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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11fbad2565ac23ea59a1b6af426d897d10165c001d82dfb6374c33fd3c71763c. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/186599c7-8af3-4def-a257-4251762170d5.json and https://artists.proofprofile.net/proofs/artist/186599c7-8af3-4def-a257-4251762170d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rubinstein: Piano Concerto No. 4 in D Minor, Op. 70 & Caprice russe, Op. 102 (Live)
Piano Concerto No. 4 in D Minor, Op. 70: I. Moderato assai (Live)
Piano Concerto No. 4 in D Minor, Op. 70: II. Andante (Live)
Piano Concerto No. 4 in D Minor, Op. 70: III. Allegro (Live)
Piano Concerto in A Minor, Op. 7: I. Allegro maestoso
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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da6db885ac30ddab735bb4d0e4c59bb0c28ce619a2d9f74941f21014598172b. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA4A2400027.
Piano Concerto in A Minor, Op. 7: II. Romanze
Piano Concerto in A Minor, Op. 7: III. Finale. Allegro non troppo - Allegro molto
4 Pièces fugitives, Op. 15: No. 1, Larghetto
4 Pièces fugitives, Op. 15: No. 2, Un poco agitato
4 Pièces fugitives, Op. 15: No. 3, Andante espressivo
4 Pièces fugitives, Op. 15: No. 4, Scherzo
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6 Pièces humoristiques, Op. 87: No. 4, Autrefois
6 Airs de danse, Op. 37 "Callirhoë": No. 3, Pas des écharpes
Poèmes provençaux, Op. 127: No. 2, Solitude
Poèmes provençaux, Op. 127: No. 3, Le passé
6 Pièces romantiques, Op. 55: No. 1, Primavera
6 Pièces romantiques, Op. 55: No. 2, La chaise à porteurs
6 Pièces romantiques, Op. 55: No. 3, Idylle arabe
6 Pièces romantiques, Op. 55: No. 4, Sérénade d'automne
6 Pièces romantiques, Op. 55: No. 5, Danse hindoue
6 Pièces romantiques, Op. 55: No. 6, Rigaudon
Das Jahr, H. 385: I. January: A Dream. Adagio, quasi una Fantasia
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Das Jahr, H. 385: II. February: Scherzo. Presto
Das Jahr, H. 385: IV. April: Capriccioso. Allegretto
Das Jahr, H. 385: V. May: Spring Song. Allegro vivace e gioioso
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Das Jahr, H. 385: VI. June: Serenade. Largo
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Das Jahr, H. 385: VII. July: Serenade. Larghetto
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Das Jahr, H. 385: IX. September: At the River. Andante con moto
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Das Jahr, H. 385: X. October: Allegro con spirituo
Das Jahr, H. 385: XII. December: Allegro molto
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Das Jahr, H. 385: XIII. Postlude: Nachspiel. Chorale
Femmes de Légende: I. Mélisande, Op. 109: Andantino
Femmes de Légende: II. Desdémona, Op. 101: Andantino
Femmes de Légende: III. Ophélie, Op. 165: Très lent
Femmes de Légende: IV. Viviane, Op. 80: Assez vite
Femmes de Légende: V. Phoebé, Op. 30: Poco Andante
Femmes de Légende: VI. Salomé, Op. 100: Assez vif
Femmes de Légende: VII. Omphale, Op. 86: Modéré
Anton Rubinstein: Piano Concertos Nos. 1 & 2, Pièces caractéristiques, Op. 50
Piano Concerto No. 1 in E Minor, Op. 25: I. Moderato
Piano Concerto No. 1 in E Minor, Op. 25: II. Andante con moto
Piano Concerto No. 1 in E Minor, Op. 25: III. Con moto
6 Pièces caractéristiques, Op. 50 (Arr. for Orchestra by Arkady Leytush): No. 3, Barcarole
6 Pièces caractéristiques, Op. 50 (Arr. for Orchestra by Arkady Leytush) : No. 5, Berceuse
Piano Concerto No. 2 in F Major, Op. 35: I. Allegro vivace assai risoluto con fuoco
Piano Concerto 2 in F Major, Op. 35: II. Adagio non troppo
Piano Concerto No. 2 in F Major, Op. 35: III. Moderato
Piano Sonata in G Minor: I. Allegro molto agitato
Piano Sonata in G Minor: IV. Finale. Presto
6 Concert Etudes, Op. 35: No. 2, Automne
6 Concert Etudes, Op. 35: No. 1, Scherzo
Piano Concerto No. 3 in G Major, Op. 45: I. Moderato assai
Piano Concerto No. 3 in G Major, Op. 45: II. Andante
Piano Concerto No. 3 in G Major, Op. 45: III. Allegro
Piano Concerto No. 5 in E-Flat Major, Op. 94: I. Allegro moderato
Piano Concerto No. 5 in E-Flat Major, Op. 94: II. Andante
Piano Concerto No. 5 in E-Flat Major, Op. 94: III. Allegro
Suite on Ukrainian Themes, Op. 2: I. Prelude
Suite on Ukrainian Themes, Op. 2: II. Courante
Suite on Ukrainian Themes, Op. 2: III. Toccata
Suite on Ukrainian Themes, Op. 2: IV. Sarabanda
Suite on Ukrainian Themes, Op. 2: V. Gavotte
Suite on Ukrainian Themes, Op. 2: VI. Scherzo
Taras Bul'ba: Overture (Arr. L.M. Revutsky for Piano Duo)
3 Preludes, Op. 4: No. 1 in D-Flat Major
3 Preludes, Op. 4: No. 2 in F-Sharp Minor
3 Preludes, Op. 4: No. 3 in C-Sharp Minor
2 Preludes, Op. 7: No. 1 in E-Flat Major
2 Preludes, Op. 7: No. 2 in B-Flat Minor
3 Extravagant Dances: No. 1, Entrance & Dance. Almost Spanish-Moorish
3 Extravagant Dances: No. 2, Blues. Almost American
3 Extravagant Dances: No. 3, Can-Can. As from an Old Gramophone Plate
Piano Concerto No. 1 in D-Flat Major, Op. 10: I. Allegro brioso
Piano Concerto No. 1 in D-Flat Major, Op. 10: II. Andante assai
Piano Concerto No. 1 in D-Flat Major, Op. 10: III. Allegro scherzando
Piano Concerto No. 2 in G Minor, Op. 16: I. Andantino
Piano Concerto No. 2 in G Minor, Op. 16: II. Scherzo. Vivace
Piano Concerto No. 2 in G Minor, Op. 16: III. Intermezzo. Allegro moderato
Piano Concerto No. 2 in G Minor, Op. 16: IV. Finale. Allegro tempestoso
A Farewell to St. Petersburg: No. 10. Zhavoronok (The Lark) (arr. M. Balakirev for piano)
12 Pieces, Op. 40, TH 138: 12 Morceaux, Op. 40: No. 8. Valse in A-Flat Major
6 Pieces, Op. 51, TH 143: 6 Morceaux, Op. 51: No. 5. Romance
12 Pieces, Op. 40, TH 138: 12 Morceaux, Op. 40: No. 9. Valse in F-Sharp Minor
2 Pieces, Op. 10, TH 132: 2 Morceaux, Op. 10: No. 1. Nocturne in F Major
Pictures at an Exhibition: II. Old Castle
Pictures at an Exhibition: III. Tuileries
Pictures at an Exhibition: V. Ballet of the Chickens in their Shells
Pictures at an Exhibition: VI. Samuel Goldenberg and Schmuyle
Pictures at an Exhibition: VII. The Market-Place at Limoges
Pictures at an Exhibition: VIII. Catacombae (Sepulcrum romanum) -
Pictures at an Exhibition: VIII. Con mortuis in lingua mortua
Pictures at an Exhibition: IX. The Hut on Fowl's Legs (Baba-Yaga)
Pictures at an Exhibition: X. The Great Gate at Kiev
Violin Partita No. 2 in D Minor, BWV 1004: V. Chaconne (arr. F. Busoni for piano)
Années de pèlerinage II, Italie, S. 161: No. 5, Sonetto 104 del Petrarca
12 Lieder von Schubert, S. 558: No. 8, Gretchen am Spinnrade
Isoldes Liebestod, S. 447 (After R. Wagner)
Piano Sonata No. 1 in F-Sharp Minor, Op. 11: I. Introduzione: Un poco adagio - Allegro vivace
Piano Sonata No. 1 in F-Sharp Minor, Op. 11: II. Aria
Piano Sonata No. 1 in F-Sharp Minor, Op. 11: III. Scherzo: Allegrissimo - Intermezzo: Lento
Piano Sonata No. 1 in F-Sharp Minor, Op. 11: IV. Finale: Allegro un poco maestoso