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 0x1b2b4f5d40fa9aa4d4b70204ee651c2d9fd9083ce4f1c3d835a0400859f233bd. 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/969acc38-a0dd-4fbb-9966-3a85a9baf36a.json and https://artists.proofprofile.net/proofs/artist/969acc38-a0dd-4fbb-9966-3a85a9baf36a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata #8 ''Pathetique'' Op. 13 - Grave - Allegro metto e con br
Sonata #20 Op. 49 #2 - Allegro ma non troppo
Sonata #14 Quasi una Fantasia Op.27 #2 (Moonlight) - Adagio sost
Sonata#23 Op.57 (Appassionata) - Allegro assai
Sonata #26 Op.81 (Les Adieux) - Das Lebewohl adagio allegro
Abweusendeit andante espressivo, Das Wiedersehen Vivacissimament
Beethoven: Sonata No. 8 "pathetique": Grave
Beethoven: Sonata No. 8 "pathetique": Adagio Cantabile
Beethoven: Sonata No. 8 "pathetique": Allegro
Beethoven: Sonata No. 20: Allegro Ma Non Troppo
Beethoven: Sonata No. 20: Tempo Di Minuetto
Beethoven: Sonata No. 8 "Pathetique": Grave
Beethoven: Sonata No. 8 "Pathetique": Adagio Cantabile
Beethoven: Sonata No. 8 "Pathetique": Allegro
Love Scenes--Songs of Passion for Valentine's Day
Piano Inspiracion I : Sobre Besame Mucho
Piano Inspiracion III : Sobre One Note Zamba
Introduction: Piano Sonata No. 8 in C Minor, Op. 13 "Pathetique": I. Grave - Allegro di molto e con brio
Piano Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
Eleven Bagatelles, No. 1 in G Minor, Op. 119: Allegretto
Piano Sonata No. 8 in C Minor, Op. 13 "Pathetique": I. Grave - Allegro di molto e con brio
Piano Sonata No. 8 in C Minor, Op. 13 "Pathetique": II. Adagio cantabile
Piano Sonata No. 8 in C Minor, Op. 13 "Pathetique": III. Rondo: Allegro
Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo
Piano Sonata No. 20 in G Major, Op. 49 No. 2: II. Rondo: Tempo de minuetto
Piano Sonata No. 19 in G Minor, Op. 49 No. 1: I. Andante
Piano Sonata No. 19 in G Minor, Op. 49 No. 1: II. Rondo: Allegro
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2, "Moonlight": I. Adagio sostenuto
Final: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2 "Moonlight": I. Adagio sostenuto
Introduccion: Sonata para Piano No. 8 En do Menor, 'patetica' Op. 13: I. Movimiento, Grave-Allegro Di Molto e Con Brio
Bagatela para Piano En la Menor, Woo 59: Para Elisa
Minueta para Piano en Sol Woo 10 No. 2: Minueta
Bagatela para Piano en Sol Op. 119, No. 1: Bagatela
Sonata para Piano No. 8 En do Menor, 'patetica' Op. 13: I. Movimiento, Grave- Allegro Di Molto e Con Brio
Sonata para Piano No. 8 En do Menor, 'patetica' Op. 13: II. Movimiento, Adagio Cantabile
Sonata Para Piano No. 8 En do Menor, Patetica, Op. 13: III. Movimiento, Rondo: Allegro
Sonata para Piano No. 20 En Sol, Op. 49 No. 2: I. Movimiento, Allegro Ma Non Troppo
Sonata para Piano No. 20 En Sol, Op. 49, No. 2: II. Movimiento, Tempo Di Minuetto
Sonata para Piano No. 19 En Sol, Op. 49, No. 1: I. Movimiento, Andante
Sonata para Piano No. 19 en Sol Menor, Op. 49, No. 1: II. Movimiento, Rondo: Allegro
Sonatina para Piano En Sol Woo, Ahn 5, No. 2: Moderato, Romance
Sonata para Piano No. 14 En Do Sostenido Mayor, Claro de Luna Op 27, No. 2: I. Movimiento 'quasi una Fantasia', Adagio Sostenuto
Final: Sonata para Piano No. 14 En Do Sostenido Mayor, Claro de Luna Op 27, No. 2: I. Movimiento 'quasi una Fantasia', Adagio Sostenuto
Piano Sonata in B Minor, S 178: Lento assai - Allegro energico - Grandioso, Andante Sostenuto - Allegro enerigico - Stretto quasi presto - Presto - Lento assai
Piano Sonata No. 16 in C Major, K. 545: I. Allegro
Preludes, Book I, L. 117: VIII. La fille aux cheveux de lin
Waltz in D-Flat Major, Op. 64 No.1: "Minute"
Inspiracion I, II: Sobre Besame Mucho e Insensatez
Cancio y Danza Nos. 1 - 4: Quasi moderato - Lento - Modere - Moderato
Variaciones Caribe No. III: Merengue, Mambo
Caribe Al Mundo: Tres Piezas Encantadas Para Orquesta
Tres Piezas Encantadas: I. Inspiracion - De Un Tema Sobre El Rio Magdalena
Tres Piezas Encantadas: II. Fuga Ritmica Flamenca Caribe Sobre La Pollera Colora
Tres Piezas Encantadas: III. Cancion Del Amor Misterioso - Danza Requiem a Joe Arroyo
Autumn Passion: Beethoven Retrospective, Three Great Sonatas One Encore
Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": I. Allegro assai
Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": II. Andante con moto
Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo - Presto
Piano Sonata No. 8 in C Minor, Op. 13 "Pathetique": I. Grave - Allegro molto con brio
Piano Sonata No. 8 in C Minor, Op. 13 "Pathetique": III. Rondo - Allegro
Piano Sonata No. 14 in C-Sharp Minor "Quasi Una Fantasia", Op. 27, No. 2: I. Adagio sostenuto
Piano Sonata No. 14 in C-Sharp Minor "Quasi Una Fantasia", Op. 27, No. 2: II. Allegretto
Piano Sonata No. 14 in C-Sharp Minor 'quasi Una Fantasia', Op. 27, No. 2: III. Presto agitato
Piano Sonata No. 26 in E-Flat Major, Op. 81a "Le 'absence": II. Abwesenheit. Adante espressivo (Encore)
Piano Sonata No. 26 in E-Flat Major, Op. 81a "Le 'absence": III. Das Wiedersehen. Vivacissimamente (Encore)
Printemps Ravissante: Ravel, Le Tombeau De Couperin
Le tombeau de Couperin, M. 68: I. Prélude. Vif, "In Memory of First Lieutenant Jacques Charlot"
Le tombeau de Couperin, M. 68: II. Fugue: Allegro moderato "In Memory of Second Lieutenant Jean Cruppi"
Le tombeau de Couperin, M. 68: III. Forlane. Allegretto "In Memory of First Lieutenant Gabriel Deluc"
Le tombeau de Couperin, M. 68: IV. Rigaudon. Assez Vif "In Memory of Pierre and Pascal Gaudin"
Le tombeau de Couperin, M. 68: V. Menuet, Allegro moderato "In Memory of Jean Dreyfus"
Le tombeau de Couperin, M. 68a: VI. Toccata. Vif "In Memory of Captain Joseph De Marliave"
Summer, Le Chaleur Estivale: Liszt Un Jeune McCausland Dieppe
Mephisto Waltz No. 1, Der Tanz in Der Dorfschenke (The Dance in the Village Inn)
Les Jeux D'eau a La Villa D'este, Années De Pèlerinage, S.163: "Troisième Année" (Third Year)
Late Deep Night: Encores D'aimer Les `ames
Sonata No. 8, Op. 13 "Pathetique"" II. Adagio cantabile
La Fille Aux Cheveux De Lin, Preludes: Book I
Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
Sonata No. 14 in C-Sharp Minor "Quasi Una Fantasia", Op. 27, No. 2: I.
Late Deep Night II: Encores D'aimer Les `ames
Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
Preludes Book I, L. 117: VII. La fille aux cheveux de lin
Piano Sonata No.14, Op. 27 No. 2 "Moonlight"
Piano Inspiracion: I. Sobre Besame Mucho