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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7335cd7f71ad948045081633a5f64b203c3a81d21e1ce17042cbd2653206d17b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c6419d1-f883-4ed9-9776-7e45d08d0062.json and https://artists.proofprofile.net/proofs/artist/3c6419d1-f883-4ed9-9776-7e45d08d0062.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Sonata No.10 in G Major, Op. 14, No.2: I. Allegro
Piano Sonata No.10 in G Major, Op. 14, No.2: II. Andante
Piano Sonata No.10 in G Major, Op. 14, No.2: III. Scherzo: Allegro assai
Piano Sonata No. 24 in F Sharp Major Op.78, 'A Thérèse' : I Adagio cantabile - Allegro, ma non troppo
Piano Sonata No. 24 in F Sharp Major, Op. 78: II. Allegro vivace
Piano Sonata No. 25 in G Major Op.79: I. Presto alla tedesca
Piano Sonata No. 25 in G Major, Op. 79: II. Andante
Piano Sonata No. 25 in G Major, Op. 79: III. Vivace
Piano Sonata No. 28 in A Major Op.101 : I Etwas lebhaft und mit der innigsten Empfindung
Piano Sonata No. 28 in A Major, Op. 101: II. Vivace alla marcia
Piano Sonata No. 28 in A Major, Op. 101: III. Adagio ma non troppo, con affetto
Piano Sonata No. 28 in A Major, Op. 101: IV. Allegro
Piano Sonata No. 31 in A Flat Major, Op. 110: I. Moderato cantabile molto espressivo
Piano Sonata No. 31 in A Flat Major, Op. 110: II. Allegro molto
Piano Sonata No. 31 in A Flat Major, Op. 110: III. Adagio ma non troppo. Fuga. Allegro ma non troppo
Piano Sonata No. 32 in C Minor Op.111 : I Maestoso - Allegro con brio ed appassionato
Piano Sonata No. 32 in C Minor Op.111 : II Arietta - Adagio molto, semplice e cantabile
Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": I. Grave - Allegro di molto e con brio
Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": III. Rondo: Allegro
Piano Sonata No. 9 in E Major Op.14, No.1: I. Allegro
Piano Sonata No. 9 in E Major Op.14, No.1: II. Alegretto
Piano Sonata No. 26 in E Flat Major, Op.81a -"Les adieux": I. Das Lebewohl (Adagio - Allegro)
Piano Sonata No. 26 in E Flat Major, Op. 81a "Les Adieux": II Die Abwesenheit (L'absence). Andante espressivo
Piano Sonata No. 26 In E Flat Major, Op. 81a "Les Adieux": III Das Wiedersehen (Le retour). Vivacissimamente
Piano Sonata No. 27 in E Minor, Op. 90: I. Mit Lebhaftigkeit und durchaus mit Empfindung und Ausdruck
Piano Sonata No. 27 in E Minor, Op. 90: II. Nicht zu geschwind und sehr singbar vorgetragen
Piano Sonata No.4 in E-Flat Major, Op. 7: I. Allegro molto e con brio
Piano Sonata No.4 in E-Flat Major, Op. 7: II. Largo, con gran espressione
Piano Sonata No.4 in E-Flat Major, Op. 7: III. Allegro
Piano Sonata No.4 in E-Flat Major, Op. 7: IV. Rondo: Poco allegretto e grazioso
Beethoven: Sonata for Piano No. 14 in C-Sharp Minor, Op. 27, No. 2 “Moonlight” (Digitally Remastered)
Sonata for Piano No. 14 in C-Sharp Minor, Op. 27, No. 2 “Moonlight”: Adagio sostenuto
Sonata for Piano No. 14 in C-Sharp Minor, Op. 27, No. 2 “Moonlight”: Allegretto
Sonata for Piano No. 14 in C-Sharp Minor, Op. 27, No. 2 “Moonlight”: Presto agitato
Beethoven: Sonata for Piano No. 23 in F Minor, Op. 57 "Appassionata" (Digitally Remastered)
Sonata for Piano No. 23 in F Minor, Op. 57 "Appassionata": I. Allegro assai
Sonata for Piano No. 23 in F Minor, Op. 57 "Appassionata": II. Andante con moto
Sonata for Piano No. 23 in F Minor, Op. 57 "Appassionata": III. Allegro ma non troppo
Beethoven: Sonata for Piano No. 26 in E-Flat Major, Op. 81a “Les Adieux" (Digitally Remastered)
Sonata for Piano No. 26 in E-Flat Major, Op. 81a “Les Adieux": I. Adagio - Allegro
Sonata for Piano No. 26 in E-Flat Major, Op. 81a “Les Adieux": II. Andante espressivo
Sonata for Piano No. 26 in E-Flat Major, Op. 81a “Les Adieux": III. Vivacissimamente
Beethoven: Sonata for Piano No. 32 in C Minor, Op. 111 (Digitally Remastered)
Sonata for Piano No. 32 in C Minor, Op. 111: I. Maestoso - Allegro con brio ed appassionato
Sonata for Piano No. 32 in C Minor, Op. 111: II. Arietta: Adagio molto, semplice e cantabile
Beethoven: Sonata for Piano No. 31 in A-Flat Major, Op. 110 (Digitally Remastered)
Sonata for Piano No. 31 in A-Flat Major, Op. 110: I. Moderato cantabile, molto espressivo
Sonata for Piano No. 31 in A-Flat Major, Op. 110: II. Allegro molto
Sonata for Piano No. 31 in A-Flat Major, Op. 110: III. Adagio ma non troppo
Beethoven: Sonata for Piano No. 28 in A Major, Op. 101 (Digitally Remastered)
Sonata for Piano No. 28 in A Major, Op. 101: I. Allegretto, ma non troppo, con intimissimo sentimento
Sonata for Piano No. 28 in A Major, Op. 101: II. Vivace alla marcia
Sonata for Piano No. 28 in A Major, Op. 101: III. Adagio, ma non troppo, con affetto
Sonata for Piano No. 28 in A Major, Op. 101: IV. Allegro ma non troppo, e con fermezza
Beethoven: Sonata for Piano No. 24 in F-Sharp Major, Op. 78 (Digitally Remastered)
Sonata for Piano No. 24 in F-Sharp Major, Op. 78: I. Adagio cantabile
Sonata for Piano No. 24 in F-Sharp Major, Op. 78: II. Allegro vivace
Beethoven: Sonata for Piano No. 25 in G Major, Op. 79 (Digitally Remastered)
Sonata for Piano No. 25 in G Major, Op. 79: I. Presto alla tedesca
Sonata for Piano No. 25 in G Major, Op. 79: II. Andante
Sonata for Piano No. 25 in G Major, Op. 79: III. Vivace
Beethoven: Sonata for Piano No. 27 in E Minor, Op. 90 (Digitally Remastered)
Sonata for Piano No. 27 in E Minor, Op. 90: I. Con vivacita e sempre con sentimnto ed espressione
Sonata for Piano No. 27 in E Minor, Op. 90: II. Non troppo vivace e cantabile assai
Beethoven: Sonata for Piano No. 30 in E Major, Op. 109 (Digitally Remastered)
Sonata for Piano No. 30 in E Major, Op. 109: I. Vivace ma non troppo - Prestissimo
Sonata for Piano No. 30 in E Major, Op. 109: II. Andante molto cantabile ed espressivo
Beethoven: Sonata for Piano No. 21 in C Major, Op. 53 “Waldstein” (Digitally Remastered)
Sonata for Piano No. 21 in C Major, Op. 53 “Waldstein”: I. Allegro con brio
Sonata for Piano No. 21 in C Major, Op. 53 “Waldstein”: II. Introducione: Adagio molto- attacca / III. Rondo: Allegretto moderato - Prestissimo
Beethoven: Piano Sonata No. 31 - Berlioz: Symphony Fantastique
Piano Sonata No. 31 in A flat major, Op. 110
Symphony Fantastique in C major, Op. 14 appassionato assai
Beethoven: Piano Sonatas No. 10 and No. 25 - Brahms: Symphony No. 4
Beethoven - Piano Sonata No 23; Berlioz - Romeo and Juliet
Piano Sonata No. 23 in F minor 'Appassionata', Op. 57
Beethoven - Piano Sonatas No 14, No 23, No 25 and No 26
Sonata for Piano No 14 in C minor 'Moonlight ', Op 27
Piano Sonata No. 26 in E-flat major 'Les Adieux', Op. 81a
Beethoven: Piano Sonatas No. 4, No. 8 & No. 10
Piano Sonata No. 4 in E-flat major, Op. 7
Beethoven - Sonatas No 24, No 27, No 28 and No 32
Piano Sonata No. 24 in F-sharp major, Op. 78
Beethoven - Piano Sonata No 21; Berlioz - The Secret Judge Overture; Bernstein - Westside Story - Symphonic Dances
Beethoven - Sonata No 27; Mozart - Seranade No 10 Grand Partita
Serenade No.10 in B major, KV 361 for Wind Instruments "Gran Partita"
Beethoven - Piano Sonatas No 12, No 16, No 24 and No 31
Piano Sonata No. 12 in A-flat major, Op. 26
The Most Relaxing Classical Music In The Universe
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1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53e669702c8d26a6e19effb887946affb3997afd6876bbb5acd521c78047afc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Y1e437twOB9hUZn0tvdQl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Y1e437twOB9hUZn0tvdQl.
Concerto grosso in D Major, Op. 6 No. 1: Ia. Largo
Concerto grosso in D Major, Op. 6 No. 1: Ib. Allegro
Concerto grosso in D Major, Op. 6 No. 1: IIa. Largo
Concerto grosso in D Major, Op. 6 No. 1: IIb. Allegro
Concerto grosso in D Major, Op. 6 No. 1: III. Largo
Concerto grosso in D Major, Op. 6 No. 1: IV. Allegro
Concerto grosso in D Major, Op. 6 No. 1: V. Allegro
Sonata a 3 in B-Flat Major, Op. 4, No. 9*: I. Preludio: Largo
A Guided Tour of the Baroque Era, Vol. 2
Sonata a 3 in B-Flat Major, Op. 4, No. 9*: IV. Tempo di gavotta: Allegro
Concerto Grosso in G Minor, Op. 6, No. 8, "Christmas Concerto": I. Vivace - Grave
Concerto Grosso in G Minor, Op. 6, No. 8, "Christmas Concerto": II. Allegro
It Is Written in the Stars: Classical Music for Stargazing
Piano Sonata No. 23 in F Minor, Op. 57 "Appassionata": II. Andante con moto
Sonata à 3 in B-Flat Major, Op. 4 No. 9: I. Preludio. Largo
Sonata à 3 in B-Flat Major, Op. 4 No. 9: IV. Tempo di gavotta. Allegro
Concerto grosso in G Minor, Op. 6 No. 8 "Christmas Concerto": I. Vivace - Grave
Concerto grosso in G Minor, Op. 6 No. 8 "Christmas Concerto": II. Allegro
Piano Sonata No. 8 in C Minor 'Pathétique', Op. 13: I. Grave - Allegro Di molto e con Brio
Piano Sonata No. 8 in C Minor 'Pathétique', Op. 13: II. Adagio Cantabile