Alexandre Kantorow (born 20 May 1997) is a French pianist. Described by Gramophone as a "fire-breathing virtuoso with a poetic charm" and by Fanfare as "Liszt reincarnated", he won the first prize, go
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a6631ffb44a7ad81d6ec9a6168c2157c3d9cbdd38ab6d4c8487e8bc572bda37. 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/3e2affc5-c273-4890-9507-27bf83fbdd10.json and https://artists.proofprofile.net/proofs/artist/3e2affc5-c273-4890-9507-27bf83fbdd10.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Saint-Saëns: Works for Piano & Orchestra
Piano Concerto No. 1 in E-Flat Major, S. 124: I. Allegro maestoso
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1967e11b63984df58ec23676a3242fc71471714f5718f8f21669e2ab878a270. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEW1500010 — a six-check JSON result.
Piano Concerto No. 1 in E-Flat Major, S. 124: II. Quasi adagio
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Piano Concerto No. 1 in E-Flat Major, S. 124: III. Allegretto vivace - Allegro animato
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Piano Concerto No. 1 in E-Flat Major, S. 124: IV. Allegro marziale animato
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Malédiction, S. 121: Quasi moderato - Sostenuto -
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Malédiction, S. 121: Energico nobilmente - Sempre moderato
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Piano Concerto No. 2 in A Major, S. 125: Adagio sostenuto assai - Allegro agitato assai - Un poco più mosso -
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Piano Concerto No. 2 in A Major, S. 125: Tempo del andante - Allegro moderato -
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Piano Concerto No. 2 in A Major, S. 125: Allegro deciso -
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Piano Concerto No. 2 in A Major, S. 125: Marziale un poco meno allegro -
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Piano Concerto No. 2 in A Major, S. 125: Un poco meno mosso -
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Piano Concerto No. 2 in A Major, S. 125: Allegro animato
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Piano Concerto No. 2 in G Minor, Op. 22, R. 190: I. Andante sostenuto
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Piano Concerto No. 2 in G Minor, Op. 22, R. 190: II. Allegro scherzando
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Piano Concerto No. 2 in G Minor, Op. 22, R. 190: III. Presto
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Allegro appassionato in C-Sharp Minor, Op. 70, R. 37
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Piano Concerto No. 1 in D Major, Op. 17, R. 185: I. Andante
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Piano Concerto No. 1 in D Major, Op. 17, R. 185: II. Andante sostenuto, quasi adagio
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Piano Concerto No. 1 in D Major, Op. 17, R. 185: III. Allegro con fuoco
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Piano Concerto No. 3 in E-Flat Major, Op. 29: I. Moderato assai
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Piano Concerto No. 3 in E-Flat Major, Op. 29: II. Andante
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Piano Concerto No. 3 in E-Flat Major, Op. 29: III. Allegro non troppo
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Piano Concerto No. 4 in C Minor, Op. 44: I. Allegro moderato - Andante
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Piano Concerto No. 4 in C Minor, Op. 44: II. Allegro vivace - Andante - Allegro
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Piano Concerto No. 5 in F Major, Op. 103 "Egyptian": I. Allegro animato
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Piano Concerto No. 5 in F Major, Op. 103 "Egyptian": II. Andante
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Piano Concerto No. 5 in F Major, Op. 103 "Egyptian": III. Molto allegro
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Alexandre Kantorow plays Brahms and Schubert
Piano Sonata No. 1 in C Major, Op. 1: I. Allegro
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Piano Sonata No. 1 in C Major, Op. 1: II. Andante
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Piano Sonata No. 1 in C Major, Op. 1: III. Allegro molto e con fuoco — Più mosso
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Piano Sonata No. 1 in C Major, Op. 1: IV. Allegro con fuoco — Presto non troppo ed agitato
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Der Wanderer, S. 558/11 (After Schubert, D. 489)
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Der Müller und der Bach, S. 565/2 (After Schubert, D. 795/19)
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Frühlingsglaube, S. 558/7 (After Schubert, D. 686)
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Die Stadt, S. 560/1 (After Schubert, D. 957/11)
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Am Meer, S. 560/4 (After Schubert, D. 957/12)
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Fantasy in C Major, "Wanderer Fantasy", D 760: I. Allegro con fuoco ma non troppo
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Fantasy in C Major, "Wanderer Fantasy", D 760: II. Adagio
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Fantasy in C Major, "Wanderer Fantasy", D 760: III. Presto
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Fantasy in C Major, "Wanderer Fantasy", D 760: IV. Allegro
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4 Ballades, Op. 10: No. 1, Andante - Poco più moto - Allegro
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4 Ballades, Op. 10: No. 2, Andante - Allegro non troppo
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4 Ballades, Op. 10: No. 4, Andante con moto - Più lento
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Piano Sonata No. 3 in F Minor, Op. 5: I. Allegro maestoso
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Piano Sonata No. 3 in F Minor, Op. 5: II. Andante espressivo
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Piano Sonata No. 3 in F Minor, Op. 5: III. Scherzo
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Piano Sonata No. 3 in F Minor, Op. 5: IV. Intermezzo (Rückblick)
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Piano Sonata No. 3 in F Minor, Op. 5: V. Finale
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5 Studies, Anh. 1a No. 1: No. 5, Chaconne von J.S. Bach (After J.S. Bach's BWV 1004)
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Piano Sonata No. 2 in F-Sharp Minor, Op. 2: I. Allegro non troppo, ma energico
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Piano Sonata No. 2 in F-Sharp Minor, Op. 2: II. Andante con espressione
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Piano Sonata No. 2 in F-Sharp Minor, Op. 2: III. Scherzo. Allegro - Trio. Poco più moderato
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Piano Sonata No. 2 in F-Sharp Minor, Op. 2: IV. Finale. Sostenuto - Allegro non troppo e rubato
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Hungarian Rhapsody in A Minor, S. 244 No. 11
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Piano Sonata No. 1 in D Minor, Op. 28: I. Allegro moderato
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Piano Sonata No. 1 in D Minor, Op. 28: II. Lento
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Piano Sonata No. 1 in D Minor, Op. 28: III. Allegro molto
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18 Pieces, Op. 72, TH 151: No. 5, Méditation
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18 Pieces, Op. 72, TH 151: No. 17, Passé lointain
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The Firebird Suite (1919 Version) [Arr. for Piano by G. Agosti]: III. Infernal Dance
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The Firebird Suite (1919 Version) [Arr. for Piano by G. Agosti]: IV. Lullaby
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The Firebird Suite (1919 Version) [Arr. for Piano by G. Agosti]: V. Finale
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2 Pieces, Op. 1: No. 1, Scherzo à la russe, TH 124
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Violin Sonata No. 1 in G Major, Op. 12: II. Vivace
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Schubert: Fantasy in C Major, ‘Wanderer Fantasy’, D 760: II. Adagio
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Brahms: Piano Sonata No. 1 in C Major, Op. 1: III. Allegro molto e con fuoco — Più mosso
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Schubert: Der Müller und der Bach, S 565/2 (D 795/19)
Der Müller und der Bach, S 565/2 (D 795/19)
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