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 0x2a5bcaa36c9b731b0ef9d9c9758ba8a9c5dda780915968cc4e4e2e817ecf7cd1. 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/91beee26-98a2-4887-ae26-7e0959b1b25e.json and https://artists.proofprofile.net/proofs/artist/91beee26-98a2-4887-ae26-7e0959b1b25e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Strauss, Poulenc, & Rihm: Werke für Violoncello und Klavier
Cello Sonata in F Major, Op. 6, TrV 115: I. Allegro con brio
Cello Sonata in F Major, Op. 6, TrV 115: II. Andante ma non troppo
Cello Sonata in F Major, Op. 6, TrV 115: III. Finale. Allegro vivo
Cello Sonata, FP 143: I. Allegro. Tempo di marcia
2 Poèmes de Louis Aragon, FP 122: No. 1, C (Arr. B. Kloeckner for Cello & Piano)
Cello Sonata in G Minor, Op. 65: I. Allegro moderato
Cello Sonata in G Minor, Op. 65: II. Scherzo
Cello Sonata in G Minor, Op. 65: III. Largo
Cello Sonata in G Minor, Op. 65: IV. Finale, Allegro
Andantino quietoso in E-Flat Major, FWV 5, Op. 6
Violin Sonata in A Major, FWV 8: I. Allegro ben moderato
Violin Sonata in A Major, FWV 8: II. Allegro
Violin Sonata in A Major, FWV 8: III. Ben moderato
Violin Sonata in A Major, FWV 8: IV. Allegretto poco mosso
Introduction et polonaise brillante in C Major, Op. 3: I. Lento-Allegro con spirit
Fantasiestücke, Op. 73: No. 1, Zart und mit Ausdruck
Fantasiestücke, Op. 73: No. 2, Lebhaft, leicht
Fantasiestücke, Op. 73: No. 3, Rasch und mit Feuer
Cello Sonata in D Minor, Op. 40: I. Allegro non troppo
Cello Sonata in D Minor, Op. 40: II. Allegro
Cello Sonata in D Minor, Op. 40: III. Largo
Cello Sonata in D Minor, Op. 40: IV. Allegro
Adagio & Allegro, Op. 70: Ia. Adagio. Langsam, mit innigem Ausdruck
Adagio & Allegro, Op. 70: Ib. Allegro. Rasch und feurig
Variations on a Slovak Folk Song, H. 378 (Version for Cello & Piano): Thema
Variations on a Slovak Folk Song, H. 378 (Version for Cello & Piano): Var. 1
Variations on a Slovak Folk Song, H. 378 (Version for Cello & Piano): Var. 2
Variations on a Slovak Folk Song, H. 378 (Version for Cello & Piano): Var. 3
Variations on a Slovak Folk Song, H. 378 (Version for Cello & Piano): Var. 4
Variations on a Slovak Folk Song, H. 378 (Version for Cello & Piano): Var. 5
5 Stücke im Volkston, Op. 102: No. 1, Mit Humor
5 Stücke im Volkston, Op. 102: No. 2, Langsam
5 Stücke im Volkston, Op. 102: No. 3, Nicht schnell, mit viel Ton zu spielen
5 Stücke im Volkston, Op. 102: No. 4, Nicht zu rasch
5 Stücke im Volkston, Op. 102: No. 5, Stark und markiert
Triple Concerto in C Major, Op. 56: III. Rondo alla Polacca
Suite No. 1 in G Major, BWV 1007: I. Prélude
Concerto for 2 Cellos in G Minor, RV 531
Péchés de vieillesse, Vol. 9: No. 10, Une larme
Introduction & Variations on Rossini's Dal tuo stellato soglio in F Minor, Op. 24, MS 23 "Mosè-Fantasia"
Cello Sonata in G Minor, Op. 19: III. Andante
Piano Trio in G Minor, Op. 17: I. Allegro moderato
Piano Trio in G Minor, Op. 17: II. Scherzo. Tempo di Menuetto
Piano Trio in G Minor, Op. 17: III. Andante - più animato
Piano Trio in G Minor, Op. 17: IV. Allegretto
Strauss, Poulenc, & Rihm: Werke für Violoncello und Klavier (Movimentos Edition)
Cello Sonata in F Major, Op. 6, TrV 115: III. Finale: Allegro vivo
Cello Sonata, FP 143: I. Allegro: Tempo di marcia