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 0x93e68cedc46b1df3e14f07d72a8147237a59d190fb1f045f5c47733176efe805. 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/97b59243-e515-414f-8fb4-4743e476cf9f.json and https://artists.proofprofile.net/proofs/artist/97b59243-e515-414f-8fb4-4743e476cf9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
3 Sonetti di Petrarca, S. 270a (1st Version): No. 2, Benedetto sia 'l giorno [Sonnet No. 47]
3 Sonetti di Petrarca, S. 270a (1st Version): No. 1, Pace non trovo [Sonnet No. 104]
3 Sonetti di Petrarca, S. 270a (1st Version): No. 3, I' vidi in terra angelici costumi [Sonnet No. 123]
Kreisleriana, Op. 16: II. Sehr innig und nicht zu rasch
Kreisleriana, Op. 16: III. Sehr aufgeregt
Kreisleriana, Op. 16: VIII. Schnell und spielend
Années de pèlerinage II, Italy, S. 161b: No. 7, Après une lecture du Dante, fantasia quasi sonata
3 Fantasiestücke, Op. 111: No. 2 in A-Flat Major "Ziemlich langsam"
Keyboard Sonata in C Major, Hob. XVI: 48: 1. Andante con espressione
Keyboard Sonata in C Major, Hob. XVI: 48: 2. Rondo. Presto
Vingt regards sur l'Enfant-Jésus: 15. Le baiser de l'Enfant-Jésus
Preludes and Fugues for Piano, Op. 87: Prelude and Fugue No. 4 in E Minor
Piano Sonata No. 7 in B-Flat Major, Op. 83: 1. Allegro inquieto
Piano Sonata No. 7 in B-Flat Major, Op. 83: 2. Andante caloroso
Piano Sonata No. 7 in B-Flat Major, Op. 83: 3. Precipitato
5 Bagatelles: 5. Threnody (For All The Innocent Victims)
10 Harmonies poétiques et religieuses, S. 173: 7. Funérailles
Alexander Gadjiev Play Sergei Prokofiev, Alexander & Nikolai Tcherepnin
Sarcasms, Op. 17: III. Allegro precipitato
8 Pieces for Piano, Op. 88: No. 1, Meditation
8 Pieces for Piano, Op. 88: No. 2, Intermezzo
8 Pieces for Piano, Op. 88: No. 3, Reverie
8 Pieces for Piano, Op. 88: No. 4, Impromptu
8 Pieces for Piano, Op. 88: No. 5, Invocation
8 Pieces for Piano, Op. 88: No. 6, The Chase
8 Pieces for Piano, Op. 88: No. 7, Etude
8 Pieces for Piano, Op. 88: No. 8, Burlesque
4 Prélude Nostaliques for Piano, Op. 23: No. 1, Lento
4 Prélude Nostaliques for Piano, Op. 23: No. 2, Allegretto
4 Prélude Nostaliques for Piano, Op. 23: No. 3, Tempestoso
4 Prélude Nostaliques for Piano, Op. 23: No. 4, Con dolore, molto sotenuto
Vision fugitives, Op. 22: No. 1, Lentamente
Vision fugitives, Op. 22: No. 2, Andante
Vision fugitives, Op. 22: No. 3, Allegretto
Vision fugitives, Op. 22: No. 4, Animato
Vision fugitives, Op. 22: No. 7, Pittoresco (Arpa)
Vision fugitives, Op. 22: No. 9, Allegro tranquillo
Vision fugitives, Op. 22: No. 11, Con vivacità
Vision fugitives, Op. 22: No. 12, Assai moderato
Vision fugitives, Op. 22: No. 14, Feroce
Vision fugitives, Op. 22:No. 15, Inquieto
Vision fugitives, Op. 22: No. 16, Dolente
Vision fugitives, Op. 22: No. 17, Poetico
Vision fugitives, Op. 22: No. 18, Con una dolce lentezza
Vision fugitives, Op. 22: No. 20, Lento irealmente
The Fisherman and the Fish, Op. 41: No. 1, Andantino commodo
The Fisherman and the Fish, Op. 41: No. 2, Moderato assai
The Fisherman and the Fish, Op. 41: No. 3, Moderatoassai molto risoluto
The Fisherman and the Fish, Op. 41: No. 4, Andantino mosso
The Fisherman and the Fish, Op. 41: No. 5, Marziale maestoso
The Fisherman and the Fish, Op. 41: No. 6, Andantino con moto
Alexander Gadjiev Plays Sergei Prokofiev, Alexander & Nikolai Tcherepnin
Five Sarcasms, Op. 17: No. 1, Tempestoso
Five Sarcasms, Op. 17: No. 2, Allegro rubato
Five Sarcasms, Op. 17: No. 3, Allegro precipitato
Five Sarcasms, Op. 17: No. 5, Precipitosissimo
Eight Pieces for Piano, Op. 88: No. 1, Meditation
Eight Pieces for Piano, Op. 88: No. 2, Intermezzo
Eight Pieces for Piano, Op. 88: No. 3, Reverie
Eight Pieces for Piano, Op. 88: No. 4, Impromptu
Eight Pieces for Piano, Op. 88: No. 5, Invocation
Eight Pieces for Piano, Op. 88: No. 6, The Chase
Eight Pieces for Piano, Op. 88: No. 7, Etude
Eight Pieces for Piano, Op. 88: No. 8, Burlesque
Twelves Preludes, Op. 85: No. 2, Allegro
Quatre Prélude Nostaliques for Piano, Op. 23: No. 1, Lento
Quatre Prélude Nostaliques for Piano, Op. 23: No. 2, Allegretto
Quatre Prélude Nostaliques for Piano, Op. 23: No. 3, Tempestoso
Quatre Prélude Nostaliques for Piano, Op. 23: No. 4, Con dolore, molto sotenuto
Vision fugitives, Op. 22: No. 7 ,Pittoresco (Arpa)
Vision fugitives, Op. 22: No. 15, Inquieto
Vision fugitives, Op. 22: No 20, Lento irealmente
Six Musical Illustrations to Alexander Pushkin's Tale of the Fisherman and the Fish, Op. 41: No. 1, Andantino commodo
Six Musical Illustrations to Alexander Pushkin's Tale of the Fisherman and the Fish, Op. 41: No. 2, Moderato assai
Six Musical Illustrations to Alexander Pushkin's Tale of the Fisherman and the Fish, Op. 41: No. 3, Moderatoassai molto risoluto
Six Musical Illustrations to Alexander Pushkin's Tale of the Fisherman and the Fish, Op. 41: No. 4, Andantino mosso
Six Musical Illustrations to Alexander Pushkin's Tale of the Fisherman and the Fish, Op. 41: No. 5, Marziale maestoso
Six Musical Illustrations to Alexander Pushkin's Tale of the Fisherman and the Fish, Op. 41: No. 6, Andantino con moto
Préludes, Livre I, CD 125: No. 10: La cathédrale engloutie
Pictures at an Exhibition: III. Promenade
Pictures at an Exhibition: IV. Il vecchio castello
Pictures at an Exhibition: VI. Tuileries (Dispute d’enfants après jeux)
Pictures at an Exhibition: VIII. Promenade
Pictures at an Exhibition: IX. Ballet des poussins dans leurs coques
Pictures at an Exhibition: X. Samuel Goldenberg und Schmuÿle
Pictures at an Exhibition: XI. Promenade
Pictures at an Exhibition: XII. Limoges. Le marché (La grande nouvelle)
Pictures at an Exhibition: XIII. Catacombae (Sepulcrum romanum)
Pictures at an Exhibition: XIV. Cum mortuis in lingua mortua
Pictures at an Exhibition: XV. La cabane sur des pattes de poule (Baba-Yaga)
Pictures at an Exhibition: XVI. La grande porte de Kiev
Prélude, fugue et variation, Op. 18 (Arr. For Solo Piano by Harold Bauer)
Harmonies poétiques et religieuses III, S.173: No. 7, Funérailles
10 Pieces for Piano, Op. 12: No. 6, Legend
Prelude in B Minor (After Bach's Prelude BWV 855a)
12 Etudes, Op. 8: No. 12 in D-Sharp Minor
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb748835d17a5f9082811b95e35e365b47f704cd75bcfb0aee8670f4c298ecb0b. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO02201149.