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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cb2b38a83a246501ae863a50d411e4eb773f3e7a22ac6fb6a6c46406b640d6b. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e85f6ee6-651f-43f4-aa2d-9fa40308eab0.json and https://artists.proofprofile.net/proofs/artist/e85f6ee6-651f-43f4-aa2d-9fa40308eab0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony No. 6 in D minor, Op. 58: 1. Adagio - Allegro molto e con fuoco
Symphony No. 6 in D minor, Op. 58: 2. Andante quasi allegretto e grazioso
Symphony No. 6 in D minor, Op. 58: 3. Scherzo. Allegretto - Trio
Symphony No. 6 in D minor, Op. 58: 4. Rondo. Allegro molto
Symphony No. 7 in C minor: 1. Andante. Allegro
Symphony No. 7 in C minor: 2. Poco adagio
Symphony No. 7 in C minor: 3. Scherzo - Trio
Symphony No. 7 in C minor: 4. Allegro con fuoco
Symphony No.7 in C minor: 1. Andante. Allegro
Symphony No.7 in C minor: 2. Poco adagio
Symphony No.7 in C minor: 3. Scherzo - Trio
Symphony No.7 in C minor: 4. Allegro con fuoco
Wilms, J.W.: Piano Concerto, Op. 12 / Symphony, Op. 14 / Flute Concerto, Op. 24
Piano Concerto in C Major, Op. 12: I. Allegro
Piano Concerto in C Major, Op. 12: II. Poco adagio
Piano Concerto in C Major, Op. 12: III. Rondo: Allegro
Symphony in E-Flat Major, Op. 14: I. Adagio - Allegro
Symphony in E-Flat Major, Op. 14: II. Andante poco allegretto
Symphony in E-Flat Major, Op. 14: III. Menuetto - Trio - Menuetto
Symphony in E-Flat Major, Op. 14: IV. Rondo: Allegro
Flute Concerto in D Major, Op. 24: I. Allegro ma non troppo
Flute Concerto in D Major, Op. 24: II. Adagio
Flute Concerto in D Major, Op. 24: III. Polacca: Allegretto
Piano Concerto in C Major, Op. 12: III. Rondo. Allegro
Symphony in E-Flat Major, Op. 14: IV. Rondo. Allegro
Wilms: Symphonies Op. 23 & 14, Variations On "Wilhelmus Van Nassauwe"
Symphony Op.52 in D major: Adagio - Vivace
Symphony Op.23 in c minor: Adagio - Allegro non molto
Symphony Op.52 in D major: Menuetto allegro
Symphony Op.23 in c minor: Menuetto - Trio - Menuetto
Symphony Op.23 in c minor: Rondo. Allegro
Symphony Op.52 in D major: Rondo. Allegro
Symphony Op.58 in d minor: Allegro molto con fuoco
Symphony Op.14 in E flat major: Adagio - Allegro
Symphony Op.14 in E flat major: Andante poco allegretto
Symphony Op.58 in d minor: Andante quasi allegretto e grazioso
Symphony Op.14 in E flat major: Menuetto - Trio - Menuetto
Symphony Op.14 in E flat major: Rondo. Allegro
Symphony Op.58 in d minor: Rondo, Allegro molto
Wilms, J.W.: Sonatas for Piano 4 Hands - Opp. 31, 41
Sonata for Piano 4 Hands in C Major, Op. 31: I. Allegro brillante
Sonata for Piano 4 Hands in C Major, Op. 31: II. Andante
Sonata for Piano 4 Hands in C Major, Op. 31: III. Allegro molto
Sonata for Piano 4 Hands in B-Flat Major, Op. 41: I. Allegro
Sonata for Piano 4 Hands in B-Flat Major, Op. 41: II. Poco Adagio
Sonata for Piano 4 Hands in B-Flat Major, Op. 41: III. Rondo. Allegro
Sonata for Piano 4 Hands, Op. 31: I. Allegro brillante
Sonata for Piano 4 Hands, Op. 31: II. Andante
Sonata for Piano 4 Hands, Op. 31: III. Allegro molto
Sonata for Piano 4 Hands, Op. 41: I. Allegro
Sonata for Piano 4 Hands, Op. 41: II. Poco adagio
Sonata for Piano 4 Hands, Op. 41: III. Rondo (Allegro)
Wilms: Symphonies Nos. 1 & 4 - Overture in D
Symphony No. 1 in C Major, Op. 9: I. Adagio - Allegro vivace
Symphony No. 1 in C Major, Op. 9: II. Andante
Symphony No. 1 in C Major, Op. 9: III. Menuetto: Allegro - Trio - Menuetto da capo
Symphony No. 1 in C Major, Op. 9: IV. Finale: Allegro
Symphonie a Grand Orchestre in C Minor, Op. 23: I. Adagio - Allegro non molto
Symphonie a Grand Orchestre in C Minor, Op. 23: II. Andante
Symphonie a Grand Orchestre in C Minor, Op. 23: III. Menuetto - Trio - Menuetto
Symphonie a Grand Orchestre in C Minor, Op. 23: IV. Rondo: Allegro
Symphony No. 1 in C Major, Op. 9: III. Menuetto. Allegro - Trio - Menuetto da capo
Symphony No. 1 in C Major, Op. 9: IV. Finale. Allegro
Symphonie a Grand Orchestre in C Minor, Op. 23: IV. Rondo. Allegro
Violin Sonata in E Major, Op. 11: I. Allegro
Violin Sonata in E Major, Op. 11: II. Adagio
Violin Sonata in E Major, Op. 11: III. Rondo: Allegro
Violin Sonata in B-Flat Major, Op. 29: I. Allegro
Violin Sonata in B-Flat Major, Op. 29: II. Poco adagio
Violin Sonata in B-Flat Major, Op. 29: III. Rondo: Allegro
Piano Trio in C Major: II. Un poco adagio
Piano Trio in C Major: III. Rondo: Allegro
Violin Sonata in E Major, Op. 11: III. Rondo. Allegro
Violin Sonata in B-Flat Major, Op. 29: III. Rondo. Allegro
Piano Trio in C Major: III. Rondo. Allegro
Piano Quartet in F Major, Op. 30: I. Adagio - Allegro
Piano Quartet in F Major, Op. 30: II. Larghetto
Piano Quartet in F Major, Op. 30: III. Allegro
Piano Quartet in C Major, Op. 22: I. Allegro
Piano Quartet in C Major, Op. 22: II. Adagio
Piano Quartet in C Major, Op. 22: III. Scherzando. Allegro
Piano Quartet in C Major, Op. 22: IV. Polonaise. Allegretto
Sonata No. 1 for Flute and Piano in A Major, Op. 15: I. Allegro
Sonata No. 1 for Flute and Piano in A Major, Op. 15: II. Andante
Sonata No. 1 for Flute and Piano in A Major, Op. 15: III. Rondo. Allegro
Sonata No. 2 for Flute and Piano in F Major, Op. 15: I. Allegro moderato
Sonata No. 2 for Flute and Piano in F Major, Op. 15: II. Andante
Sonata No. 2 for Flute and Piano in F Major, Op. 15: III. Rondo. Allegro scherzando
Sonata No. 3 for Flute and Piano in C Major, Op. 15: I. Allegro risoluto
Sonata No. 3 for Flute and Piano in C Major, Op. 15: II. Allegretto con Varitione
Sonata in D Major, Op. 33: III. Rondo - Allegro
Trio in D Major, Op. 6: I. Allegro brillante
Trio in D Major, Op. 6: II. Adagio espressivo
Trio in D Major, Op. 6: III. Rondo - Polonaise
Sonata in D Major, Op. 18 No. 1: I. Allegro
Sonata in D Major, Op. 18 No. 1: II. Andante
Sonata in D Major, Op. 18 No. 1: III. Rondo - Allegro
Sonata in G Major, Op. 18 No. 2: I. Allegro
Sonata in G Major, Op. 18 No. 2: II. Adagio
Sonata in G Major, Op. 18 No. 2: III. Rondo - Allegro
Harpsichord Concerto in E Major, Op. 3: I. Allegro
Harpsichord Concerto in E Major, Op. 3: II. Poco adagio
Harpsichord Concerto in E Major, Op. 3: III. Rondo
Piano Concerto in C Major, Op. 12: III. Rondo
Piano Concerto in D Major, Op. 26: I. Allegro
Piano Concerto in D Major, Op. 26: II. Poco adagio
Piano Concerto in D Major, Op. 26: III. Rondo alla pollacca
Piano Concerto in F Major, Op. 32 (Ed. R. Brautigam): I. Allegro
Piano Concerto in F Major, Op. 32 (Ed. R. Brautigam): II. Adagio
Piano Concerto in F Major, Op. 32 (Ed. R. Brautigam): III. Rondo
Piano Concerto in E-Flat Major, Op. 55 (Ed. R. Brautigam): I. Adagio - Allegro
Piano Concerto in E-Flat Major, Op. 55 (Ed. R. Brautigam): II. Adagio
Piano Concerto in E-Flat Major, Op. 55 (Ed. R. Brautigam): III. Rondo
Piano Quartet in C Major, Op. 22: III. Scherzando. Allegro-Trio
Piano Quartet in F Major, Op. 30: I. Adagio. Allegro
Piano Trio in C Major, Op. 4: I. Allegro
Piano Trio in C Major, Op. 4: II. Un poco Adagio
Piano Trio in C Major, Op. 4: III. Rondo Allegro
Clarinet Concerto - Sinfonie Concertante (Original)
Sinfonia Concertante in C Major: I. Allegro
Sinfonia Concertante in C Major: II. Romance
Sinfonia Concertante in C Major: III. Polonaise
Concerto for Clarinet & Orchestra in B-Flat major, Op. 40: I. Adagio – Allegro
Concerto for Clarinet and Orchestra in B-Flat Major, Op. 40: II. Adagio
Concerto for Clarinet and Orchestra in B-Flat Major, Op. 40: III. Polonaise Allegretto
Sinfonia Concertante in F major: I. Allegro – Andante – Allegro
Sinfonia Concertante in F major: - Allegretto con Variazioni
Wilms: Symphony No. 6 in D Minor, Op. 58 & Overtures
Symphony No. 6 in D Minor, Op. 58: I. Adagio - Allegro molto e con fuoco
Symphony No. 6 in D Minor, Op. 58: II. Andante quasi allegretto e grazioso
Symphony No. 6 in D Minor, Op. 58: III. Scherzo. Allegretto - Trio
Symphony No. 6 in D Minor, Op. 58: IV. Rondo. Allegro molto
A Musical Anthology of the Northern Netherlands