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 0x213f268e1f9941686bfad6238f611f892200af72f1f7bd4d78579b5d3bc4e24f. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e26e0d7e-b1f4-444b-b93c-ebdeead68836.json and https://artists.proofprofile.net/proofs/artist/e26e0d7e-b1f4-444b-b93c-ebdeead68836.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
6 Preludes: No. 3, D'un rythme très précis
6 Preludes: No. 5, D'un rythme capricieux et tendre
Petite Suite (Arr. J. Charlot for Solo Piano): I. Souvenance
Petite Suite (Arr. J. Charlot for Solo Piano): II. Berceuse
Petite Suite (Arr. J. Charlot for Solo Piano): III. Claironnerie
Liszt Complete Piano Music, Vol. 44: Transcriptions of Vocal Works
Spanisches Ständchen, S. 487 (After L. Festetics)
Die Zelle in Nonnenwerth, S. 534 No. 1 (Elégie)
6 Chants polonais, S. 480: No. 5bis, Mes joies (After F. Chopin)
Autrefois, S. 577 No. 1 (After M. Wielhorski)
Szózat und Ungarischer Hymnus, S. 486 (After B. Egressy & F. Erkel)
Die Zelle in Nonnenwerth, S. 534 No. 2 (Elégie)
Die Gräberinsel der Fürsten zu Gotha, S. 485b (After Ernst II, Duke of Saxe-Coburg-Gotha)
Romance oubliée, S. 527bis (Vergessene Romanze) [Short Draft]
Magyar király-dal, S. 544 (Ungarisches Königslied)
Romance oubliée, S. 527 (Vergessener Romanze)
Die Zelle in Nonnenwerth, S. 534 No. 3 "Elegie"
The Piano's 12 Sides: IV. White Moon Over Water
The Piano's 12 Sides: VII. She Steals Me
The Piano's 12 Sides: VIII. Soiree Macabre
The Piano's 12 Sides: XI. Grand Etude-Fantasy
The Piano's 12 Sides: XII. An Irish Tune
The Bills: I. William Albright - A Concert Rag
The Bills: II. William Bolcom - An Elaborate Fancy
Piano Concerto No. 1: III. Cadenza: Your Touch
Carols & Noels: New Settings of Christmas Carols and Noels by Daquin, Busser, Quef and Bizet
On This Day Earth Shall Ring (Personent Hodie)
Good Christian Friends, Rejoice (In Dulci Jubilo)
Sing We Now Of Christmas (Noel Nouvelet)
Lo, How A Rose E'er Blooming (Es Ist Ein Ros Entsprungen)
Let All Mortal Flesh Keep Silence (Picardy)
Busser Il Est Ne Le Devin Enfant (He Is Born The Divine Child)
Busser Accourez Pastoureaux (Hasten Shepherds)
Bizet Farandole (Transcribed For Solo Organ)
Liszt Transcending: Transcriptions of Franz Liszt
Auf Flugeln des Gesanges, "On Wings of Song," S.547
Reminiscences of Lucia di Lammermoor, S.397
Isolde's Liebestod from Tristan and Isolde, S.447
Sarabande and Chaconne from Almira, Concert Arrangement, S.181
Melodie from Orfeo and Euridice (Dance of the Blessed Spirits)
Songs and Dances: Piano music of Grieg, Respighi, Liszt, Schubert, Rachmaninoff, Bach, Wagner and Gershwin
Ancient Airs and Dances, P.114: Balletto detto "Il Conte Orlando"
Ancient Airs and Dances, P.114: Villanella
Ancient Airs and Dances, P.114: Gagliarda
Ancient Airs and Dances, P.114: Italiana
Ancient Airs and Dances, P.114: Siciliana
Ancient Airs and Dances, P.114: Passacaglia
Etudes Op. 10: No. 5 in G-flat Major, "Black Key"
Etudes Op. 10: No. 12 in C Minor, "Revolutionary"
Etudes Op. 25: No. 1 in A-flat Major, "Aeolian Harp"
Etudes Op. 25: No. 6 in G-sharp Minor, "Thirds"
Etudes Op. 25: No. 8 in D-flat Major, "Sixths"
Etudes Op. 25: No. 10 in B Minor, "Octaves"
Etudes Op. 25: No. 11 in A Minor, "Winter Wind"
Etudes Op. 25: No. 12 in C Minor, "Ocean"
Prelude, Op. 32: No. 12 in G-sharp minor
Ten Pieces, Op. 12: 9. Scherzo Humoristique
Totentanz, Paraphrase on Dies Irae, solo piano
The Key Collection: 3 Centuries of Rare Keyboard Gems
Keyboard Sonata No. 4 in C Minor: 12 Keyboard Sonatas (1773): Sonata No. 4 in C Minor: III. Presto
Dolly Suite, Op. 56: I. Berceuse (arr. A Cortot for piano)
Keyboard Sonata No. 2 in E-Flat Major: 12 Keyboard Sonatas, Collection 2 (1777): Sonata No. 2 in E-Flat Major: II. Adagio assai
Piano Sonata in E-Flat Major, Op. 10, No. 1, P. XII:15: III. Allegretto
3 Neue Caprice-Sonaten, Op. 31: No. 2 in G Minor, "Amoroso": III. Allegretto
Piano Sonata in F Minor, Op. 5: II. Intermezzo: Allegro
Keyboard Sonata in A Major (1790): III. Presto
Sonata in D Major for Piano 4 Hands, Op. 6: II. Rondo: Moderato
Feuillets de voyage, Book 2, Op. 26: No. 2. Mazurka
Studio per il pianoforte, Book 1, Op. 30: No. 26 in G-Sharp Minor
8 Etudes After Cramer: Klavierübung in 10 Books, Book 7: 8 Etudes after Cramer: No. 5 in C Major
Piano Suite No. 3, Op. 18 "Pièces impromptues": Pièces impromptues, Op. 18, "Suite No. 3": I. Mélodie
Piano Sonata in B-Flat Minor, Op. 20, "Quasi una fantasia": III. Finale: Allegro con brio
7 Folk Dances: No. 5. Shushiki of Vagharshapat
Variations on the song Sredi dolinï rovnïye in A Minor (Among the Gentle Valleys)
10 Bagatelles, Op. 5: No. 6. Allegro con spirito
12 Études caractéristiques, Op. 2: No. 6 in F-Sharp Major, "Si oiseau j'étais, à toi je volerais!"
3 Compositions for Piano, Op. 7: No. 3. Arabeske: Vivace e leggiero
6 Bagatelles, Op. 3: Bagatelle No. 3: Poco adagio
Piano Sonata in B-Flat Minor, Op. 3, "Grande Sonate": IV. Finale: Allegro grazioso
Sonata for Piano 4 Hands in C Minor, Op. 49: III. Minuetto: Moderato
Rhapsody in Blue: Andantino moderato (version for piano)
Piano Concerto in B Minor: V. Finale (on fragments by E. Grieg)
Feuille d'Images: No. 2. Chanson de route: Avec entrain
Piano Sonata No. 2 in F Major, Op. 10: III. Allegro
Cenas portuguesas, Op. 9: Cenas Portuguesas, Op. 9: No. 2. Chula
Lincolnshire Posy: IV. The Brisk Young Sailor (version for 2 pianos)
24 Preludes, Op. 102: Prelude No. 4 in C-Sharp Minor: Allegro con fuoco
Lyric Pieces, Op. 5, Nos. 4-7: No. 7. Scherzino: Allegro scherzando
Hutsuls'ky tryptykh (Hutsul Triptych): I. Dytynstvo (Childhood)
Movie House: II. Maples in a Spruce Forest
Clarinet Concerto, Op. 78, "Autumn Pictures": II. Poetico
Christus factus est, WAB 11 (arr. S. Cox for 2 trumpets and 3 trombones)
7 Estudios en los tonos naturales mayores (7 Studies in the Natural Major Keys), Op. 65: No. 2. En Sol
Organ Sonata No. 3, "Nach alten Volksliedern": I. Ach Gott, wem soll ich's klagen
Cello Sonata No. 2: III. Scherzo: Molto vivace
String Quartet No. 3 in G Major, Op. 46b: III. Finale: Allegro assai con spirito
Cello Sonata No. 2 in A Minor, Op. 81: II. Andante cantabile
Dawn (Version for Mezzo-soprano, Violin & Piano)