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 0xe042e7072a856fbff49915a2f5358aa8653b0e996b50c214f3ed974a73961d55. Chain 2 (Bitcoin): anchored in block 953694 (2026-06-14T21:38:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7042ad24-aab5-42a5-8d23-2c44f20bb808.json and https://artists.proofprofile.net/proofs/artist/7042ad24-aab5-42a5-8d23-2c44f20bb808.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach, Beethoven, Chopin, Scriabin: Piano Works
Partita No. 2 in C Minor, BWV 826: I. Sinfonia. Grave - Adagio - Andante - Arr. for Piano
Partita No. 2 in C Minor, BWV 826: II. Allemande - Arr. for Piano
Partita No. 2 in C Minor, BWV 826: III. Courante - Arr. for Piano
Partita No. 2 in C Minor, BWV 826: IV. Sarabande - Arr. for Piano
Partita No. 2 in C Minor, BWV 826: V. Rondeau - Arr. for Piano
Partita No. 2 in C Minor, BWV 826: VI. Capriccio - Arr. for Piano
Piano Sonata No. 3 in C Major, Op. 2 No. 3: I. Allegro con brio
Piano Sonata No. 3 in C Major, Op. 2 No. 3: II. Adagio
Piano Sonata No. 3 in C Major, Op. 2 No. 3: III. Scherzo. Allegro - Trio
Piano Sonata No. 3 in C Major, Op. 2 No. 3: IV. Allegro Assai
Mazurkas, Op. 17: No. 1 in B-Flat Major, Vivo e risoluto
Mazurkas, Op. 17: No. 2 in E Minor, Lento, ma non troppo
Mazurkas, Op. 17: No. 3 in A-Flat Major, Legato assai
Mazurkas in A Minor, Op. 17, No. 4: Lento ma non troppo
Piano Sonata No. 2, Op. 19 "Sonata Fantasy": I. Andante
Piano Sonata No. 2, Op. 19 "Sonata Fantasy": II. Presto
Experience (Arranged for Piano and Violin by Benedetta Iardella)
Experience - Arranged for Piano and Violin by Benedetta Iardella
Merry-Go-Round of Life (From "Howl's Moving Castle")
Merry-Go-Round of Life - From "Howl's Moving Castle"
A window to the past (From "Harry Potter and the Prisoner of Azkaban - Piano Version)
A window to the past - From "Harry Potter and the Prisoner of Azkaban - Piano Version