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 0xe88ba32ca1978dd78d71a52aa68d700ba762bce6437109acdc69d1a1b3bfd64a. 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/d2813f5e-49bb-4890-91d0-03937979a840.json and https://artists.proofprofile.net/proofs/artist/d2813f5e-49bb-4890-91d0-03937979a840.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Batagov: Selected Letters of Sergei Rachmaninoff
At the Grave of Sergei Rachmaninoff (Kensico Cemetery, Valhalla, NY)
Letter from Sergei Rachmaninoff to Simeon Ten Holt
Letter from Sergei Rachmaninoff to Peter Gabriel
Letter from Sergei Rachmaninoff to Arvo Part
Letter from Sergei Rachmaninoff to Ludovico Einaudi
Letter from Sergei Rachmaninoff to Philip Glass
Letter from Sergei Rachmaninoff to Wim Mertens and Niccolo Paganini
Letter from Sergei Rachmaninoff to Brian Eno
Letter from Sergei Rachmaninoff to Vladimir Martynov
At the Grave of Sergei Rachmaninoff: Postlude
Letter from Sergei Rachmaninoff to Simeon ten Holt
At the Grave of Sergei Rachmaninoff. Postlude
Musique Expressive En Hommage a Karl Orff (1976)
Anton Batagov: I Fear No More. Selected Songs and Meditations of John Donne
Meditation II: The Heavens and The Earth
Meditation XVII: For Whom the Bell Tolls
Anton Batagov. Tchaikovsky Competition 1986 (Live)
Piano Sonata No. 30, Op. 109: III. Andante molto cantabile ed espressivo
Piano Sonata No. 6 in A Major, Op. 82: I. Allegro moderato
Piano Sonata No. 6 in A Major, Op. 82: II. Allegretto
Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo
Piano Sonata No. 6 in A Major, Op. 82: IV. Vivace
The Seasons, Op. 37bis: I. January "At the Fireside"
Where We Are Not. Letters of Mother Seraphima
I'll Wake Up and We'll Be Together Again
The Short Mesure off My Lady Wynkfylds Rownde
The Right Honourable The Lord Viscount Lisle His Galliard, P. 38
An Evening Hymn, Z. 193 (arr. Anton Batagov)
Premier livre de pièces de clavecin, RCT 1: I. Prélude
The Attraction of the Pedalling Ankle (From "The Piano")
Chasing Sheep Is Best Left to Shepherds (From "The Draughtsman's Contract")
Wachet auf, ruft uns die Stimme, BWV 645 (Arr. Ferruccio Busoni)
Deuxième concert, RCT 8: III. L'agaçante
Nun komm, der Heiden Heiland, BWV 659 (Arr. Ferruccio Busoni)
The Mood That Passes Through You (From "The Piano")
Troisième concert, RCT 9: II. La Timide - 1er Rondeau
Ich ruf zu dir Herr Jesu Christ, BWV 639 (Arr. Ferruccio Busoni)
Silver Fingered Fling (From "The Piano")
Troisième concert, RCT 9: II. La Timide - 2e Rondeau
Sheep 'n' Tides (From "Drowning by Numbers")
Herr Gott, nun schleuss den Himmel auf, BWV 617 (Arr. Ferruccio Busoni)
The Heart Asks Pleasure First (From "The Piano")
Quatrième concert, RCT 10: II. L'indiscrète
Prelude B Minor, BWV 855a (Arr. Alexander Siloti) [Encore]
Premier livre de pièces de clavecin, RCT 1: I. Prélude - Live
The Attraction of the Pedalling Ankle (From "The Piano") - Live
Premier concert, RCT 7: II. La Livri - Live
Chasing Sheep Is Best Left to Shepherds (From "The Draughtsman’s Contract") - Live
Wachet auf, ruft uns die Stimme, BWV 645 (Arr. Ferruccio Busoni) - Live
Deuxième concert, RCT 8: III. L'agaçante - Live
Nun komm, der Heiden Heiland, BWV 659 (Arr. Ferruccio Busoni) - Live
The Mood That Passes Through You (From "The Piano") - Live
Troisième concert, RCT 9: II. La Timide - 1er Rondeau - Live
Deep Sleep Playing (From "The Piano") - Live
Ich ruf zu dir Herr Jesu Christ, BWV 639 (Arr. Ferruccio Busoni) - Live
Silver Fingered Fling (From "The Piano") - Live
Lost and Found (From "The Piano") - Live
Troisième concert, RCT 9: II. La Timide - 2e Rondeau - Live
Sheep 'n' Tides (From "Drowning by Numbers") - Live
Herr Gott, nun schleuss den Himmel auf, BWV 617 (Arr. Ferruccio Busoni) - Live
The Heart Asks Pleasure First (From "The Piano") - Live
Quatrième concert, RCT 10: II. L'indiscrète - Live
Time Lapse (From "A Zed and Two Noughts") - Live
Prelude B Minor, BWV 855a (Arr. Alexander Siloti) [Encore] - Live
The Ballad Which Anne Askew Made and Sang When She Was in Prison
Волнение. Музыка к спектаклю Ивана Вырыпаева
Anton Batagov: I See Your Dream. You See My Dream
"I See Your Dream. You See My Dream" for Orchestra and Piano
On the Other Side, Op. 47: IV. Allegretto
On the Other Side, Op. 47: VII. Moderato
Suite bergamasque, L. 75: III. Clair de Lune
Pink Floyd's Breathe (Arr. Anton Batagov)
The Well-Tempered Clavier, Book 1: Prelude and Fugue No. 8 in E-Flat Minor, BWV 853
6 Pieces, Op. 51: No. 6, Valse sentimentale
Etudes-tableaux, Op. 39: No. 2 in A Minor
Le Tombeau de Couperin, M. 68: No. 3, Forlane
Piano Sonata No. 17 in D Minor, Op. 31 No. 2: III. Allegretto / The Art of Fugue, BWV 1080: Canon alla decima in Contrapunto alla terza
Покой и радость на картинах русских художников
Bodhicharyavatara: The Excellence of Bodhichitta
Bodhicharyavatara: Adopting the Spirit of Awakening
Bodhicharyavatara: The Practice of Patience
The Last Alchemist. Music for Two Pianos
Anton Batagov: The Well-Meditated Clavier
6 Moments musicaux, Op. 94, D 780: No. 3 in F Minor
Alone Again, As Before, Op. 73 No. 6 (Arr. Anton Batagov)
La Belle Musique No. 4, for Four Amplified Pianos - Live
Alexandre Rabinovitch-Barakovsky: «Terza Pratica» Vol. 4 (Live)
State Academic Symphony Orchestra of Russia