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 0xfe886099fb4f5078fd94e1894d896518f2879fc9f989d841314e9e9232537a0d. 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/c662b135-94d9-4e84-a7e6-a6edcd5d48dd.json and https://artists.proofprofile.net/proofs/artist/c662b135-94d9-4e84-a7e6-a6edcd5d48dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Françaix, Schnyder & Others: Chamber Music
Trio for Oboe, Bassoon & Piano: I. Adagio - Allegro moderato
Trio for Oboe, Bassoon & Piano: II. Scherzo
Trio for Oboe, Bassoon & Piano: III. Andante
Trio for Oboe, Bassoon & Piano: IV. Finale
Suite symphonique for Oboe & Bassoon: I. Arabesque
Suite symphonique for Oboe & Bassoon: II. Berceuse
Suite symphonique for Oboe & Bassoon: III. Humoresque
Suite symphonique for Oboe & Bassoon: IV. Fugue et rondeau
Trio for Oboe, Bassoon & Piano, FP 43: I. Presto
Trio for Oboe, Bassoon & Piano, FP 43: II. Andante
Trio for Oboe, Bassoon & Piano, FP 43: III. Rondo
Duo for Oboe & Bassoon, W535: I. Allegro
Duo for Oboe & Bassoon, W535: III. Allegro vivace
Contrabassoon Sonata, DWV 133: II. Etwas bewegt
Contrabassoon Sonata, DWV 133: III. Lebhaft
2 Stücke, Op. 57: No. 2, Tempo di valse grazioso
6 Stücke, Op. 80: No. 1, Allegro risoluto
6 Stücke, Op. 80: No. 3, Andante tranquillo
6 Stücke, Op. 80: No. 4, Allegretto scherzando
6 Stücke, Op. 80: No. 5, Allegro animato
6 Stücke, Op. 80: No. 6, Risoluto - Allegro
Contrabassoon Concerto, Op. 98: I. Allegro non troppo
Contrabassoon Concerto, Op. 98: II. Andante tranquillo
Contrabassoon Concerto, Op. 98: III. Allegro leggiero
Divertimento in D Major, K. 251 "Nannerl Septet": I. Molto allegro
Divertimento in D Major, K. 251 "Nannerl Septet": II. Menuetto
Divertimento in D Major, K. 251 "Nannerl Septet": III. Andantino
Divertimento in D Major, K. 251 "Nannerl Septet": IV. Menuetto. Tema con variazioni
Divertimento in D Major, K. 251 "Nannerl Septet": V. Rondo. Allegro assai
Divertimento in D Major, K. 251 "Nannerl Septet": VI. Marcia alla francese
Septet in E-Flat Major, Op. 20: I. Adagio - Allegro con brio
Septet in E-Flat Major, Op. 20: II. Adagio cantabile
Septet in E-Flat Major, Op. 20: III. Tempo di minuetto
Septet in E-Flat Major, Op. 20: IV. Tema. Andante von variazioni
Septet in E-Flat Major, Op. 20: V. Scherzo. Allegro molto e vivace
Septet in E-Flat Major, Op. 20: VI. Andante con moto alla marcia - Presto
Bassoon Concerto in E-Flat Major, RV 483: I. Presto
Bassoon Concerto in E-Flat Major, RV 483: II. Larghetto
Bassoon Concerto in E-Flat Major, RV 483: III. Allegro
Oboe Concerto in A Minor, RV 461: I. Allegro non molto
Oboe Concerto in A Minor, RV 461: II. Larghetto
Oboe Concerto in A Minor, RV 461: III. Allegro
Bassoon Concerto in G Major, RV 493: I. Allegro ma poco
Bassoon Concerto in G Major, RV 493: II. Largo
Bassoon Concerto in G Major, RV 493: III. Allegro
Oboe Concerto in D Major, RV 453: I. Allegro
Oboe Concerto in D Major, RV 453: II. Largo
Oboe Concerto in D Major, RV 453: III. Allegro
Bassoon Concerto in E Minor, RV 484: I. Allegro poco
Bassoon Concerto in E Minor, RV 484: II. Andante
Bassoon Concerto in E Minor, RV 484: III. Allegro
Oboe Concerto in F Major, RV 457: I. Allegro non molto
Oboe Concerto in F Major, RV 457: II. Andante
Oboe Concerto in F Major, RV 457: III. Allegro molto
Concerto for Oboe & Bassoon in G Major, RV 545: I. Andante molto
Concerto for Oboe & Bassoon in G Major, RV 545: II. Largo
Concerto for Oboe & Bassoon in G Major, RV 545: III. Allegro molto
Mozart: Sonata for Bassoon & Cello in B-Flat Major, K. 292 - Devienne: Bassoon Quartets, Op. 73
Sonata for Bassoon & Cello in B-Flat Major, K. 292: I. Allegro
Sonata for Bassoon & Cello in B-Flat Major, K. 292: II. Andante
Sonata for Bassoon & Cello in B-Flat Major, K. 292: III. Rondo. Allegro
Bassoon Quartet in C Major, Op. 73 No. 1: I. Allegro spiritoso
Bassoon Quartet in C Major, Op. 73 No. 1: II. Adagio cantabile
Bassoon Quartet in C Major, Op. 73 No. 1: III. Rondo. Allegro moderato
Bassoon Quartet in F Major, Op. 73 No. 2: I. Allegro
Bassoon Quartet in F Major, Op. 73 No. 2: II. Adagio
Bassoon Quartet in F Major, Op. 73 No. 2: III. Grazioso con variazioni
Bassoon Quartet in G Minor, Op. 73 No. 3: I. Allegro con espressivo
Bassoon Quartet in G Minor, Op. 73 No. 3: II. Adagio, non troppo
Bassoon Quartet in G Minor, Op. 73 No. 3: III. Rondo. Allegretto poco
Françaix, Tomasi, Jolivet & Villa-Lobos: Bassoon Concertos
Bassoon Concerto: II. Serenade nocturne. Andantino
Bassoon Concerto: III. Finale saltarelle. Giocoso
Bassoon Concerto: I. Recitative - II. Allegro gioviale
Bassoon Concerto: III. Largo cantabile - IV. Fugato
Divertissement for Bassoon & Strings: I. Vivace
Divertissement for Bassoon & Strings: II. Lento
Divertissement for Bassoon & Strings: III. Vivo assai
Divertissement for Bassoon & Strings: IV. Allegro
Weber, Mozart & Hummel: Bassoon Concertos
Bassoon Concerto in F Major, Op. 75, J. 127: I. Allegro ma non troppo
North West German Philharmonic Orchestra
Bassoon Concerto in F Major, Op. 75, J. 127: II. Adagio
Bassoon Concerto in F Major, Op. 75, J. 127: III. Rondo: Allegro
Bassoon Concerto in B-Flat Major, K. 191: I. Allegro
Bassoon Concerto in B-Flat Major, K. 191: II. Andante ma adagio
Bassoon Concerto in B-Flat Major, K. 191: III. Rondo: Tempo di menuetto
Bassoon Concerto in F Major, WoO 23, S63: I. Allegro moderato
Bassoon Concerto in F Major, WoO 23, S63: II. Romanza: Andantino e cantabile
Bassoon Concerto in F Major, WoO 23, S63: III. Rondo: Vivace
Andante e Rondo ungarese, Op. 35, J. 158
Schumann, R.: 5 Stucke Im Volkston / Adagio and Allegro / Fantasiestucke / Waldszenen (Arr. for Bassoon and Piano)
5 Stucke im Volkston (5 Pieces in Folk Style), Op. 102 (arr. for bassoon and piano): No. 1. Mit Humor, "Vanitas vanitatum"
5 Stucke im Volkston (5 Pieces in Folk Style), Op. 102 (arr. for bassoon and piano): No. 2. Langsam
5 Stucke im Volkston (5 Pieces in Folk Style), Op. 102 (arr. for bassoon and piano): No. 3. Nicht Schnell, mit viel Ton zu spielen
5 Stucke im Volkston (5 Pieces in Folk Style), Op. 102 (arr. for bassoon and piano): No. 4. Nicht zu rasch
5 Stucke im Volkston (5 Pieces in Folk Style), Op. 102 (arr. for bassoon and piano): No. 5. Stark und markiert
Adagio and Allegro, Op. 70 (arr. for bassoon and piano): Langsam, mit innigem Ausdruck -
Adagio and Allegro, Op. 70 (arr. for bassoon and piano): Rasch und feurig
3 Romanzen, Op. 94 (arr. for bassoon and piano): No. 1. Nicht schnell
3 Romanzen, Op. 94 (arr. for bassoon and piano): No. 2. Einfach, innig
3 Romanzen, Op. 94 (arr. for bassoon and piano): No. 3. Nicht schnell
Fantasiestucke, Op. 73 (arr. for bassoon and piano): No. 1. Zart und mit Ausdruck
Fantasiestucke, Op. 73 (arr. for bassoon and piano): No. 2. Lebhaft, leicht
Fantasiestucke, Op. 73 (arr. for bassoon and piano): No. 3. Rasch und mit Feuer
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 1. Eintritt
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 2. Jager auf der Lauer
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 3. Einsame Blumen
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 4. Verrufene Stelle
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 5. Freundliche Landschaft
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 6. Herberge
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 7. Vogel als Prophet
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 8. Jagdlied
Waldszenen, Op. 82 (arr. M. Racz for oboe and piano after W. Renz's arrangement for oboe and piano): No. 9. Abschied
Bassoon Concerto in B-Flat Major, Ben. 107: I. Allegro moderato
Bassoon Concerto in B-Flat Major, Ben. 107: II. Romance. Cantabile
Bassoon Concerto in B-Flat Major, Ben. 107: III. Rondeau
Piano Concerto in F Major, Op. 17: I. Allegro vivace
Piano Concerto in F Major, Op. 17: II. Larghetto più tosto adagio
Piano Concerto in F Major, Op. 17: III. Rondo
Symphony in G Major, Op. 68, Ben. 156: I. Allegro vivace assai (Original Version)
Symphony in G Major, Op. 68, Ben. 156: II. Adagio (Original Version)
Symphony in G Major, Op. 68, Ben. 156: III. Menuetto e Trio (Original Version)
Symphony in G Major, Op. 68, Ben. 156: IV. Rondo. Allegro (Original Version)