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 0xc901a3d81364d961b38d5571f9dfcc5c74b133d6589d2e62cfd61ed9e9a869ff. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e01258f5-a8ad-40f3-9ca8-26228a07b56a.json and https://artists.proofprofile.net/proofs/artist/e01258f5-a8ad-40f3-9ca8-26228a07b56a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
String Octet in D Major, Op. 5: I. Allegro moderato
String Octet in D Major, Op. 5: II. Allegro
String Octet in D Major, Op. 5: III. Andante
String Octet in D Major, Op. 5: IV. Allegro assai
Piano Quintet in F-Sharp Minor: I. Molto agitato e con fuoco
Piano Quintet in F-Sharp Minor: II. Andante (non troppo lento)
Piano Quintet in F-Sharp Minor: III. Allegretto grazioso
2 Pieces for String Octet, Op. 11: No. 1, Prelude
2 Pieces for String Octet, Op. 11: No. 2, Scherzo
String Quartet in E Minor: II. Andantino
String Quartet in E Minor: III. Prestissimo
String Quartet in E Minor: IV. Scherzo: Fuga - Allegro assai moto
String Quartet No. 10 in E-Flat Major, B. 92: I. Allegro ma non troppo
String Quartet No. 10 in E-Flat Major, B. 92: II. Dumka (Elegia). Andante con moto - Vivace
String Quartet No. 10 in E-Flat Major, B. 92: III. Romanza. Andante con moto
String Quartet No. 10 in E-Flat Major, B. 92: IV. Finale. Allegro assai
2 Interludes: I. Andante Expressivo - Live
Winds & Strings: Spohr, Ibert, Janacek & Widmann (Live)
Cantilène at Danse for Violin, Saxophone and Piano: I. Allegro moderato
Cantilène at Danse for Violin, Saxophone and Piano: II. Andante
Keyboard Concerto in D Minor, BWV 1052: I. Allegro
Piano Quintet in G Minor, Op. 8: I. Allegro energico
Suk: Piano Quintet in G Minor, Op. 8 & Životem a snem, Op. 30
Piano Quintet in G Minor, Op. 8: II. Adagio religioso
Piano Quintet in G Minor, Op. 8: III. Scherzo. Presto
Piano Quintet in G Minor, Op. 8: IV. Finale. Allegro con fuoco