Yan Pascal Tortelier (born 19 April 1947) is a French conductor and violinist. Biography Born in Paris, Tortelier is the son of the cellist Paul Tortelier, and the brother of Maria de la Pau. Tortel
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 0xd6e62f775ada487a7cf57f0c29f76fdd7c280e713044c0991d9755290ae388ae. 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/2a3b1d88-60ad-4789-b2cb-3bfb5214ba82.json and https://artists.proofprofile.net/proofs/artist/2a3b1d88-60ad-4789-b2cb-3bfb5214ba82.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hindemith: Sancta Susanna, Dances from Das Nusch-Nuschi, Suite from Tuttifäntchen & Drei Gesänge
Lalo: Symphonie espagnole, Op. 21 & Cello Concerto
Ravel: Pavane pour une infante défunte, M. 19
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
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Canteloube: Chants d'Auvergne, Book 1: No. 2, Baïlèro
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Ballade in F-Sharp Major for Piano and Orchestra, Op. 19
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Psaume 24. La terre appartient a l'Eternel
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde539b2fd7ea837d588ed23425eb7e037d6ba28b98d1236b7f1926e544f506df. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBLWD9909103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa78c201b7b5f73c043f8fd827da5feac190e9201f31049e5b31e4e180f2d0e1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBLWD9909104.
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Symphony No. 1 in D Major: I. Allegro molto
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Symphony No. 1 in D Major: II. Allegretto moderato
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Symphony No. 1 in D Major: III. Scherzo. Non troppo presto
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Symphony No. 1 in D Major: IV. Finale. Adagio
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Symphony No. 2 in E-Flat Major: I. Adagio - Allegro agitato
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Symphony No. 2 in E-Flat Major: II. Larghetto
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Symphony No. 2 in E-Flat Major: III. Scherzo. Allegro molto
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Symphony No. 2 in E-Flat Major: IV. Finale. Allegro, leggiero assai
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Roussel: Évocations, Pour une Fête de Printemps & Suite in F
Stravinsky: Concerto for Piano, Capriccio, Movements & Petrushka
Schmitt: La Tragédie de Salomé, Le Palais Hanté & Psaume 47
Jean-Efflam Bavouzet plays Debussy, Ravel & Massenet
Fantaisie for Piano and Orchestra, L. 73, CD 72: I. Andante ma non troppo
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Fantaisie for Piano and Orchestra, L. 73, CD 72: II. Lent (très expressif)
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Piano Concerto in G Major, M. 83: III. Presto
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Concerto in D Major for the Left Hand, M. 82
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Susan Graham Sings Chausson, Debussy & Ravel
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Requiem, Op. 48, N. 97: VII. In Paradisum
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Karłowicz: Stanislaw Anna Oswiecim, Lithuanian Rhapsody & Eternal Songs
Hindemith: Violin Concerto, Concert Music for Strings and Brass & Symphonic Metamorphoses on Themes by Carl Maria von Weber
Franck: Symphony in D Minor, Symphonic Variations & Les Eolides
Kodaly: Symphony in C Major, Concerto for Orchestra, Dances of Marosszék & Theatre Overture
Ian Tracy: Symphonic Organ Works, Vol. 2
Symphony No. 2 for Organ and Orchestra, Op. 91: I. Introduction et Allegro risoluto
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Symphony No. 2 for Organ and Orchestra, Op. 91: II. Adagio con affetto
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Le dernier sommeil de la Vierge (from "La Vierge")
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Entr'Acte et Barcarolle (from "Les Contes d'Hoffmann")
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Lalo: Violin Concerto, Le Roi d'Ys, Concerto russe & Scherzo in D Minor
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Violin Concerto in F Major, Op. 20: I. Première partie. Andante - Allegro
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Chausson: Symphony in B-Flat, La Tempête, Viviane & Soir de Fête
Symphony in B-Flat Major, Op. 20: I. Lent
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Symphony in B-Flat Major, Op. 20: II. Très lent
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Symphony in B-Flat Major, Op. 20: III. Animé
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Dutilleux: Métaboles, Mystère & Tout un monde lointain
Hindemith: Pittsburgh Symphony, Symphonic Dances & Ragtime
Dutilleux: Violin Concerto and other Orchestral Works
Roussel: Bacchus et Ariane & Le Festin de l'Araignée
Le festin de l`araignée, Op. 17: No. 21, Danse de l'éphémère
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Lutosławski: Concerto For Orchestra, Musique funébre & Mi-Parti
Poulenc, Widor & Guilmant: Organ Concertos
Symphony No. 1 for Organ and Orchestra, Op. 42: I. Introduction and Allegro
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Symphony No. 1 for Organ and Orchestra, Op. 42: II. Pastorale
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Symphony No. 1 for Organ and Orchestra, Op. 42: III. Finale
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Symphony for Organ, Op. 42 No. 5: I. Allegro vivace
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Symphony for Organ, Op. 42 No. 5: V. Toccata. Allegro
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Hindemith: Symphonia Serena & Die Harmonie der Welt
Ravel: Daphnis et Chloé - Debussy: Prélude a l'après-midi d'un faune
Dutilleux: Symphony No. 1 & Symphony No. 2 "Le Double"
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Debussy: Rhapsody for Alto Saxophone and other Orchestral Works
Hindemith: Cello Concerto & The Four Temperaments
Gershwin: Rhapsody in Blue, Second Rhapsody & Piano Concerto in F Major
Carnival of the Animals, R. 125: The Swan
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Tchaikovsky: Variations on a Rococo Theme for Cello and Orchestra, Op. 33: Introduction. Moderato quasi andante - Theme. Moderato semplice & Variation I. Tempo del tema
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Tchaikovsky: Variations on a Rococo Theme for Cello and Orchestra, Op. 33: Variation II. Tempo del tema
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Tchaikovsky: Variations on a Rococo Theme for Cello and Orchestra, Op. 33: Variation III. Andande sostenuto
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Tchaikovsky: Variations on a Rococo Theme for Cello and Orchestra, Op. 33: Variation V. Allegro moderato
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Tchaikovsky: Variations on a Rococo Theme for Cello and Orchestra, Op. 33: Variation VI. Andante
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Tchaikovsky: Variations on a Rococo Theme for Cello and Orchestra, Op. 33: Variation VII and Coda. Allegro vivo
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