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 0xb1d2c4a4e1ac936c2c08cbd2a96048cac827098bb27682fd12a5a25069cda8fb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5eafd766-8d14-4c35-8914-537c257f18f9.json and https://artists.proofprofile.net/proofs/artist/5eafd766-8d14-4c35-8914-537c257f18f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chopin Nocturne in C-Sharp Minor, Op. 27, No. 1 (Arr. for Piano by N. LaViolette)
Chopin Nocturne in E Major, Op. 62, No. 2 (Arr. for Piano by N. LaViolette)
Mozart Sonata No. 2 in F Major, K. 280: II. Adagio (Arr. for Piano by N. LaViolette)
Leo Toccata No. 3 in G Minor (Arr. for Piano by N. LaViolette)
Vivaldi Winter: II. Largo (Arr. for Piano by N. LaViolette)
Bach French Suite No. 6 in E Major, BWV 817: 3: Sarabande (Arr. for Piano by N. LaViolette)
Bach French Suite No. 6 in E Major, BWV 817: 3: Sarabande - Arr. for Piano by N. LaViolette