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 0x19e700d4dcf66ed95f3c967e445499a77569704bfe6f96c6ed05cfab9f2347db. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/820520b9-31ee-4132-b107-e5490ba61bff.json and https://artists.proofprofile.net/proofs/artist/820520b9-31ee-4132-b107-e5490ba61bff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Brahms: Sonata No. 3 in F Minor, Sechs Klavierstücke Vol. 1
Sonata No. 3 in F Minor, Op. 5: I. Allegro maestoso
Sonata No. 3 in F Minor, Op. 5: II. Andante espressivo - Andante molto
Sonata No. 3 in F Minor, Op. 5: III. Scherzo - Allegro energico
Sonata No. 3 in F Minor, Op. 5: IV. Intermezzo - Andante molto
Sonata No. 3 in F Minor, Op. 5: V. Finale - Allegro moderato ma rubato
Fauré & Scriabine: Vers l'extase (Piano Works)
Nocturne No. 4 in E-Flat Major, Op. 36 (Andante molto moderato, dolce)
Barcarolle No. 5 in F-Sharp Minor, Op. 66 (Allegretto moderato)
3 Pieces, Op. 45: II. Poème fantasque (Presto)
Nocturne No. 7 in C-Sharp Minor, Op. 74 (Molto lento, sostenuto)
Barcarolle No. 9 in A Minor, Op. 101 (Andante moderato)
Piano Sonata No. 9 Op. 68 (Moderato quasi andante - Molto meno vivo - Allegro molto - Alla marcia - Tempo I)
8 pièces brèves, Op. 84: VIII. Huitième Nocturne in D-Flat Major (Adagio non troppo)
2 Pieces, Op. 104: I. Nocturne No. 11 in F-Sharp Minor (Molto moderato)
Nocturne No. 13 in B Minor, Op. 119 (Andante)
3 Pieces, Op. 52: III. Poème languide (Pas vite)
2 poèmes, Op. 71: I. Fantastique - II. En rêvant, avec une grande douceur. Avec enthousiasme
Vers la flamme, Op. 72 (Allegro moderato - Eclatant, lumineux)
Nocturne No. 4 in E-Flat Major, Op. 36 (Andante molto moderato, dolce) - Second Recorded Version
Concerto pour piano et orchestre No. 1 en Ré Mineur: I. Lento - Allegro moderato
Jaëll: Musique symphonique & Musique pour piano (Portraits, Vol. 3)
Concerto pour piano et orchestre No. 1 en Ré Mineur: II. Adagio
Concerto pour piano et orchestre No. 1 en Ré Mineur: III. Allegro con brio
Violin Sonata in F Minor, Op. 4: III. Allegro agitato
Piano Concerto No. 5 in F Major, Op. 103, R. 205 "Egyptian": III. Molto allegro
Piano Concerto No. 1 in D Major, Op. 17, R. 185: II. Andante sostenuto, quasi adagio
Tic-Tac for Piano and Violin: I. Tictac Tictac
Jean-Baptiste Robin: Time Circles, Orchestral & Chamber Music
Tic-Tac for Piano and Violin: II. Mouvement Stellaire
Tic-Tac for Piano and Violin: III. Entrechoc
Tic-Tac for Piano and Violin: IV. Goutte de Temps
Tic-Tac for Piano and Violin: V. Les secondes Danses
Poèmes de l'aube et de la nuit for Mezzo-Soprano and Piano: I. Soleil Nuit
Poèmes de l'aube et de la nuit for Mezzo-Soprano and Piano: II. Regard de Couchant
Poèmes de l'aube et de la nuit for Mezzo-Soprano and Piano: III. Nuit de Cristal
Piano Concerto No. 4 in C Minor, Op. 44, R. 197: I. Allegro moderato
Piano Concerto No. 4 in C Minor, Op. 44, R. 197: II. Allegro vivace
Piano Concerto No. 5 in F Major, Op. 103, R. 205 "Egyptian": I. Allegro animato
Piano Concerto No. 5 in F Major, Op. 103, R. 205 "Egyptian": II. Andante
Piano Concerto No. 3 in E-Flat Major, Op. 29, R. 191: I. Moderato assai