Jean-Claude Pennetier (born 16 May 1942) is a French classical pianist. Biography Born in Châtellerault, Pennetier began studying the piano at the age of three and later entered the Conservatoire d
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 0x519886a677148a10d96408f16a16f2ba2d8aafa5877cca5a3785e03cb453c205. 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/7d55f182-3b2e-413c-821b-a03761a30c7c.json and https://artists.proofprofile.net/proofs/artist/7d55f182-3b2e-413c-821b-a03761a30c7c.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Rossini-Oeuvres vocales-Duo des chats-Ave maria-Promenade
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 0x182a925bf490495cd04938c4c43d3d46a01a04be46b72d5dedf430f203430c4f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRZ128101110 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09acb7386e95fbfc8cdbc1d6259179b3824b6354766806d7b6b9a5203c4a2db3. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/FRZ128101130 — a six-check JSON result.
Péchés de vieillesse, Livre 2: Toast pour le nouvel an
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x476fdae77f575b53ab8f107b501cf14e1823dc3f0121264dd36f0e5ad14e07e8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRZ128101140 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55321122c60ffad45b35596841d0236afd3b4b99eae4b74d9e70e4dbf4fa362e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ128101160 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87f623d211f479f2fd4d77d11f05847338a5bbf8bf2641e97a6749fbe4168c0. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/FRZ128101170 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bcc8e7d6794d4aad4208520e6c1e0da9075ca46e4f2648b5633cd292a6c67df. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/FRZ128101200 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f41e0748006297049a30aecfb3771914bdf3c4da68068cc0ce48ea0a40d96c. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/FRZ128101230 — a six-check JSON result.
Piano Concerto No. 23 in A Major, K.488: 2. Adagio
Kammerorchester des Saarländischen Rundfunks
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Piano Concerto No. 23 in A Major, K.488: 3. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41793208ebf741a8229af2affc294abd1480f13b301a0736b838574393f3b681. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRZ396701100 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: 1. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73abb67de7f7b92eb2d86714008ce6a206d5fa4d34697545a2e0a5f252a8ee50. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/FRZ396701130 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: 2. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a1e5e40bd1cfa00c6a48a896370bcf3b0d38bf160446523cc6cf1b39f43ccbf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRZ396701120 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: 3. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x109c901522daf85ec06577ffa3c3c63a2d0dec3dd680a8fc8a54b52d05018918. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/FRZ396701140 — a six-check JSON result.
The Lyrinx Recordings (1994): Schumann, “À Catherine Collard”
The Lyrinx Recordings (1990): Mozart: les deux derniers concertos
The Lyrinx Recordings (Fontevraud, 1997): Schubert
The Lyrinx Recordings (1994·95): Debussy
The Lyrinx Recordings (1991·95): Brahms: Complete works for clarinet – Schumann: 3 Fantasiestücke Op. 73
The Lyrinx Recordings (1998): Beethoven, premier+troisième concertos pour piano
Fauré: Intégrale de l'œuvre pour piano, Vol. 4
Piano Concerto No. 21 in C Major, K. 467: I. Allegro
Orchestre Philharmonique de Radio France
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf66c620e9f713ba9e4d5eac5e65601bf6c0373b1b8a371fd9f8981828712a63f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621631602 — a six-check JSON result.
Piano Concerto No. 21 in C Major, K. 467: III. Allegro vivace assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141e22782a2704a26382922b9b9076f9e5bc44ba82df4ffdef7462de69cf6bca. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/FRU621631603 — a six-check JSON result.
Piano Concerto No. 24 in C Minor K. 491: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4d1d7e3d82bd6d71c8c0b4c96f6cd098d9c57545fc071111d33107bb681fad. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRU621631604 — a six-check JSON result.
Piano Concerto No. 24 in C Minor K. 491: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d93c47978618e2122cd65c9bb9c2096832ddca55bfdd13e22cb621793b4675. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/FRU621631605 — a six-check JSON result.
Piano Concerto No. 24 in C Minor K. 491: III. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04bec8a98f4b50bf8ec6b0a4a80a3f48ba23d6d0f659272be93e6d3d2f2fa8e3. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FRU621631606 — a six-check JSON result.
Fauré: Intégrale de l'oeuvre pour piano, Vol. 3
8 Pièces brèves, Op. 84: V. Improvisation en Ut Dièse Mineur
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78ebbb026529ca286c43d755478b6e75155312798b047553ae1958a24e5b755. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/FRU621427505 — a six-check JSON result.
Harmonies poétiques et religieuses, S. 173: V. Pater noster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6e6593dd8574a3d989078b11cea7903822d5090f5796dca46c03da70f4c2821. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FRU621216701 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe42fc560fcdeb089964a69363866e259e7d434a1716ef1543b3af7673829e8a2. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FRU621216702 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aa4437798145573c0a81f8e80d6492c19c87064b8304cc1890b763761a6f04c. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FRU621216703 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032206187320f120da051cc7ac24a8b96e7f925d71d28ea00b6018bd73ad50e9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRU621216705 — a six-check JSON result.
Via crucis, S. 53: Station I Jesus wird zum tode verdammt
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Via crucis, S. 53: Station II Jesus trägt sein kreuz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6d5c99cc34ef1b95754f785f09e6818841a15b7a46c03b6a1c0f5a42426411. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621216707 — a six-check JSON result.
Via crucis, S. 53: Station III Jesus fällt zum ersten mal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc15493833c2a545f9344326957c83ec5ea8230fa9891292fb9a182d99f7d5e0e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRU621216708 — a six-check JSON result.
Via crucis, S. 53: Station IV Jesus begegnet seiner heiligen mutter
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Via crucis, S. 53: Station V Simon von kryene hilft jesus das kreuz tragen
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Via crucis, S. 53: Station VI Sancta veronica
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49faa7e825fabbc6af021563da638de5bba6dcd1b1fd20e5116d0e775952fd3b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRU621216711 — a six-check JSON result.
Via crucis, S. 53: Station VII Jesus fällt zum zweiten mal
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Via crucis, S. 53: Station VIII Die frauen von jerusalem
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Via crucis, S. 53: Station IX Jesus fällt zum dritten mal
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Via crucis: Station X Jesus wird entkleidet
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Via crucis, S. 53: Station XI Jesus wird ans kreuz geschlagen
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Via crucis, S. 53: Station XII Jesus stirbt am kreuze
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Via crucis, S. 53: Station XIV Jesus wird ins grab gelegt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x403b23d15f6ba0b2627f91fe08344d365e50c3a9f977cbd285b3cd6e2f523025. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRU621216719 — a six-check JSON result.
Fauré: Intégrale de l'oeuvre pour piano, Vol. 2
3 Romances sans paroles, Op. 17: III. Andante moderato
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Sonate pour piano en sol majeur "Fantaisie" No. 20, Op. 78 D. 894: I. Molto moderato e cantabile
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Sonate pour piano en la majeur No. 22 D. 959: I. Allegro
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Sonate pour piano en la majeur No. 22 D. 959: II. Andantino
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Sonate pour piano en la majeur No. 22 D. 959: III. Scherzo : allegro vivace – Trio : un poco più lento
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Fauré: Intégrale de l'œuvre pour piano, Vol. 1
Festival international la roque d'anthéron 2008
Suite pour deux pianos No. 1, Op. 5: Barcarolle, Allegretto
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Romance sans paroles en fa dièse mineur, Op. 67 No. 2
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Romance sans paroles en mi majeur, Op 19 No. 1
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Ständchen: Moderato tempo rubato (Mässig)
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Sonate No. 2 en Fa dièse Mineur, Op. 4: II. Menuet - Trio
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Trio pour piano, violon et violoncelle en Mi bémol majeur, Op. 100, D.929.: I. Allegro
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Trio pour piano, violon et violoncelle en Mi bémol majeur, Op. 100, D.929.: II. Andante con moto
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Trio pour piano, violon et violoncelle en Mi bémol majeur, Op. 100, D.929.: III. Scherzando
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Trio pour piano, violon et violoncelle en Mi bémol majeur, Op. 100, D.929.: III. Allegro moderato
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Beethoven: L'oeuvre pour violoncelle et piano
Alkan: Allegro barbaro, petites fantaisies, trois préludes et trois marches à quatre mains
Beethoven: Les sonates pour violon et piano
Beethoven: Complete Symphonies transcribed for the piano by Franz Liszt
Symphony No. 7 in A Major, Op. 92: II. Allegretto
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Brahms: Sonatas for Viola and Piano, Op.120