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 0x24590d58f97cc0587a60775e21c7401f98896c359ac6e320f74a54dab7f7b80b. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/afa02723-cea7-4926-8424-804782ee3a36.json and https://artists.proofprofile.net/proofs/artist/afa02723-cea7-4926-8424-804782ee3a36.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Burgmueller Etudes, Opus 109-Awaking in the woods
Burgmueller Etudes, Opus 109-Spinning Song
Burgmueller Etudes, Opus 109-The Fountain
Burgmueller Etudes, Opus 109-Thunderstorm
Debussy Children's Corner (1908)-Golli's cake walk
Debussy Children's Corner (1908)-I. Doctor Gradus ad Parnassum
Debussy Children's Corner (1908)-Jimbo's Lullaby
Debussy Children's Corner (1908)-Serenade of the Doll
Debussy Children's Corner (1908)-The little Shepherd
Debussy Children's Corner (1908)-The snow is dancing
Debussy Suite bergamasque (1905)-Clair de Lune
Debussy Suite bergamasque (1905)-Passepied
Debussy Suite bergamasque (1905)-Prélude
Rachmaninov-Prélude C# minor, Opus 3-2 (1892)-Prélude (Lento - Agitato)
Rachmaninov-10 Préludes, Opus 23 (1903)-No. 2 (Maestoso)
Rachmaninov-10 Préludes, Opus 23 (1903)-No. 3 (Tempo di Minuetto)
Rachmaninov-10 Préludes, Opus 23 (1903)-No. 5 (Alla marcia)
Rachmaninov-10 Préludes, Opus 23 (1903)-No. 7 (Allegro)
Rachmaninov-13 Préludes, Opus 32 (1910)-No. 1 (Allegro vivace)
Rachmaninov-13 Préludes, Opus 32 (1910)-No. 13 (Grave)
Rachmaninov-8 Études-tableaux, Opus 33 (1914)-No. 5 (Non allegro - Presto)
Rachmaninov-8 Études-tableaux, Opus 33 (1914)-No. 6 (Allegro con fuoco)
Rachmaninov-8 Études-tableaux, Opus 33 (1914)-No. 8 (Grave)
Godowsky-53 Studies on Études on Frédéric Chopin (1914)-No. 1 (Allegro)
Godowsky-Transcription Albéniz Tango (1921)-Tango (Andantino grazioso)
Johann Sebastian Bach-The Well-Tempered Clavier Part I, BWV 846-869 (1722)-Prelude and Fugue in C major BWV 846
Johann Sebastian Bach-The Well-Tempered Clavier Part I, BWV 846-869 (1722)-Prelude and Fugue in C major BWV 847
Johann Sebastian Bach-The Well-Tempered Clavier Part I, BWV 846-869 (1722)-Prelude and Fugue in C major BWV 850
Clementi-Sonatina Opus 36 No. 2, Opus 36 (1797)-2. movement (Allegretto)
Clementi-Sonatina Opus 36 No. 6, Opus 36 (1797)-1. movement (Allegro con spirito)
Clementi-Sonatina Opus 36 No. 6, Opus 36 (1797)-2. movement (Rondo. Allegretto spiritoso)
Moszkowski-Étincelles, Opus 36-No. 6 (Allegro scherzando)
Balakirew-Islamej (Oriental fantasia) (1869)-Islamej (Presto con fuoco)
Ravel-Gaspard de la Nuit (1908)-Le Gibet (Très lent)
Ravel-Gaspard de la Nuit (1908)-Ondine (Lent)
Ravel-Gaspard de la Nuit (1908)-Scarbo (Modéré)
Ravel-Jeux d'eau (1901)-Jeux d'eau (Très doux)
Ravel-Miroirs (1905)-Noctuelles (Tres léger)
Clementi-Sonatina Opus 36 No. 1, Opus 36 (1797)-1. movement (Spiritoso)
Clementi-Sonatina Opus 36 No. 1, Opus 36 (1797)-2. movement (Andante)
Clementi-Sonatina Opus 36 No. 1, Opus 36 (1797)-3. movement (Vivace)
Clementi-Sonatina Opus 36 No. 2, Opus 36 (1797)-1. movement (Allegretto)
Clementi-Sonatina Opus 36 No. 2, Opus 36 (1797)-3. movement (Allegro)
Clementi-Sonatina Opus 36 No. 3, Opus 36 (1797)-1. movement (Spiritoso)
Clementi-Sonatina Opus 36 No. 3, Opus 36 (1797)-2. movement (Un poco adagio)
Clementi-Sonatina Opus 36 No. 3, Opus 36 (1797)-3. movement (Allegro)
Clementi-Sonatina Opus 36 No. 4, Opus 36 (1797)-1. movement (Con spirito)
Clementi-Sonatina Opus 36 No. 4, Opus 36 (1797)-2. movement (Andante con espressione)
Clementi-Sonatina Opus 36 No. 4, Opus 36 (1797)-3. movement (Rondo. Allegro vivace)
Clementi-Sonatina Opus 36 No. 5, Opus 36 (1797)-1. movement (Presto)
Clementi-Sonatina Opus 36 No. 5, Opus 36 (1797)-2. movement (Allegro moderato)
Clementi-Sonatina Opus 36 No. 5, Opus 36 (1797)-3. movement (Rondo. Allegro di molto)
Modest Petrovich Mussorgsky-Pictures At an Exhibition-1
Modest Petrovich Mussorgsky-Pictures At an Exhibition-2
Modest Petrovich Mussorgsky-Pictures At an Exhibition-4
Modest Petrovich Mussorgsky-Pictures At an Exhibition-5
Modest Petrovich Mussorgsky-Pictures At an Exhibition-6
Modest Petrovich Mussorgsky-Pictures At an Exhibition-7
Modest Petrovich Mussorgsky-Pictures At an Exhibition-8
Modest Petrovich Mussorgsky-Pictures At an Exhibition-9
Modest Petrovich Mussorgsky-Pictures At an Exhibition-10
Modest Petrovich Mussorgsky-Pictures At an Exhibition-11
Modest Petrovich Mussorgsky-Pictures At an Exhibition-12
Modest Petrovich Mussorgsky-Pictures At an Exhibition-13
Modest Petrovich Mussorgsky-Pictures At an Exhibition-14
Modest Petrovich Mussorgsky-Pictures At an Exhibition-15
Modest Petrovich Mussorgsky-Pictures At an Exhibition-16
Impromptus, D 899, Opus 90 (1827) No. 1 Music Box
Impromptus, D 899, Opus 90 (1827) No. 2 Music Box
Impromptus, D 899, Opus 90 (1827) No. 3 Music Box
Impromptus, D 899, Opus 90 (1827) No. 4 Music Box
Impromptus, D 935, Opus posth. 142 No. 1 Music Box
Impromptus, D 935, Opus posth. 142 No. 2 Music Box
Impromptus, D 935, Opus posth. 142 No. 3 Music Box
Impromptus, D 935, Opus posth. 142 No. 4 Music Box
Moments musicaux, D 780, Opus 94 (1828) No. 1 Music Box
Moments musicaux, D 780, Opus 94 (1828) No. 2 Music Box
Moments musicaux, D 780, Opus 94 (1828) No. 3 Music Box
Moments musicaux, D 780, Opus 94 (1828) No. 4 Music Box
Moments musicaux, D 780, Opus 94 (1828) No. 5 Music Box
Moments musicaux, D 780, Opus 94 (1828) No. 6 Music Box
Fantasia C major (Wanderer) , D 760, Opus 15 (1822) 1. Movement Music Box
Fantasia C major (Wanderer) , D 760, Opus 15 (1822) 2. Movement Music Box
Fantasia C major (Wanderer) , D 760, Opus 15 (1822) 3. Movement Music Box
Fantasia C major (Wanderer) , D 760, Opus 15 (1822) 4. Movement Music Box
Piano Sonata in A minor, D 784, Opus 143 (1823) 1. Movement Music Box
Piano Sonata in A minor, D 784, Opus 143 (1823) 2. Movement Music Box