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 0x6e7acd5484e947787e8753c0ee555b67dc7ac6a687412f24f6535aec600b122f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38b59871-f96a-4aad-b453-d487aed8daa8.json and https://artists.proofprofile.net/proofs/artist/38b59871-f96a-4aad-b453-d487aed8daa8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Violin Sonata in A Major, FWV 8: I. Allegretto ben moderato
Violin Sonata in A Major, FWV 8: II. Allegro
Violin Sonata in A Major, FWV 8: III. Recitativo-Fantasia, ben moderato
Violin Sonata in A Major, FWV 8: IV. Allegretto poco mosso
String Quartet in D Major, FWV 9: I. Poco lento - Allegro
String Quartet in D Major, FWV 9: II. Scherzo. Vivace
String Quartet in D Major, FWV 9: III. Larghetto
String Quartet in D Major, FWV 9: IV. Finale. Allegro molto - Larghetto
Piano Quintet in F Minor, FWV 7: I. Molto moderato quasi lento
Piano Quintet in F Minor, FWV 7: II. Lento con molto sentimento
Piano Quintet in F Minor, FWV 7: III. Allegro non troppo ma con fuoco
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: I. Introduzione. Andante Maestoso
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: II. Tema. Andante
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: III. Variation I. Più Mosso
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: IV. Variation II
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: V. Variation II Bis. Espressivo
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: VI. Variation III. Brillante
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: VII. Variation IV. Andante Sostenuto
Variations Concertantes Sur Une Mélodie Suisse, Op. 20: VIII. Finale. Vivace
Violin Sonata No. 1, Op. 37: I Largo-Allegro
Violin Sonata No. 1, Op. 37: II Poco Adagio
Violin Sonata No. 1, Op. 37: III Finale. Allegro Vivace
Violin Sonata No. 2, Op. 39: I Allegro Grazioso
Violin Sonata No. 2, Op. 39: II Scherzo. Allegro
Violin Sonata No. 2, Op. 39: IV Finale. Allegro
Violin Sonata No. 1 in D Minor, Op. 75: I. Allegro agitato
Violin Sonata No. 1 in D Minor, Op. 75: II. Adagio
Violin Sonata No. 1 in D Minor, Op. 75: III. Allegretto moderato
Violin Sonata No. 1 in D Minor, Op. 75: IV. Allegro molto
Violin Sonata No. 2 in E-Flat Major, Op. 102: I. Poco allegro più tosto moderato
Violin Sonata No. 2 in E-Flat Major, Op. 102: II. Scherzo. Vivace
Violin Sonata No. 2 in E-Flat Major, Op. 102: III. Andante
Violin Sonata No. 2 in E-Flat Major, Op. 102: IV. Allegro grazioso, non presto
Triptyque, Op. 136: II. Vision congolaise
Violin Sonata No. 1 in A Major, Op. 13: I. Allegro molto
Violin Sonata No. 1 in A Major, Op. 13: II. Andante
Violin Sonata No. 1 in A Major, Op. 13: III. Allegro vivo
Violin Sonata No. 1 in A Major, Op. 13: IV. Allegro quasi presto
Violin Sonata No. 2 in E Minor, Op. 108: I. Allegro non troppo
Violin Sonata No. 2 in E Minor, Op. 108: II. Andante
Violin Sonata No. 2 in E Minor, Op. 108: III. Allegro non troppo
Violin Sonata, L.140: II. Intermède, fantasque et léger
Violin Sonata, L.140: III. Finale, très animé
Violin Sonata No. 2 in G Major, M.77: I. Allegretto
Violin Sonata No. 2 in G Major, M.77: II. Blues. Moderato
Violin Sonata No. 2 in G Major, M.77: III. Perpetuum mobile, allegro
Sonata for Violin and Piano in G Major: I. Très modéré
Sonata for Violin and Piano in G Major: II. Très lent
Sonata for Violin and Piano in G Major: III. Très animé
Violin Sonata in D Major, Op. 12: I. Allegro assai
Violin Sonata in D Major, Op. 12: II. Scherzo. Allegro vivace-trio
Violin Sonata in D Major, Op. 12: III. Largo non troppo
Mozart: Complete Works for Violin & Orchestra
Violin Concerto No. 1 in B-Flat Major, K. 207: I. Allegro moderato
Violin Concerto No. 1 in B-Flat Major, K. 207: II. Adagio
Violin Concerto No. 1 in B-Flat Major, K. 207: III. Presto
Violin Concerto No. 2 in D Major, K. 211: I. Allegro moderato
Violin Concerto No. 2 in D Major, K. 211: II. Andante
Violin Concerto No. 2 in D Major, K. 211: III. Rondeau. Allegro
Violin Concerto No. 3 in G Major, K. 216: I. Allegro
Violin Concerto No. 3 in G Major, K. 216: II. Adagio
Violin Concerto No. 3 in G Major, K. 216: III. Rondeau. Allegro
Violin Concerto No. 4 in D Major, K. 218: I. Allegro
Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile
Violin Concerto No. 4 in D Major, K. 218: III. Rondeau
Violin Concerto No. 5 in A Major, K. 219: I. Allegro aperto
Violin Concerto No. 5 in A Major, K. 219: II. Adagio
Violin Concerto No. 5 in A Major, K. 219: III. Rondeau
Sinfonia Concertante in E-Flat Major, K. 364: I. Allegro Maestoso
Sinfonia Concertante in E-Flat Major, K. 364: II. Andante
Sinfonia Concertante in E-Flat Major, K. 364: III. Presto
Concertone for 2 Violins in C Major, K. 190: I. Allegro Spiritoso
Carl Philipp Emanuel Bach Chamber Orchestra
Concertone for 2 Violins in C Major, K. 190: II. Andantino Grazioso
Concertone for 2 Violins in C Major, K. 190: III. Tempo di Menuetto
Serenata notturna in D Major, K. 239: I. Marcia. Maestoso
Serenata notturna in D Major, K. 239: II. Menuetto
Serenata notturna in D Major, K. 239: III. Rondo. Allegro
Serenade in D Major, K. 250: II. Andante
Serenade in D Major, K. 250: III. Menuetto
Serenade in D Major, K. 250: IV. Rondo. Allegro
Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
Violin Partita No. 2 in D Minor, BWV 1004: V. Ciaccona
Violin Sonata No. 5 in F, Op. 24 'Spring': II. Adagio molto Espressivo
Violin Sonata No. 5 in F, Op. 24 'Spring': III. Scherzo: Allegro Molto
Violin Sonata No. 5 in F, Op. 24 'Spring': IV. Rondo: Allegro ma non Troppo
Sonata No. 2 in A Major, Op. 100: III. Allegretto grazioso, quasi Andante
Sonata No. 2 in A Major, Op. 100: II. Andante tranquillo - Vivace - Andante - Vivace di più - Andante - Vivace
Violin Sonata No. 10 in G, Op. 96: II. Adagio Espressivo
Violin Sonata No. 10 in G, Op. 96: III. Scherzo: Allegro
Sonata No. 3 in D Minor, Op. 108: II. Adagio
Sonata No. 3 in D Minor, Op. 108: III. Un poco presto e con Sentimento
Sonata No. 3 in D Minor, Op. 108: IV. Presto Agitato