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 0xe3c5990dd5159a0ae2fada3bb1389e87fcb547efca4c340e02a1a8cbe4f15ed2. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b47a77e5-0b46-4ec6-8ae0-f101279ae87c.json and https://artists.proofprofile.net/proofs/artist/b47a77e5-0b46-4ec6-8ae0-f101279ae87c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata in E Major, Op. 6 No. 1: I. Allegretto con espressione
Sonata in E Major, Op. 6 No. 1: II. Tempo di menuetto
Sonata in E Major, Op. 6 No. 1: III. Recitativo Adagio e senza tempo
Sonata in E Major, Op. 6 No. 1: IV. Allegretto come prima
Sonata in G Minor, Op. 105 No. 2: I. Allegro
Sonata in G Minor, Op. 105 No. 2: II. Adagio
Sonata in G Minor, Op. 105 No. 2: III. Presto
Sonata in B-Flat Major, Op. 106 No. 3: I. Allegro vivace
Sonata in B-Flat Major, Op. 106 No. 3: II. Scherzo allegro non troppo
Sonata in B-Flat Major, Op. 106 No. 3: III. Andante quasi allegretto, allegro molto, allegro moderato
Mendelssohn: Piano Concerto No. 2 and Solo Piano Works
Piano Concerto No. 2 in D Minor, Op. 40: I. Adagio Allegro. Allegro appassionato
Piano Concerto No. 2 in D Minor, Op. 40: II. Adagio
Piano Concerto No. 2 in D Minor, Op. 40: III. Finale. Presto scherzando
Fantasy in F Sharp Minor, Op. 28: I. Con moto agitato
Fantasy in F Sharp Minor, Op. 28: II. Allegro con moto
Fantasy in F Sharp Minor, Op. 28: III. Presto
Three Preludes and Three Etudes, Op. 104: I. Presto
Three Preludes and Three Etudes, Op. 104: II. Allegro con moto
Three Preludes and Three Etudes, Op. 104: III. Allegro vivace
Mendelssohn: Piano Concerto No. 2 in D Minor, Op. 40 - Scherzo a capriccio in F Sharp-Minor - Perpetuum mobile, Op. 119 - Fantasy in F Sharp-Minor, Op. 28
Piano Concerto No. 2 in D Minor, Op. 40: I. Adagio Allegro
Mendelssohn: Songs Without Words, 17 Variations Serieuses
Songs Without Words Book I, Op. 19: No. 1 in E Major "Sweet Remembrance"
Songs Without Words Book V Op. 62: No. 25 in G Major "May Breezes"
Songs Without Words Book V Op. 62: No. 26 in B flat Major "The Departure"
Songs Without Words Book I, Op. 19: No. 2 in A Major "Regrets"
Songs Without Words Book I, Op. 19: No. 3 in A Major "Hunting Song"
Songs Without Words Book V Op. 62: No. 27 in E Minor "Funeral March"
Songs Without Words Book I, Op. 19: No. 4 in A Major "Confidence"
Songs Without Words Book V Op. 62: No. 28 in G Major "Morning Song"
Songs Without Words Book V Op. 62: No. 29 in A Minor "Venetian Boat Song III"
Songs Without Words Book I, Op. 19: No. 5 in F sharp Minor "Restlessness"
Songs Without Words Book V Op. 62: No. 30 in A Major "Spring Song"
Songs Without Words Book I, Op. 19: No. 6 in G Minor "Venetian Boat Song I"
Songs Without Words Book II, Op. 30: No. 7 in E flat Major "Contemplation"
Song Without Words Book VI Op. 67: No. 31 in E flat Major "Meditation"
Song Without Words Book VI Op. 67: No. 32 in F sharp Major "Lost Illusions"
Songs Without Words Book II, Op. 30: No. 8 in B flat Major "Unrest"
Songs Without Words Book II, Op. 30: No. 9 in E Major "Consolation"
Song Without Words Book VI Op. 67: No. 33 in B flat Major "Song of the Pilgrim"
Song Without Words Book VI Op. 67: No. 34 in C Major "Spinning Song"
Songs Without Words Book II, Op. 30: No. 10 in B Minor "The Wanderer"
Songs Without Words Book II, Op. 30: No. 11 in D Major "The Brook"
Song Without Words Book VI Op. 67: No. 35 in B Minor "The Shepherd's Complaint"
Songs Without Words Book II, Op. 30: No. 12 in F sharp Minor "Venetian Boat Song II"
Songs Without Words Book VI Op. 67: No. 36 in E Major "Lullaby"
Songs Without Words Book VII Op. 85: No. 37 in F Major "Reverie"
Song Without Words Book III, Op. 38: No. 13 in E flat Major "The Evening Song"
Song Without Words Book III, Op. 38: No. 14 in C Minor "Lost Happiness"
Songs Without Words Book VII Op. 85: No. 38 in A Minor "The Adieu"
Song Without Words Book III, Op. 38: No. 15 in E Major "Poet's Harp"
Songs Without Words Book VII Op. 85: No. 39 in E flat Major "Delerium"
Song Without Words Book III, Op. 38: No. 16 in A Major "Hope"
Songs Without Words Book VII Op. 85: No. 40 in D Major "Elegy"
Songs Without Words Book VII Op. 85: No. 41 in A Major "The Return"
Song Without Words Book III, Op. 38: No. 17 in A Minor "Passion"
Song Without Words Book III, Op. 38: No. 18 in A flat Major "Duetto"
Songs Without Words Book VII Op. 85: No. 42 in B flat Major "Song of the Traveller"
Songs Without Words Book VIII Op. 102: No. 43 in E Minor "Homeless"
Songs Without Words Book IV Op. 53: No. 19 in A flat Major "On the Seashore"
Songs Without Words Book VIII Op. 102: No. 44 in D Major "Retrospection"
Songs Without Words Book IV Op. 53: No. 20 in E flat Major "The Fleecy Cloud"
Songs Without Words Book IV Op. 53: No. 21 in G Minor "Agitation"
Songs Without Words Book VIII Op. 102: No. 45 in C Major "Tarantella"
Songs Without Words Book VIII Op. 102: No. 46 in G Minor "The Sighing Wind"
Songs Without Words Book IV Op. 53: No. 22 in F Major "Sadness of the Soul"
Songs Without Words Book VIII Op. 102: No. 47 in A Major "The Joyous Peasant"
Songs Without Words Book IV Op. 53: No. 23 in A Minor "Folksong"
Songs Without Words Book VIII Op. 102: No. 48 in C Major "Faith"
Songs Without Words Book IV Op. 53: No. 24 in A Major "The Flight"
Seventeen Variations Seriuses in D Minor, Op. 54
Felix Mendelssohn: Piano Concerto in A Minor
Piano Concerto in A Minor: III. Finale allegro ma non troppo
Capriccio Brillant for Piano and Orchestra, Op. 22: Andante, allegro con fuoco
Rondo Brillant for Piano and Orchestra, Op. 29: Presto
Serenade and Allegro Giocoso for Piano and Orchestra, Op. 43: Andante, allegro giocoso
Field: Piano Concerto No. 2 - Felix Mendelssohn: Piano Concerto in A Minor
Piano Concerto No. 2 in A-Flat Major, H. 31: I. Allegro moderato
Piano Concerto No. 2 in A-Flat Major, H. 31: II. Poco adagio
Piano Concerto No. 2 in A-Flat Major, H. 31: III. Moderato innocente
Piano Concerto in A Minor, MWV O2: I. Allegro
Piano Concerto in A Minor, MWV O2: II. Adagio
Piano Concerto in A Minor, MWV O2: III. Finale. Allegro ma non troppo
Songs without Words, Book V, Op. 62, No. 30 in A Major "Spring Song"
Uplifting Classical - Music to energize your mood
Songs Without Words, Op. 62: 6. Allegretto grazioso in A Major "Spring Song"
The Menuetto Lounge - 111 Relaxing Masterpieces
Piano Concerto No. 2 in A-Flat Major, H. 31: III. Allegro moderato innocente
Songs Without Words, Book V, Op. 62: No. 6 in A Major, MWV U161 "Spring Song"
Spring Classical: The Best Classical Music for Spring Season
The Snow is Dancing - The Classical Music of Winter
6 spanische Tänze, B. 23: No. 3 in Es-Dur
Ich mag Tänze! (Menuetto Kids - Klassik für Kinder)
6 Danzas españolas, Op. 37: No. 3 in E-Flat Major
I Like Dances! (Menuetto Kids - Classical Music for Children)
Songs without Words, Book V, Op. 62: No. 30 in A Major "Spring Song"
Songs Without Words, Book 5, Op. 62: No. 27 in E Minor - Funeral March (Domestic Disturbance)
Songs without Words, Book V, Op. 62: No. 29 in a Minor "Venetian Boat Song III"