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 0x245d9c46723659d8c403b113dc72ce37a7255d902744806d490ed627c3c642f4. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/93b0e7f6-3dcb-4e9f-ace1-277e981e1ac5.json and https://artists.proofprofile.net/proofs/artist/93b0e7f6-3dcb-4e9f-ace1-277e981e1ac5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Children's Album, Op. 39: No. 18, Neapolitan Song
Ten Woodland Sketches, Op. 51: I. To a Wild Rose
Nocturne in C-Sharp Minor, Op. 27, No. 1
Deux Arabesques, L. 66: I. Andantino con moto
Rigoletto, Act III: " La donna è mobile"
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight Sonata": I. Adagio Sostenuto
Piano Sonata No. 25 in G Major, Op. 79 No. 2
Piano Sonata No. 16 in C Major, K. 545: I. Allegro
Three Intermezzi for Piano, Op. 117: No. 1 in E-Flat Major
Piano Sonata No. 11 in A Major, K. 331: III. Turkish March
Suite Bergamasque No. 3, L. 75: Clare de Lune
Nocturne in E Minor, Op. posth. 72 No. 1
The Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso (Theme)
Studying Music: Active Advanced Concentration
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
L'Arlésienne Suite No. 1: III. Adagietto
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Lyric Pieces, Book 5, Op. 54: IV. Notturno
Peer Gynt Suite No. 1, Op. 46: III. Anitra's Dance
The Carnival of the Animals: XIII. The Swan