Yevgeny Olegovich Sudbin (; born 19 April 1980)Caroline Benser, At the Piano: Interviews with 21st-Century Pianists, p. 125. Retrieved 27 February 2014 is a Russian-born British concert pianist. He st
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xfcd511e580a18b8cbc994a4a86a97fb0e2f153928fadbcf96b4d74aa6305bac2. 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/f17bfa7d-3587-483f-832f-e5c24e455aaa.json and https://artists.proofprofile.net/proofs/artist/f17bfa7d-3587-483f-832f-e5c24e455aaa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Beethoven: Piano Concerto No. 3 - Mozart: Piano Concerto No. 24
Romeo & Juliet: Tchaikovsky on the Piano
Scriabin: The Poem of Ecstasy, Op. 54, Prometheus, Op. 60 & Piano Sonata No. 5, Op. 53
Tchaikovsky, Schnittke & Babajanian: Works for Piano Trio
Beethoven: 6 Bagatelles & Piano Sonatas Nos. 31 & 32
Rachmaninoff: Piano Concertos Nos. 2 & 3
Schumann: Piano Quartet, Op. 47 - Brahms: Piano Quintet, Op. 34
Medtner: Piano Concerto No. 3, Op. 60 - Scriabin: Piano Concerto, Op. 20
Rachmaninov: Symphony No. 1 & Piano Concerto No. 1
Liszt: Funérailles - 3 Sonetti del Petrarca - Saint-Saëns: Danse macabre - Ravel: Gaspard de la nuit
Chopin: Fantaisie in F minor - Ballades - Mazurkas - Nocturnes
Rachmaninov, S.: Piano Concerto No. 4 (original 1926 version) / Medtner, N.: Piano Concerto No. 2
Tchaikovsky; Piano Concerto No. 1 / Medtner: Piano Concerto No. 1 / Liebliches Kind!
Rachmaninov: Variations On A Theme of Chopin / Piano Sonata No. 2
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1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
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Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
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Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
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Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio
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Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
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Symphony No. 1 in D Minor, Op. 13: I. Grave - Allegro ma non troppo
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Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante
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Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato
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Piano Concerto No. 4 in G Major, Op. 58: II. Andante con moto
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": III. Rondo. Allegro
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Piano Concerto No. 4 in G Major, Op. 58: III. Rondo. Vivace
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": II. Adagio un poco mosso
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Keyboard Sonata No. 47 in B Minor, Hob. XVI:32: II. Menuet
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String Quartet No. 53 in D Major, Op. 64, No. 5, Hob. III:63, "the Lark": IV. Finale. Vivace (Arr. For piano)
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Keyboard Sonata No. 47 in B Minor, Hob. XVI:32: I. Allegro moderato
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Keyboard Sonata in C Major, Op. 79, Hob. XVI:50: I. Allegro
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Piano Concerto No. 4 in G Minor, Op. 40: I. Allegro (Original 1926 Version)
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12 Songs, Op. 14: No. 11, Vesenniye vodi (Arr. Y. Sudbin for piano)
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Piano Concerto No. 2 in C Minor, Op. 50: II. Romanza. Andante con moto
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Prelude & Nocturne for the Left Hand, Op. 9: 3 Pieces, Op. 2: No. 1, Etude in C-Sharp Minor
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12 Études, Op. 8: 12 Etudes, Op. 8: No. 12 in D-Sharp Minor
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Piano Concerto No. 1 in B-Flat Minor, Op. 23, TH 55: II. Andantino
Orquestra Sinfônica do Estado de São Paulo
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Piano Concerto No. 1 in C Minor, Op. 33: Allegro -
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Piano Concerto No. 1 in C Minor, Op. 33: Coda. Allegro molto
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9 Goethe Songs, Op. 6, No. 5. Liebliches Kind!: 9 Goethe Songs, Op. 6: No. 5, Liebliches Kind! (Arr. Y. Sudbin)
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Variations on a Theme of Chopin, Op. 22: Var. 11, 13-18
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Variations on a Theme of Chopin, Op. 22: Var. 19-22
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Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato (Arr. V. Horowitz for piano)
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Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. L'istesso tempo - Allegro molto (Arr. V. Horowitz for piano)
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Variations on a Theme of Chopin, Op. 22: Theme - Var. 1-10
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Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro - Lento (Arr. V. Horowitz for piano)
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3 Old Viennese Dances: Liebesleid (trans. S. Rachmaninov)
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Piano Concerto No. 2 in B-Flat Major, Op. 19: III. Rondo. Molto allegro
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Piano Concerto No. 1 in C Major, Op. 15: I. Allegro con brio (Cadenza by Y. Sudbin)
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Piano Concerto No. 1 in C Major, Op. 15: II. Largo
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Piano Concerto No. 2 in B-Flat Major, Op. 19: I. Allegro con brio
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Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio
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Life with an Idiot: Tango (Arr. Y. Sudbin for Piano Trio)
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Piano Trio in F-Sharp Minor: II. Andante
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Piano Sonata No. 31 in A-Flat Major, Op. 110: I. Moderato cantabile molto espressivo
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Piano Sonata No. 31 in A-Flat Major, Op. 110: II. Allegro molto
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Piano Sonata No. 31 in A-Flat Major, Op. 110: III. Adagio ma non troppo - Fuga. Allegro ma non troppo
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Piano Sonata No. 32 in C Minor, Op. 111: II. Arietta. Adagio molto semplice e cantabile
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6 Bagatelles, Op. 126: No. 1, Andante con moto, cantabile e con piacevole
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6 Bagatelles, Op. 126: No. 3, Andante, cantabile ed espressivo
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Piano Sonata No. 32 in C Minor, Op. 111: I. Maestoso - Allegro con brio ed appassionato
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Piano Quartet in E-Flat Major, Op. 47: IV. Finale. Vivace
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Piano Quartet in E-Flat Major, Op. 47: II. Scherzo. Molto vivace
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Piano Quartet in E-Flat Major, Op. 47: III. Andante cantabile
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Keyboard Sonata in F-Sharp Major, Kk. 318
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2 Tales, Op. 20: No. 1, Allegro con espressione
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8 Stimmungsbilder: No. 1, Prologue. Andante cantabile
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6 Tales, Op. 51: No. 3, Allegretto tranquillo e grazioso
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Forgotten Melodies, Cycle 1, Op. 38: No. 1, Sonata reminiscenza
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4 Tales, Op. 26: No. 1, Allegretto frescamente
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Forgotten Melodies, Cycle 2, Op. 39: No. 4, Canzon matinata
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Forgotten Melodies, Cycle 2, Op. 39: No. 5, Sonata tragica
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Piano Concerto No. 3 in E Minor, Op. 60 "Ballade": I. Con moto largamento - Allegro con moto
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Piano Concerto in F-Sharp Minor, Op. 20: I. Allegro
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Piano Concerto in F-Sharp Minor, Op. 20: II. Andante
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Piano Concerto No. 3 in E Minor, Op. 60 "Ballade": III. Finale. Allegro molto
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Années de pèlerinage, 2nd year, Italy, S. 161/R. 10b: No. 5, Sonetto 104 del Petrarca (Sonnet 104 of Petrarch)
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Danse macabre, Op. 40 (Arr. F. Liszt, V. Horowitz and y. Sudbin for piano)
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Harmonies poetiques et religieuses, S. 173/R. 14: VII. Funerailles
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12 Études d'exécution transcendante, S. 139/R. 2b: No. 11 in D-Flat Major, "Harmonies du soir"
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Années de pèlerinage, 2nd year, Italy, S. 161/R. 10b: No. 4, Sonetto 47 del Petrarca (Sonnet 47 of Petrarch)
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Années de pèlerinage, 2nd year, Italy, S. 161/R. 10b: No. 6, Sonetto 123 del Petrarca (Sonnet 123 of Petrarch)
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Nocturne in C Minor, Op. 48 No. 1: Nocturne No. 13 in C Minor, Op. 48, No. 1
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Keyboard Sonata in F Minor, Kk. 466: Keyboard Sonata in F Minor, K.466/L.118/P.501: Andante
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Keyboard Sonata in F Minor, Kk. 365: Keyboard Sonata in F Minor, K.365/L.480/P.112: Allegro
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Keyboard Sonata in B Minor, Kk. 87: Keyboard Sonata in B Minor, K.87/L.33/P.43
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Keyboard Sonata in F-Sharp Minor, K.448/L.485/P.261: Allegro
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Keyboard Sonata in D Major, Kk. 492: Keyboard Sonata in D Major, K.492/L.14/P.443: Presto
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Keyboard Sonata in G Major, K.455/L.209/P.354: Allegro
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Keyboard Sonata in C-Sharp Minor, K.246/L.260/P.296: Allegro
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Keyboard Sonata in B Minor, K.197/L.147/P.124: Andante
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Keyboard Sonata in B-Flat Major, Kk. 545 (L. 500): Prestissimo
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Keyboard Sonata in D Major, K.435/L.361/P.466: Allegro
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Keyboard Sonata in C Major, K.487/L.205/P.421: Allegro
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Keyboard Sonata in G Minor, K.30/L.499/P.86: Moderato
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Keyboard Sonata in E Major, K.20/L.375/P.76: Presto
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Keyboard Sonata in A Major, K.429/L.132/P.132: Allegro
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Keyboard Sonata in G Major, Kk. 427: Keyboard Sonata in G Major, K.427/L.286/P.286: Presto quanto sia possible
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Keyboard Sonata in B Minor, Kk. 27: Keyboard Sonata in B Minor, K.27/L.449/P.83: Allegro
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Keyboard Sonata in A Major, Kk. 24: Keyboard Sonata in A Major, K.24/L.495/P.80: Presto
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Cello Sonata in B Minor: III. Maestoso - Presto (Abridged Version)
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Weinberg: Cello Sonatas Nos. 1 and 2 / Cello Solo
Scriabin: 24 Preludes, Op. 11: No. 2 in A Minor. Allegretto
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Scriabin: 12 Études, Op. 8: No. 4 in B Major. Piacevole
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Un moto di gioia mi sento, K. 579: Un moto di gioia, K. 579 (orig. For Le nozze di Figaro)
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Così fan tutte, K. 588, Act I: Recitative. Temerari, sortite - Aria. Come scoglio immoto resta
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Exsultate jubilate, K. 165, III. Alleluia: Fulget amica dies
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Exsultate jubilate, K. 165, III. Alleluia: Alleluja
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