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 0x432e18f3c08190323f3de4c599ed2807aedd567fc37c045908a7745ad7e44964. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d43aa19-ee7d-4445-b00c-f34f7f498756.json and https://artists.proofprofile.net/proofs/artist/4d43aa19-ee7d-4445-b00c-f34f7f498756.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music by Chopin, Schumann & Albéniz - Prokofiev: Piano Sonata No. 2, Op. 14
Chopin: Nocturne No. 16 in E-Flat Major, Op. 55 No. 2
Chopin: Polonaise in F-Sharp Minor, Op. 44
Albéniz: Iberia, Cuaderno I: El Corpus Christi en Sevilla
Prokofiev: Piano Sonata No. 2 In D Minor, Op. 14: I. Allegro ma non troppo
Prokofiev: Piano Sonata No. 2 In D Minor, Op. 14: II. Scherzo. Allegro marcato
Prokofiev: Piano Sonata No. 2 In D Minor, Op. 14: III. Andante
Prokofiev: Piano Sonata No. 2 In D Minor, Op. 14: IV. Vivace
Chopin: Piano Sonata No. 2; Liszt: Piano Sonata in B Minor (2024 Remaster)
Piano Sonata No. 2 in B-Flat Minor, Op. 35: I. Grave – Doppio movimento - 2024 Remaster
Piano Sonata No. 2 in B-Flat Minor, Op. 35: II. Scherzo – Più lento - 2024 Remaster
Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento - 2024 Remaster
Piano Sonata No. 2 in B-Flat Minor, Op. 35: IV. Finale. Presto - 2024 Remaster
Piano Sonata in B Minor, S. 178: I. Lento assai – Allegro energico – II. Grandioso – Recitativo - 2024 Remaster
Piano Sonata in B Minor, S. 178: III. Andante sostenuto – - 2024 Remaster
Piano Sonata in B Minor, S. 178: IV. Allegro energico - 2024 Remaster
Piano Sonata in B Minor, S. 178: V. Andante sostenuto – Lento assai - 2024 Remaster
Tchaikovsky: Piano Concerto No. 1; Rachmaninoff: Piano Concerto No. 2
Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice
Piano Concerto No. 1 in B-Flat Minor, Op. 23: III. Allegro con fuoco
Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
Études d'exécution transcendante in B-Flat Major, S. 139: No. 5, Feux follets
Liebesträume in A-Flat Major, S. 541: No. 3, Oh Lieb, so lang du lieben kannst
Andante spianato et Grande polonaise brillante in E-Flat Major, Op. 22
Nocturnes in F-Sharp Major, Op. 15: No. 2, Larghetto
Cançons i Danses: No. 6, Cantabile espressivo - Ritmado
5 Morceaux de fantaisie in C-Sharp Minor, Op. 3: No. 2, Prélude "The Bells of Moscow"
El Sombrero de Tres Picos, Suite No. 1: No. 2, Danza de la Molinera
La mer, L. 109: I. De laube à midi sur la mer
Quintet for Harp, Flute, Violin, Viola and Cello: I. Assez animé
Cantos de España, Op. 232: No. 1, Prelude
Rapsodie espagnole in C Major, M. 54: IV. Feria. Assez animé
Iberia: No. 2, El Puerto - Orchestral Version
The Rite of Spring "The Sacrifice": VI. Danse sacrale
Valois Recordings of Rafael Orozco: Favorite Piano Pieces
12 Spanish Dances, Op. 37: No. 5 in E Minor, Andantino quasi allegretto "Andaluza"
Nocturne in A-Flat Major, S. 541 "Liebesträume No. 3"
12 Etudes d'exécution transcendante, S. 139: No. 5 in B-Flat Major, Allegretto "Feux follets"
Grande Polonaise Brillante in E-Flat Major, Op. 22
3 Nocturnes, Op. 15: No. 2 in F-Sharp Major - Larghetto
Mozart: Piano Concerto No. 26 in D Major, K. 537 "Coronation": III. Allegretto
A Classical Coronation. Music for a Royal Celebration
Piano Concerto No. 3 in D Minor, Op. 30: I. Allegro ma non tanto
Rachmaninoff: Piano Concerto No. 3; Rhapsody on a Theme of Paganini
Piano Concerto No. 3 in D Minor, Op. 30: II. Intermezzo. Adagio –
Piano Concerto No. 3 in D Minor, Op. 30: III. Finale. Alla breve
Piano Concerto No.2 in C minor, Op.18: 1. Moderato
Rachmaninov: Piano Concerto No.2; Rhapsody on a theme of Paganini
Piano Concerto No.2 in C minor, Op.18: 2. Adagio sostenuto
Piano Concerto No.2 in C minor, Op.18: 3. Allegro scherzando
Fantasie in C Major, Op. 17: I. Durchaus fantastisch und leidenschaftlich vorzutragen - Im Legendenton
Schumann: Fantasy in C Major, Kreisleriana & Sonata No. 2
Fantasie in C Major, Op. 17: II. Mäßig. Durchaus energisch - Etwas langsamer - Vielbewegter
Fantasie in C Major, Op. 17: III. Langsam getragen. Durchweg leise zu halten - Etwas bewegter
Kreisleriana, Op. 16: I. Äusserst bewegt
Kreisleriana, Op. 16: II. Sehr innig und nicht zu rasch
Kreisleriana, Op. 16: III. Sehr aufgeregt
Kreisleriana, Op. 16: VIII. Schnell und spielend