Strolling on the Champs Elysées - Light Underscore
Strolling on the Champs Elysées - Solo Accordion Version
Shopping in St Germain - Light Underscore
Shopping in St Germain - Solo Accordion Version
Old Flame de Montmartre - Light Underscore
Old Flame de Montmartre - Solo Accordion Version
Old Flame de Montmartre - Barrel Organ Version
Old Flame de Montmartre - Barrel Organ Version, Light Underscore
Old Flame de Montmartre - Solo Barrel Organ Version
Java de Bastille - Solo Accordion Version
Monsieur le commissaire - Solo accordion version
In Paris and in Love - Solo Piano Version
In Paris and in Love - Solo Accordion Version
Let's Go for Lunch - Solo Accordion Version
Circus Boulevard - Solo Accordion Version
Paris accordéon - Solo accordion version
The Artist's Accordéon - Solo Piano Version
The Artist's Accordéon - Solo Accordion Version
Harry's Bar Boogie - Solo Accordion Version
Charleston De Joséphine - Light Underscore