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 0x0fe894245d5f73058f605163b29451855a71202948abcb06c516028d42677684. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/420df8c1-a3ba-4cf4-882d-746de3f8909f.json and https://artists.proofprofile.net/proofs/artist/420df8c1-a3ba-4cf4-882d-746de3f8909f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata in la minore per arpeggione e pianoforte, D. 821: I. Allegro
Sonata in la minore per arpeggione e pianoforte, D. 821: II. Adagio
Sonata in la minore per arpeggione e pianoforte, D. 821: III. Allegretto
Sonata in G Minor, Op. 5 No. 2: Adagio sostenuto ed espressivo-Allegro molto più tosto presto
Sonata in G Minor, Op. 5 No. 2: Rondo. Allegro
Sonata per violoncello e pianoforte in D Minor, L. 135: I. Prologue
Sonata per violoncello e pianoforte in D Minor, L. 135: II. Serenade
Capriccio " Hommage à Paganini", Op. 55 in C Minor: Lento con molta espressione
Sonate pour violon et violoncelle, M. 73: I. Allegro
Trio in A Minor, Op. 50 in A Minor: I. Pezzo elegaico ( Moderato assai- Allegro giusto)
Sonate pour violon et violoncelle, M. 73: Allegro
Quintetto per pianoforte e archi, Op. 57: IV. Lento
Girls Gotta Dance! - Rhythms To Excite the Muscles, Symmetry To Stimulate the Brain, Melodies To Delight the Heart
Gayane: Gayane: Dance of the Rose Maidens
Carmen Suite: VIII. Bolero (after G. Bizet): VIII. Bolero
Carmen Suite: VIII. Bolero (after G. Bizet): II. Dance
The Gadfly Suite, Op. 97a: III. Folk Festival
Symphony No. 1 in D Major, Op. 25, "Classical": IV. Finale
The Sleeping Beauty, Op. 66, Act I: Waltz
Scaramouche, Op. 165b: III. Braziliera (arr. J. Heifetz)
Pictures from Bashu (arr. Yi-Wen Jiang for flute, violin, viola and cello): Evening Dance at Aba (arr. for flute and string quartet)
Concerto for 4 Violins in B Minor, Op. 3, No. 10, RV 580: III. Allegro
The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): I. Allegro
Sonata a 5 No. 1 in D Major: IV. Allegro
Water Music: Suite No. 3 in G Major, HWV 350: IV. Gigue I and II
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": III. Menuetto (arr. for flute, harpsichord and string quartet)
Piano Quintet in E-Flat Major, Op. 16: III. Rondo
Solomon, HWV 67, Act III: Sinfonia, "Arrival of the Queen of Sheba" (arr. for guitar quartet)
Ballet Suite No. 3: III. Dance (The Limpid Stream)
Les saisons (The Seasons), Op. 37b: II. February: Shrovetide Festival (arr. A. Gauk)
5 Armenian Folksongs: No. 4. Vagarshapati Par (Folk Dance)
Tale of Tsar Saltan, Op. 57: Flight of the Bumblebee (arr. for flute and orchestra)
Concerto for 7 Trumpets and Timpani: I. Allegro
Overture (Suite) No. 2 in B Minor, BWV 1067: VII. Badinerie (arr. for brass ensemble)
Keyboard Sonata in F Minor, K.519/L.475/P.445: Allegro assai (arr. for saxophone quartet)
Cello Sonata in E Major: V. Gigue: Allegro vivo
Septet in E-Flat Major, Op. 20: V. Scherzo: Allegro molto e vivace
The Chamber Music Society Of Lincoln Center
Symphony No. 5 in B-Flat Major, K. 22: I. Allegro
The 4 Seasons: Violin Concerto in F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): III. Allegro
Serenade in D Major, Op. 25: I. Entrata: Allegro
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": Allegro (arr. for flute, harpsichord and string quartet)
My Lord of Oxenfords Maske (arr. for guitar quartet)
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro (arr. for guitar quartet)
Terpsichore: Bransle - Volte (arr. for guitar quartet)
Overture (Suite) No. 3 in D Major, BWV 1068: III. Gavotte I - II (arr. for guitar quartet)
Les fetes d'Hebe: Tambourin (arr. for domra, gusli, bass balalaika): Tambourin (arr. for domra, gusli, bass balalaika)
Violin Concerto in B-Flat Major, Op. 4 No. 1, RV 383a: I. Allegro
Violin Concerto No. 1, Op. 11 No. 1: I. Allegro
Violin Concerto No. 1 in D Major, Op. 3 No. 1: I. Allegro
Violin Concerto in A Minor, D. 114: I. Allegro
Violin Concerto in B-Flat Major, Op. 4 No. 1, RV 383a: II. Largo
Violin Concerto No. 1, Op. 11 No. 1: II. Siciliana - Larghetto
Violin Concerto No. 1 in D Major, Op. 3 No. 1: II. Largo
Violin Concerto in A Minor, D. 114: II. Adagio
Violin Concerto in B-Flat Major, Op. 4 No. 1, RV 383a: III. Allegro
Violin Concerto No. 1, Op. 11 No. 1: III. Allegro assai
Violin Concerto No. 1 in D Major, Op. 3 No. 1: III. Allegro
Violin Concerto in A Minor, D. 114: III. Allegro
Violin Concerto in E Minor, Op. 4 No. 2, RV 279: I. Allegro
Violin Concerto No. 2, Op. 11 No. 2: I. Spiritoso
Violin Concerto No. 2 in C Minor, Op. 3 No. 2: I. Andante
Violin Concerto in D Major, D. 25: I. Allegro
Violin Concerto in E Minor, Op. 4 No. 2, RV 279: II. Largo
Violin Concerto No. 2, Op. 11 No. 2: II. Adagio
Violin Concerto No. 2 in C Minor, Op. 3 No. 2: II. Largo
Violin Concerto in D Major, D. 25: II. Largo "La mia filli"
Violin Concerto in E Minor, Op. 4 No. 2, RV 279: III. Allegro
Violin Concerto No. 2, Op. 11 No. 2: III. Allegro
Violin Concerto No. 2 in C Minor, Op. 3 No. 2: III. Andante
Violin Concerto in G Major, Op. 4 No. 3, RV 301: I. Allegro
Violin Concerto No. 3, Op. 11 No. 3: I. Allegro
Violin Concerto No. 7 in B-Flat Major, Op. 3 No. 7: I. Andante
Violin Concerto in G Major, Op. 4 No. 3, RV 301: II. Largo
Violin Concerto No. 3, Op. 11 No. 3: II. Siciliana - Andante ma largo
Violin Concerto No. 7 in B-Flat Major, Op. 3 No. 7: II. Largo
Violin Concerto in G Major, Op. 4 No. 3, RV 301: III. Allegro assai
Violin Concerto No. 3, Op. 11 No. 3: III. Allegro
Violin Concerto No. 7 in B-Flat Major, Op. 3 No. 7: III. Allegro
Violin Concerto in A Minor, Op. 4 No. 4, RV 357: I. Allegro
Violin Concerto No. 4, Op. 11 No. 4: I. Vivace ma larghetto
Violin Concerto No. 11 in A Major, Op. 3 No. 11: I. Allegro
Violin Concerto in A Minor, Op. 4 No. 4, RV 357: II. Grave
Violin Concerto No. 4, Op. 11 No. 4: II. Siciliana. Adagio
Violin Concerto No. 11 in A Major, Op. 3 No. 11: II. Largo
Violin Concerto in A Minor, Op. 4 No. 4, RV 357: III. Allegro
Violin Concerto No. 4, Op. 11 No. 4: III. Allegro
Violin Concerto No. 11 in A Major, Op. 3 No. 11: III. Andante
Violin Concerto in A Major, Op. 4 No. 5, RV 347: I. Allegro
Violin Concerto No. 5, Op. 11 No. 5: I. Larghetto
Violin Concerto in A Major, Op. 4 No. 5, RV 347: II. Largo
Violin Concerto No. 5, Op. 11 No. 5: II. Recitativo. Adagio assai
Violin Concerto in A Major, Op. 4 No. 5, RV 347: III. Allegro
Violin Concerto No. 5, Op. 11 No. 5: III. Allegro
Violin Concerto in G Minor, Op. 4 No. 6, RV 316a: I. Allegro
Violin Concerto in G Minor, Op. 4 No. 6, RV 316a: II. Largo
Violin Concerto in G Minor, Op. 4 No. 6, RV 316a: III. Allegro
Suite in E Major for Violin & Orchestra: I. Andante appassionato
Suite in E Major for Violin & Orchestra: II. Tempo di minuetto (Allegretto)
Suite in E Major for Violin & Orchestra: III. Andante sostenuto
Suite in E Major for Violin & Orchestra: IV. Allegro
Cello Concerto in D Major (arr. Francesco Cilea): I. Andante sostenuto e grazioso
Cello Concerto in D Major (arr. Francesco Cilea): II. Larghetto
Cello Concerto in D Major (arr. Francesco Cilea): III. Allegro con bravura
Piccola Suite for Cello & Orchestra: Introduzione alla danza
Piccola Suite for Cello & Orchestra: I. Danza moderato
Piccola Suite for Cello & Orchestra: II. Notturnino andante sostenuto
Piccola Suite for Cello & Orchestra: III. Alla marcia allegro giusto
Violin Concerto No. 4 in D Minor, Op. 31: I. Andante - Moderato - Cadenza
Violin Concerto No. 4 in D Minor, Op. 31: II. Adagio religioso
Violin Concerto No. 4 in D Minor, Op. 31: III. Scherzo. Trio
Violin Concerto No. 4 in D Minor, Op. 31: IV. Finale marziale: Allegro
Violin Concerto No. 5 in A Minor, Op. 37, "Gretry": I. Allegro non troppo - Moderato
Violin Concerto No. 5 in A Minor, Op. 37, "Gretry": II. Adagio
Violin Concerto No. 5 in A Minor, Op. 37, "Gretry": III. Allegro con fuoco
Violin Concerto No. 1 in E-Flat Major, Op. 6, MS 21: I. Allegro maestoso (cadenza by Sauret and M. Quarta) [Ed. M. Dellaborra]
Violin Concerto No. 3 in E Major, MS 50: I. Andante - Allegro marziale
Violin Concerto No. 6 in E Minor, MS 75: I. Risoluto
Violin Concerto No. 1 in E-Flat Major, Op. 6, MS 21: II. Adagio espressivo (Ed. M. Dellaborra)
Violin Concerto No. 3 in E Major, MS 50: II. Adagio. Cantabile spianato
Violin Concerto No. 6 in E Minor, MS 75: II. Adagio
Violin Concerto No. 1 in E-Flat Major, Op. 6, MS 21: III. Rondo. Allegro spiritoso (Ed. M. Dellaborra)
Violin Concerto No. 3 in E Major, MS 50: III. Polacca. Andantino vivace
Violin Concerto No. 6 in E Minor, MS 75: III. Rondò ossia polonese
Violin Concerto No. 2 in B Minor, Op. 7, MS 48: I. Allegro maestoso (cadenza by M. Quarta) [Ed. M. Dellaborra]
Violin Concerto No. 5 in A Minor, MS 78: I. Allegro maestoso
Violin Concerto No. 4 in D Minor, MS 60: I. Allegro maestoso
Violin Concerto No. 2 in B Minor, Op. 7, MS 48: II. Adagio
Violin Concerto No. 5 in A Minor, MS 78: II. Andante un poco sostenuto
Violin Concerto No. 4 in D Minor, MS 60: II. Adagio flebile con sentimento
Violin Concerto No. 2 in B Minor, Op. 7, MS 48: III. Rondo. Andantino - Allegro moderato, "La campanella"
Violin Concerto No. 5 in A Minor, MS 78: III. Rondò. Andante - Allegro
Violin Concerto No. 4 in D Minor, MS 60: III. Rondò galante
Paganini Played On Paganini's Violin, Vol. 1
Colasanti: Il canto di Atropo - La Rosa que no canto - Chaos - To Muddy Death
Orchestra Sinfonica di Milano Giuseppe Verdi
Wagner: Wesendonck-Lieder, Siegfried Idyll, Träume; Sciarrino: Languire a Palermo
Wesendonck-Lieder, WWV 91: I. Der Engel · L'angelo
Wesendonck-Lieder, WWV 91: II. Stehe Still! · Fermati!
Wesendonck-Lieder, WWV 91: III. Im Treibhaus · Nella Serra
Wesendonck-Lieder, WWV 91: IV. Schmerzen · Dolori
Wesendonck-Lieder, WWV 91: V. Träume · Sogni
Viotti: Violin Concerto No.22; Cherubini: Symphony in D
Violin Concerto No. 22 in A Minor, G.97: I. Moderato
Nuova orchestra da camera Ferruccio Busoni
Violin Concerto No. 22 in A Minor, G.97: II. Adagio
Violin Concerto No. 22 in A Minor, G.97: III. Agitato Assai
Symphony in D Major: II. Larghetto Cantabile
Symphony in D Major: III. Minuetto (Allegro non tanto) - Trio
The Seasons, Op. 37a, TH 135: No. 8, August. The Harvest - No. 9, September. The Hunt & No. 10, October. Autumn Song
Transcendental Etudes, S. 139: No. 11 in D-Flat Major, Harmonie du soir
The Magic Flute, K. 620: Der Hölle Rache kocht in meinem Herzen - Rigoletto: Caro nome che il mio cor & 6 Romances, Op. 16: No. 1, Craddle Song - Arr. for Voice and Piano
Iberia: No. 1, Evocation & No. 9, Lavapiés
6 Sonatas for Solo Violin, No. 3 in D Minor, Op. 27: III. Ballade
Barcarolle, Op. 60 & Nocturnes, Op. 48: No. 1, Lento in C Minor
Rossini: Péchés de vieillesse — Chamber Music & Rarities
Péchés de vieillesse, Vol. 9, Album pour piano, violon, violoncelle, harmonium et cor: No. 4, Un mot à Paganini
Péchés de vieillesse, Vol. 14, Altri péchés de vieillesse: No. 12, Allegro agitato in A Minor (Reconstr. for Cello & Piano)
Péchés de vieillesse, Vol. 9, Album pour piano, violon, violoncelle, harmonium et cor: No. 10, Une larme
Péchés de vieillesse, Vol. 8, Album de château: No. 9, Tarantelle pur sang (Version for Choir, Harmonium, Piano & Clochette)
Péchés de vieillesse, Vol. 9, Album pour piano, violon, violoncelle, harmonium et cor: No. 8a, Prélude, thème et variations. Andante maestoso
Péchés de vieillesse, Vol. 9, Album pour piano, violon, violoncelle, harmonium et cor: No. 8b, Prélude, thème et variations. Allegro moderato
Péchés de vieillesse, Vol. 9, Album pour piano, violon, violoncelle, harmonium et cor: No. 8c, Prélude, thème et variations. Andante maestoso
Ritournelle pour l'adagio du trio d'Attila
Marlbrough s'en va-t-en guerre (Arr. G. Rossini for Piano)
Péchés de vieillesse, Vol. 14, Altri péchés de vieillesse: No. 14, L'ultimo pensiero
Péchés de vieillesse, Vol. 14, Altri péchés de vieillesse: No. 10, Metastasio pour album "Sogna il guerrier"
Péchés de vieillesse, Vol. 11, Miscellanée de musique vocale: No. 10, Giovanna d'Arco
Cello Sonata in D Major: I. Allegro moderato
Cello Sonata in D Major: II. Alla Romanza. Largo doloroso
Cello Sonata in D Major: III. Allegro animato
Piano Trio in D Major: I. Allegro sostenuto
Piano Trio in D Major: II. Scherzo. Presto
Piano Trio in D Major: III. Andante molto espressivo
Piano Trio in D Major: IV. Allegro con fuoco
Vocalizzo da concerto No. 2 in D Minor. Canto (Lento doloroso)
Theme and Variations (Andante sostenuto - Poco più mosso - Allegro - Andante - Moderato)
La petite coquette - Air de danse, Op. 9
C'est toi que j'aime - Impromptu à la Mazurka, Op. 10
Trois petits morceaux, Op. 28: I. Loin dans la mer
Trois petits morceaux, Op. 28: II. Feuille d'album
Trois petits morceaux, Op. 28: III. Pensée espagnole
Sibelius, J.: Early Chamber Music, Vol. 1 - Violin Sonata / String Trios / Piano Quartet
Violin Sonata in F Major, JS 178: II. Andante
Violin Sonata in F Major, JS 178: III. Vivace
Suite for String Trio: I. Prelude: Vivace
Suite for String Trio: II. Andante con moto
Suite for String Trio: IV. Gigue: Allegretto
String Trio in G Minor, JS 210: I. Lento
String Trio in G Minor, JS 210: II. Allegro
Quartet in C Minor, JS 156: Introduction: Adagio
Quartet in C Minor, JS 156: Theme: Andantino
Caprice No. 1 in E Major: "L'Arpeggio". Andante
Caprice No. 6 in G Minor: "The Trill". Lento
Caprice No. 9 in E Major: "La Chasse". Allegretto
Caprice No. 13 in B-Flat Major: "Devil's Laughter". Allegro
Caprice No. 14 in E-Flat Major: Moderato
Caprice No. 17 in E-Flat Major: Sostenuto
Caprice No. 24 in A Minor: Theme and Variations
Paganini Played On Paganini's Violin, Vol. 3
Violin Concerto No. 6 in E Minor, MS 75, "Violin Concerto No. 0" (orchestrated by F. Fiore): I. Risoluto
Violin Concerto No. 6 in E Minor, MS 75, "Violin Concerto No. 0" (orchestrated by F. Fiore): II. Adagio
Violin Concerto No. 6 in E Minor, MS 75, "Violin Concerto No. 0" (orchestrated by F. Fiore): III. Rondo ossia Polonese
Violin Concerto No. 4 in D Minor, MS 60: III. Rondo galante: Andantino gaio
Paganini Played On Paganini's Violin, Vol. 2
Violin Concerto No. 3 in E Major, MS 50: II. Adagio, cantabile spinato
Violin Concerto No. 3 in E Major, MS 50: III. Polacca: Andantino - Vivace
Violin Concerto No. 5 in A Minor, MS 78: III. Rondo: Andante - Allegretto
Vivaldi, A.: 4 Seasons (The) / La Tempesta Di Mare / Il Piacere (Storm at Sea, Pleasure)
The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): II. Largo e pianissimo sempre
The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): III. Danza pastorale: Allegro
The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): I. Allegro non moto
The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): II. Adagio - Presto
The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): III. Presto
The 4 Seasons: Violin Concerto in F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): I. Allegro
The 4 Seasons: Violin Concerto in F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): II. Adagio molto
The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): I. Allegro non molto
The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): III. Allegro
Violin Concerto in E-Flat Major, Op. 8, No. 5, RV 253, "La tempesta di mare": I. Presto
Violin Concerto in E-Flat Major, Op. 8, No. 5, RV 253, "La tempesta di mare": II. Largo
Violin Concerto in E-Flat Major, Op. 8, No. 5, RV 253, "La tempesta di mare": III. Presto
Violin Concerto in C Major, Op. 8, No. 6, RV 180, "Il piacere": I. Allegro
Violin Concerto in C Major, Op. 8, No. 6, RV 180, "Il piacere": II. Largo e cantabile
Violin Concerto in C Major, Op. 8, No. 6, RV 180, "Il piacere": III. Allegro
Paganini: I Palpiti / Napoleon / Maestoso Suonata Sentimentale / Le Streghe
Introduction and Variations on Di tanti palpiti from Rossini's Tancredi, Op. 13, MS 77, "I palpiti"
Napoleon, Op. 31, MS 5, "Sonata Napoleone" (arr. for violin and piano)
Sonata and Variations on Pria ch'io l'impegno from Weigl's L'amor marinaro, Op. 29, MS 47 (arr. for violin)
Maestosa suonata sentimentale, Op. 27, MS 51 (arr. for violin and piano)
Le streghe, Op. 8, MS 19 (arr. for violin and piano)
Mozart, W.A.: Rondos - K. 382, 386 / Concerto for 3 Pianos, K. 242 / Concerto for 2 Pianos, K. 365
Concerto for 3 Pianos in F Major, K. 242, "Lodron": I. Allegro
Concerto for 3 Pianos in F Major, K. 242, "Lodron": II. Adagio
Concerto for 3 Pianos in F Major, K. 242, "Lodron": III. Rondo: Tempo di menuetto
Concerto for 2 Pianos in E-Flat Major, K. 365: I. Allegro
Concerto for 2 Pianos in E-Flat Major, K. 365: II. Andante
Concerto for 2 Pianos in E-Flat Major, K. 365: III. Rondo: Allegro
Sonate pour violon et violoncelle, M. 73: Très vif
Sonate pour violon et violoncelle, M. 73: Lent
Sonate pour violon et violoncelle, M. 73: Vif, avec entrain
Quintetto d'archi in do maggiore, Op. 163: Allegro ma non troppo
Quintetto d'archi in do maggiore, Op. 163: Adagio
Quintetto d'archi in do maggiore, Op. 163: Scherzo (Presto) - Trio (Andante sostenuto)
Quintetto d'archi in do maggiore, Op. 163: Allegretto