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 0x2ecf8b92e9102c0dbd3003173079c7352c16cd9f83c2c6e28a56f51deffe99d4. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a02a2c3f-9995-454e-9091-a3156b15ee83.json and https://artists.proofprofile.net/proofs/artist/a02a2c3f-9995-454e-9091-a3156b15ee83.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Enchanted Garden (Piano transcriptions of russian fairy tales by Glinka, Rimsky-Korsakov and Stravinsky)
Two Transcriptions from the Opera Ruslan and Lyudmilla
The Tale of Tsar Saltan: Flight of the Bumblebee
The Tale of Tsar Saltan: The Three Wonders
Two Transcriptions from the Opera Ruslan and Lyudmilla: Berceuse of the Fairies
Two Transcriptions from the Opera Ruslan and Lyudmilla: Battle and Death of Chernomor
The Firebird: Tableau I: The Enchanted Garden of Kashchei
The Firebird: Khorovod (Round Dance) of the Princesses
The Firebird: Infernal Dance of all Kashchei's Subjects
The Firebird: Kashchei's Awakening - Kashchei's Death - Profound Darkness
The Firebird: Tableau II: Disappearance of Kashchei's Palace and Magical Creations, Return to Life of the Petrified Knights, and General Rejoicing
Chips I, Six Pieces for Piano, Op. 7: No. 1, Ro, ro, fiskarmor
24 Preludes, Op. 85: No. 1, Old Grecian Ceremony
Chips I, Six Pieces for Piano, Op. 7: No. 2, Suvi-illan vieno tuuli
Chips I, Six Pieces for Piano, Op. 7: No. 3, Keinutan kehtoa, laulatan lasta
Chips I, Six Pieces for Piano, Op. 7: No. 4, Jeg synes, at verden skinner
Chips I, Six Pieces for Piano, Op. 7: No. 5, ej har jag hem och ej har jag härd
24 Preludes, Op. 85: No. 5, Cherry Blossoms in Japan
Chips I, Six Pieces for Piano, Op. 7: No. 6, Jag vill stilla tacka dig i den stilla
24 Preludes, Op. 85: No. 6, Evening in Venice
24 Preludes, Op. 85: No. 7, The Musical Box
The Melancholy Garden, Op. 52: No. 1, We Two
24 Preludes, Op. 85: No. 8, Evening Before the Storm
24 Preludes, Op. 85: No. 9, Quiet Evening
The Melancholy Garden, Op. 52: No. 2, Love Alley
The Melancholy Garden, Op. 52: No. 3, The Beggar Child's Lullaby
24 Preludes, Op. 85: No. 10, Winter Road
The Melancholy Garden, Op. 52: No. 4, Rain
The Melancholy Garden, Op. 52: No. 5, Solitude
Lyric Pieces for Piano, Op. 59: No. 1, Barcarole
24 Preludes, Op. 85: No. 14, Autumn-Night
Lyric Pieces for Piano, Op. 59: No. 2, Romance
Lyric Pieces for Piano, Op. 59: No. 3, Berceuse
Lyric Pieces for Piano, Op. 59: No. 4, Intermezzo
24 Preludes, Op. 85: No. 17, Spring-Morning
Lyric Pieces for Piano, Op. 59: No. 5, Impromptu
The Mysterious Forest, Six Pieces for Piano, Op. 118: No. 1, Autumn Image
24 Preludes, Op. 85: No. 18, Robustamente
The Mysterious Forest, Six Pieces for Piano, Op. 118: No. 2, The Mysterious Forest
24 Preludes, Op. 85: No. 20, Tempo di Mazurka
The Mysterious Forest, Six Pieces for Piano, Op. 118: No. 3, The Witch
The Mysterious Forest, Six Pieces for Piano, Op. 118: No. 4, The Spell
24 Preludes, Op. 85: No. 21, Presentiment
The Mysterious Forest, Six Pieces for Piano, Op. 118: No. 5, Will o' the wisp
The Mysterious Forest, Six Pieces for Piano, Op. 118: No. 6, Troll's Dance
Six Pieces for Piano, Op. 123: No. 1, Evening Peace
Six Pieces for Piano, Op. 123: No. 2, Marcia funebre
Impressions, Op. 87: No. 1, Twilight in the Snow
Six Pieces for Piano, Op. 123: No. 3, The Idyll
Impressions, Op. 87: No. 2, A Holiday Morning
Six Pieces for Piano, Op. 123: No. 4, Procession
Impressions, Op. 87: No. 3, Presentiment
Impressions, Op. 87: No. 4, The Hour of Death
Six Pieces for Piano, Op. 123: No. 5, Pastorale
Six Pieces for Piano, Op. 123: No. 6, Piccola marcia
Impressions, Op. 87: No. 5, Autumnal Wind
Sonata No. 1, Op. 111 "Fantasia apocaliptica per il pianoforte"
Der Zaubergarten (Pianotranskriptionen russischer Bühnenwerke von Glinka, Rimsky-Korsakow und Stravinsky)
Ruslan & Lyudmila: Chernamor's March - Arr. By Franz Liszt for Piano Solo
Two Transcriptions from the Opera Ruslan and Lyudmilla: Berceuse of the Fairies - Arr. By Sergei Lyapunov for Piano Solo
Two Transcriptions from the Opera Ruslan and Lyudmilla: Battle and Death of Chernomor - Arr. By Sergei Lyapunov for Piano Solo
The Golden Cockerel: Hymn to the Sun - Arr. By Julius Chaloff for Piano Solo
Snow Maiden: Dance of the Tumblers - Arr. By Isaac Mikhnovsky for Piano Solo
The Tale of Tsar Saltan: Flight of the Bumblebee - Arr. By Nadezhda Rimskaya-Korsakova for Piano Solo
The Tale of Tsar Saltan: The Three Wonders - Arr. By Alexander Ziloti for Piano Solo
Sadko: Song of India - Arr. By Maria Lettberg for Piano Solo
Kashchei the Immortal: Snowstorm - Arr. By Joseph Strimer for Piano Solo
The Firebird: Introduction - Version for Piano Solo
The Firebird: Tableau I: The Enchanted Garden of Kashchei - Version for Piano Solo
The Firebird: Dance of the Firebird - Version for Piano Solo
The Firebird: Khorovod (Round Dance) of the Princesses - Version for Piano Solo
The Firebird: Infernal Dance of all Kashchei's Subjects - Version for Piano Solo
The Firebird: Lullaby (Firebird) - Version for Piano Solo
The Firebird: Kashchei's Awakening - Kashchei's Death - Profound Darkness - Version for Piano Solo
The Firebird: Tableau II: Disappearance of Kashchei's Palace and Magical Creations, Return to Life of the Petrified Knights, and General Rejoicing - Version for Piano Solo
Poème de l'extase (Werke von Skrjabin, Messiaen, Liszt, Kelkel und Banter)
Le Poème de l'extase - Transcription by Sergei Pavchinsky
Naître et disparaître - Hommage à Skrjabin
Tombeau de Scriabine, Op. 22: I. Prélude
Tombeau de Scriabine, Op. 22: II. Transmutations
Vingt Regards sur l'Enfant-Jésus: I. Regard du père
Vingt Regards sur l'Enfant-Jésus: XX. Regard de l'église d'amour
Le Poème de l'extase (Transcription by Sergei Pavchinsky)
Naître et disparaître (Hommage à Skrjabin)
Vingt Regards sur l'Enfant-Jésus: I. Regard du Père
Vingt Regards sur l'Enfant-Jésus: XX. Regard de l'Église d'amour
Pavana Lachrimae in A Minor, SwWV 328 (Arr. for Piano by Maria Lettberg)
Piano Sonata No. 12 in F Major, K. 332: II. Adagio
Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": III. Rondo. Allegro
Études, Op. 10: No. 12 in C Minor, B. 67 "Revolutionary”
Consolations, S. 172, S, 172: No. 3 in D-Flat Major
Prélude, fugue et variation, Op. 18, FWV 30: I. Prélude (Arr. for Piano by Harold Bauer)
8 Humoresques, Op. 101, B. 187: No. 7 in G-Flat Major
España, Op. 165, B. 37: No. 3, Malagueña
Preludes, Book 2, L. 123: No. 5, Bruyères
5 Pieces for Piano, Op. 75: No. 5, Granen
5 Piano Pieces, Op. 3, FS 10: No. 2, Humoreske
3 Scenas portuguesas, Op. 9: No. 3, Valsas caprichosa
2 Pieces, Op. 6: No. 2, Nocturne, VL 183
The Life of Flowers, Op. 19: No. 5, Ruza
Piano Suite, Op. 51: II. Quasi rhapsodico
Small Suite with Passacaglia, Op. 3: I. Prélude
12 Piano Préludes, Book 1: No. 2, Composition with Yellow and Blue
7 Preludes, Op. 17: No. 3 in D-Flat Major
It Is Written in the Stars: Classical Music for Stargazing
8 Etudes, Op. 42: No. 5 in C-Sharp Minor
Russian Masterworks: The Best of Russian Classical Music
The Snow is Dancing - The Classical Music of Winter
Impressions, Op. 87: I. Twilight in the Snow
Russian Masterworks (The Best of Russian Classical Music)
24 Preludes, Op. 11: 24 Préludes, Op. 11: No. 12 in G-Sharp Minor
Impressions, Op. 87: IV. The Hour of Death
The Mysterious Forest, Six Pieces for Piano, Op. 118: I. Autumn Image
Lyric Pieces for Piano, Op. 59: II. Romance
The Mysterious Forest, Six Pieces for Piano, Op. 118: II. The Mysterious Forest
The Mysterious Forest, Six Pieces for Piano, Op. 118: III. The Witch
The Mysterious Forest, Six Pieces for Piano, Op. 118: IV. The Spell