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 0x8bf99de1da163bfb7ddaac99346c0a7dca3b0faf0d27244b26966d00f04c147f. 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/eecee2be-a08d-47db-a904-9b3574773529.json and https://artists.proofprofile.net/proofs/artist/eecee2be-a08d-47db-a904-9b3574773529.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Novák: Piano Concerto, Toman and the Wood Nymph
Concerto for Piano and Orchestra in E Minor: No. 1, Allegro energico
Concerto for Piano and Orchestra in E Minor: No. 2, Andante con sentimento
Concerto for Piano and Orchestra in E Minor: No. 3, Allegro giusto
At Dusk, Op. 13: No. 3, Serenade No. 1 Andante con moto
At Dusk, Op. 13: No. 4, Serenade No. 2 Andante grazioso
Toman and the Wood Nymph, Op. 40 "Symphonic poem after a Bohemian legend for large orchestra"
Concentus biiugis for Piano Four Hands and String Orchestra: I. Allegro energico
Concentus biiugis for Piano Four Hands and String Orchestra: II. Lento
Concentus biiugis for Piano Four Hands and String Orchestra: III. Allegro
Choreae vernales for Flute, String Orchestra and Harp with Celesta: I. Con liberta. Allegretto
Choreae vernales for Flute, String Orchestra and Harp with Celesta: II. Andante – Agitato
Choreae vernales for Flute, String Orchestra and Harp with Celesta: III. Lento – Allegro
Concerto for Two Pianos and Orchestra: I. Allegro
Concerto for Two Pianos and Orchestra: II. Andante
Concerto for Two Pianos and Orchestra: III. Allegro molto
Martinů: les fresques, the parables, estampes
Les Fresques de Piero della Francesca, .: Andante poco moderato
Les Fresques de Piero della Francesca, .: Adagio
Les Fresques de Piero della Francesca, .: Poco allegro
The Parables, .: The Parable of a Sculpture. Andante pastorale
The Parables, .: The Parable of a Garden. Poco moderato
The Parables, H.: The Parable of a Labyrinth. Poco allegro
Martinů: Bouquet of Flowers - Novák: Philharmonic Dances
Bouquet of Flowers, H. 260: No. 1, Overture
Bouquet of Flowers, H. 260: No. 2, His Sister a Poisoner
Bouquet of Flowers, H. 260: No. 3, Idyll
Bouquet of Flowers, H. 260: No. 4, The Little Girl Cowherds
Bouquet of Flowers, H. 260: No. 5, Intrada
Bouquet of Flowers, H. 260: No. 6, His Kind Sweetheart
Bouquet of Flowers, H. 260: No. 7, A Carol
Bouquet of Flowers, H. 260: No. 8, Man and Death
Piano Concerto in C Minor, Op. 185: I. Allegro
Piano Concerto in C Minor, Op. 185: II. Andante quasi larghetto
Piano Concerto in C Minor, Op. 185: III. Finale. Allegro
Caprice on Themes from König Alfred, Op. 65 No. 2
Flute Concerto in E Minor, Leeb 2.4: I. Allegro Con Brio
Flute Concerto in E Minor, Leeb 2.4: II. Adagio (Un Poco Andante)
Flute Concerto in E Minor, Leeb 2.4: III. Presto
Flute Concerto in a Minor, Leeb 2.16: I. Allegretto
Flute Concerto in a Minor, Leeb 2.16: II. Andante Ma Con Spirito
Flute Concerto in a Minor, Leeb 2.16: III. Vivace. Scherzando
Songs of Love and Justice: II. Difficulties
Songs of Love and Justice: III. Decisions
Preach the Word: I. Give Thanks to the Lord
I've Seen the Day: II. For My Unborn Son
I've Seen the Day: III. Where Have You Gone
Mulsant, Liebermann & Others: Piccolo Concertos
Piccolo Concerto, Op. 72: I. Lent expressif
Piccolo Concerto, Op. 50: I. Andante comodo - Allegro
Kilumac, Op. 36: II. Allegro ma non troppo
Piccolo Concerto: I. Allegro ma non troppo
Piccolo Concerto: III. Allegro scherzando
Martinů, Krása & Kalabis: Harpsichord Concertos
Harpsichord Concerto, H. 246: I. Poco allegro
Harpsichord Concerto, H. 246: II. Adagio
Harpsichord Concerto, H. 246: III. Allegretto
Kammermusik for Harpsichord and 7 Instruments: I. Bewegt
Kammermusik for Harpsichord and 7 Instruments: II. Sehr ruhig (gehend)
Concerto for Harpsichord and String Orchestra, Op. 42: I. Allegro leggiero
Concerto for Harpsichord and String Orchestra, Op. 42: II. Andante
Concerto for Harpsichord and String Orchestra, Op. 42: III. Allegro vivo
Viktor Kalabis: Strážnice OP. 9 / Divertimento OP. 10
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: I. Andante Con Moto. Maestoso Festivamente
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: II. Andante Quasi Polka
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: III. Allegro Con Brio. Leggierssimo
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: IV. Andante Passionato
Suite for Large Orchestra “Festival of Strážnice”, OP. 9: V. Vivo
Divertimento for Wind Quintet, OP. 10: I. Allegro Con Moto
Divertimento for Wind Quintet, OP. 10: II. Allegro Vivo
Divertimento for Wind Quintet, OP. 10: III. Andante (Poco Rubato)
Divertimento for Wind Quintet, OP. 10: IV. Vivo (Allegro Molto)
Divertimento for Wind Quintet, OP. 10: V. Allegro Ma Non Troppo
Concerto for Harp and Orchestra: I. Allegro Concertante. Tabulatura
Concerto for Harp and Orchestra: II. Tema E Variazioni
Concerto for Harp and Orchestra: III. Rondo. Con Brio
Concerto for Oboe and Chamber Orchestra: I. Canzonetta (Live)
Concerto for Oboe and Chamber Orchestra: II. Allegro Con Spirito (Live)
Concerto for Oboe and Chamber Orchestra: III. Notturno (Live)
Concerto for Oboe and Chamber Orchestra: IV. Vivace (Live)
Concerto for Flute and Orchestra "A Letter to My Father": I. Allegro Con Spirito (Live)
Concerto for Flute and Orchestra "A Letter to My Father": II. Fantasia (Live)
Concerto for Flute and Orchestra "A Letter to My Father": III. Nenia (Live)
Duets and Arias: Adam Plachetka & Kateřina Kněžíková
The Bartered Bride: People Only Prize Their Own
The Jacobin: We Wandered Lost Through Foreign Lands
The Cunning Peasant: Who Can Express in Words
The Bartered Bride: Oh, What Grief ... That Dream of Love
Rusalka: Alas, Alas ... Nothing in the World Can Give You
The Secret: As the Water Falls From the Hilltop
The Jacobin: Oh, God, Dear God ... In Autumn’s Hazel Shrubs
The Brandenburgers in Bohemia: Your Image, Maiden
The Devil’s Wall: No One? Oh, I Dreamt It Was So
The Jacobin: Make Fun of Me? ... Just Wait, You Fools
The Brandeburgers in Bohemia: You Here, Sir?
Bruckner: String Quintet in F Major (Arr. G. Schaller for Large Orchestra) & Overture in G Minor
String Quintet in F Major, WAB 112 (Revised 1884 Version) [Arr. G. Schaller for Large Orchestra]: I. Gemäßigt
String Quintet in F Major, WAB 112 (Revised 1884 Version) [Arr. G. Schaller for Large Orchestra]: II. Scherzo. Schnell - Trio. Langsamer
String Quintet in F Major, WAB 112 (Revised 1884 Version) [Arr. G. Schaller for Large Orchestra]: III. Adagio
Intermezzo in D Minor, WAB 113 (Arr. G. Schaller for Large Orchestra)
String Quintet in F Major, WAB 112: IV. Finale. Lebhaft bewegt (Revised 1884 Version) [Arr. G. Schaller for Large Orchestra]
Overture in G Minor, WAB 98 (1863 Version)
Giuditta: Meine Lippen, sie küssen so heiss
Land des Lächelns: Auftrittslied: Ich danke für die Huldigung
Gasparone: Wie freu' ich mich, Sie hier zu seh'n - Hüten Sie sich
Eine Nacht in Venedig: Ach, wie so herrlich zu schau'n
Die Csárdásfürstin: Heia, heia, in den Bergen ist mein Heimatsland
Bruder Straubinger: Küssen ist keine Sünd
Wiener Blut, Op. 354: Das eine kann ich nicht verzeih'n - Wiener Blut
Romantické kusy pro housle a klavír, Op. 75: I. Allegro moderato
Romantické kusy pro housle a klavír, Op. 75: II. Allegro maestoso
Romantické kusy pro housle a klavír, Op. 75: III. Allegro appassionato
Romantické kusy pro housle a klavír, Op. 75: IV. Larghetto
Sonáta pro housle a klavír d moll, Op. 17: I. Allegro non troppo ed appassionato
Sonáta pro housle a klavír d moll, Op. 17: II. Andante ma non troppo
Sonáta pro housle a klavír d moll, Op. 17: III. Scherzo. Molto vivace
Sonáta pro housle a klavír d moll, Op. 17: IV. Maestoso. Allegro molto
Klavírní trio g moll, Op. 15: I. Moderato assai
Klavírní trio g moll, Op. 15: II. Allegro ma non agitato
Klavírní trio g moll, Op. 15: III. Finale. Presto
Mazurek pro housle a orchestr e moll, Op. 49
Concerto grosso a moll pro dvoje housle a orchestr, Op. 3, č. 8 RV 522: I. Allegro
Concerto grosso a moll pro dvoje housle a orchestr, Op. 3, č. 8 RV 522: II. Larghetto e spirituoso
Concerto grosso a moll pro dvoje housle a orchestr, Op. 3, č. 8 RV 522: III. Allegro
Intermezzo "Letní den v horách" na slova lidové poesie moravské: I. Ráno
Intermezzo "Letní den v horách" na slova lidové poesie moravské: II. Odpoledne na mezi
Intermezzo "Letní den v horách" na slova lidové poesie moravské: III. Večer
Partita: III. Passacaglia (Andante - Allegro vivo - Finale)
Aria in Classic Style for Harp and Strings, OP. 19
Variations on the Air "Jay Du Bon Tabac"
Harp Concerto, OP. 182: I. Allegro Moderato
Harp Concerto, OP. 182: III. Scherzo. Finale. Allegro Vivace
String Quartet No. 1 in E Minor, JB 1:105: I. Allegro vivo appassionato
String Quartet No. 1 in E Minor, JB 1:105: II. Allegro moderato à la polka
String Quartet No. 1 in E Minor, JB 1:105: III. Largo sostenuto
String Quartet No. 1 in E Minor, JB 1:105: IV. Vivace
Festive Symphony in E Major, Op. 6, JB 1:59: I. Allegro vivace
Festive Symphony in E Major, Op. 6, JB 1:59: II. Largo maestoso
Festive Symphony in E Major, Op. 6, JB 1:59: III. Scherzo. Allegro vivo
Festive Symphony in E Major, Op. 6: IV. Finale. Allegro non troppo ma energico
Má vlast, JB 1:112: IV. From Bohemian´s Woods and Fields
Krejčí: Symphony No. 2 - Konvalinka: Symphonic Poem
Symphony No. 2 in C-Sharp Major: I. Molto allegro
Symphony No. 2 in C-Sharp Major: II. Scherzino. Allegro molto, quasi presto
Symphony No. 2 in C-Sharp Major: III. Allegro moderato
Symphony No. 2 in C-Sharp Major: IV. Allegro molto
Symphonic Poem for Violin and Large Orchestra
Piano Concerto No. 1 C Major, Op. 15: I. Allegro con brio
Piano Concerto No. 1 C Major, Op. 15: II. Largo
Piano Concerto No. 1 C Major, Op. 15: III. Rondo. Allegro scherzando
Piano Concerto No. 1 E-Flat Major, S. 124: I. Allegro maestoso
Piano Concerto No. 1 E-Flat Major, S. 124: II. Quasi adagio
Piano Concerto No. 1 E-Flat Major, S. 124: III. Allegretto vivace
Piano Concerto No. 1 E-Flat Major, S. 124: IV. Allegro marziale animato
Ciaccona No. 5 from Partita for solo violin D Major, BVW 1004
Sonata No. 9 A Minor: II. Arioso. Andante con moto
Mattinata - Arr. for Voice & Orchestra by Daniel Matoušek
Musica Proibita, Op. 5 - Arr. for Voice & Orchestra by Daniel Matoušek
Core 'ngrato - Arr. for Voice & Orchestra by Daniel Matoušek
‘O sole mio - Arr. for Voice & Orchestra by Daniel Matoušek
Les soirées musicales: No. 8. La danza (Tarentella) - Arr. for Voice & Orchestra by Daniel Matoušek
Ideale - Arr. for Voice & Orchestra by Daniel Matoušek
'A vucchella - Arr. for Voice & Orchestra by Daniel Matoušek
Marechiare - Arr. for Voice & Orchestra by Daniel Matoušek
Torna a Surriento - Arr. for Voice & Orchestra by Daniel Matoušek
Reger, Shostakovich: Compositions for Cello
Suite for Cello Solo No. 2 in D Minor, Op. 131c: Preludium
Suite for Cello Solo No. 2 in D Minor, Op. 131c: Gavotte
Suite for Cello Solo No. 2 in D Minor, Op. 131c: Largo
Suite for Cello Solo No. 2 in D Minor, Op. 131c: Gigue
Cello Concerto No. 1 in E-Flat Major, Op. 107: I. Allegretto III
Cello Concerto No. 1 in E-Flat Major, Op. 107: II. Moderato (att.)
Cello Concerto No. 1 in E-Flat Major, Op. 107: III. Cadenza (att.)
Cello Concerto No. 1 in E-Flat Major, Op. 107: IV. Allegro con moto
Martinů: Piano Concerto No. 1 - Shostakovich: 24 Preludes and Fugues
Piano Concerto No. 1 in D Major, H. 149: I. Allegro moderato
Piano Concerto No. 1 in D Major, H. 149: II. Andante
Piano Concerto No. 1 in D Major, H. 149: III. Allegro
24 Preludes & Fugues, Op. 87: No. 7 in A Major, Prelude - Allegro poco moderato. Fugue - Allegretto
24 Preludes & Fugues, Op. 87: No. 24 in D Minor, Prelude - Andante. Fugue - Moderato
Mandala: V. Mandala Theme Quintet - Live
The Blues of a String Hanging in the Wind
By September, We Are Usually Still Fresh, and So Is the Air
How Many Times a Year Do You Fly into Space?
He Always Spent a Good Part of His Summer Dreaming by the Little Hitachi
As Long As We Ask Questions, There Is Still Hope
The Sight Made Their Heads Spin, So They Had to Sit Down
I Have to Think, He Said, So They Didn´t Disturb Him
Clarinet Concerto in A Major, K. 622: I. Allegro
Clarinet Concerto in A Major, K. 622: II. Adagio
Clarinet Concerto in A Major, K. 622: III. Rondo. Allegro
Concerto In Si Bem. Maggiore Per Violoncello E Orchestra - Allegro
Concerto In Si Bem. Maggiore Per Violoncello E Orchestra - Adagio
Concerto In Si Bem. Maggiore Per Violoncello E Orchestra - Rondò (Allegro)
Concerto In Re Maggiore Per Flauto E Orchestra - Allegro Moderato
Concerto In Re Maggiore Per Flauto E Orchestra - Adagio
Concerto In Re Maggiore Per Flauto E Orchestra - Rondò (Allegretto)
Quartetto In Mi Bem. Maggiore Op.58 N.2 - Allegro Lento
Quartetto In Mi Bem. Maggiore Op.58 N.2 - Minuetto (Allegro)
Quartetto In Mi Bem. Maggiore Op.58 N.2 - Larghetto
Quartetto In Mi Bem. Maggiore Op.58 N.2 - Finale (Allegro Vivo Assai)
Kovařovic, Bořkovec, Kaprálová: Forgotten Czech Piano Concertos
Piano Concerto in F Minor, Op. 6: I. Allegro affettuoso
Piano Concerto in F Minor, Op. 6: II. Larghetto
Piano Concerto in F Minor, Op. 6: III. Vivace. Scherzando
Piano Concerto in D Minor, Op. 7: I. Allegro entusiastico
Piano Concerto in D Minor, Op. 7: II. Largo
Piano Concerto in D Minor, Op. 7: III. Allegro
Alone/Together: The Dreams & Diversity of the American Composer
Alone Together: I. Strange Pandemic Times
The Great Chaplin: I. Just Kidding Around
The Great Chaplin: III. Lights! Camera! Action!
A Legacy of the African American Classical Spirit
Song Cycle for Baritone & Orchestra: I. The Wise
Song Cycle for Baritone & Orchestra: II. The Loss of Love
Song Cycle for Baritone & Orchestra: III. Incident
Song Cycle for Baritone & Orchestra: IV. Fruit of the Flower
Song Cycle for Baritone & Orchestra: V. For a Lady
Fantasy in G for Violin & Chamber Orchestra (The Gospel Train)
Svatopluk Havelka Symphonic Works, Vol. 1
Symphony NO. 1 in B-Flat Minor: I. Largo
Symphony NO. 1 in B-Flat Minor: II. Scherzo. Presto
Symphony NO. 1 in B-Flat Minor: III. Finale. Allegro Vivace
Symphony NO.1 "Sumava": IV. Allegretto. Tempo di valse
Violin Concerto: II. Song of a Wandering Violin. Largo
Piano Concerto: II. Andante Rubato – End of the Old World
Martinů: Concerto for Violin, Piano and Orchestra, Violin Sonata No. 3, Five Short Pieces
Concerto for Violin, Piano and Orchestra, H. 342: I. Poco allegro
Concerto for Violin, Piano and Orchestra, H. 342: II. Adagio
Concerto for Violin, Piano and Orchestra, H. 342: III. Allegro
Sonata No. 3 for Violin and Piano, H. 303: I. Poco allegro
Sonata No. 3 for Violin and Piano, H. 303: II. Adagio
Sonata No. 3 for Violin and Piano, H. 303: III. Scherzo
Sonata No. 3 for Violin and Piano, H. 303: IV. Lento - Moderato - Allegro
Five Short Pieces for Violin and Piano, H. 184: I. Allegro moderato
Five Short Pieces for Violin and Piano, H. 184: II. Andante
Five Short Pieces for Violin and Piano, H. 184: III. Allegretto moderato
Five Short Pieces for Violin and Piano, H. 184: IV. Allegro vivo - Presto
Five Short Pieces for Violin and Piano, H. 184: V. Allegro - Poco moderato
Variations on the Theme of Bohuslav Martinů
Mystery of Time. Passacaglia for Large Orchestra, Op. 31
Hamlet Improvisation for Large Orchestra, Op. 46
Metamorphoses II of the oldest Czech Hymn "Hospodine, pomiluj ny", Op. 58: I.
Metamorphoses II of the oldest Czech Hymn "Hospodine, pomiluj ny", Op. 58: II.
Metamorphoses II of the oldest Czech Hymn "Hospodine, pomiluj ny", Op. 58: III.
Metamorphoses II of the oldest Czech Hymn "Hospodine, pomiluj ny", Op. 58: IV.
Metamorphoses II of the oldest Czech Hymn "Hospodine, pomiluj ny", Op. 58: V.
Metamorphoses II of the oldest Czech Hymn "Hospodine, pomiluj ny", Op. 58: VI.
Orchestrální skladby Jiřího Gemrota a Jaroslava Krčka
Symfonie Č. 2: II. Con moto, ma tranquillo (Live)
Symfonie Č. 2: IV. Finale. Non troppo presto (Live)
Flosman, Feld & Bodorová - Czech Viola Concertos
Concerto for Viola and Orchestra: No. 1, Lento ma non troppo
Concerto for Viola and Orchestra: No. 2, Allegro con spirito
Concerto for Viola and Orchestra: No. 3, Lento ma non troppo
Visions of Michelangelo for Viola and Orchestra
Plankty for Viola and Symphonic Orchestra
Piano Sonata No. 1 in C, Op.1 in C Major: I. Scherzo
Concertos for Trumpet and Orchestra: Jiří Houdek
Concerto for Trumpet and Orchestra D Major: I. Allegro moderato
Concerto for Trumpet and Orchestra D Major: II. Andante
Concerto for Trumpet and Orchestra D Major: III. Allegro
Concerto for Trumpet and Orchestra D Major: I. Adagio
Concerto for Trumpet and Orchestra D Major: II. Allegro moderato
Concerto for Trumpet and Orchestra No. 2 D Major, MH 60: I. Adagio
Concerto for Trumpet and Orchestra No. 2 D Major, MH 60: II. Allegro
Concerto for Trumpet, Strings and Basso Continuo E Major: I. Allegro
Concerto for Trumpet, Strings and Basso Continuo E Major: II. Largo
Concerto for Trumpet, Strings and Basso Continuo E Major: III. Vivace
The Greek Passion, H. 372, Act I: Christ Is Risen. Joy! (Kněz Grigoris, Kostandis, majitel kovárny, Janakos, podomní obchodník, Panait / Jidáš, Manolios, ovčák)