thumb|Emmanuelle Bertrand Emmanuelle Bertrand (born 5 November 1973 in Firminy, Loire), is a French cellist. Biography Bertrand studied with Jean Deplace and Philippe Muller, and received early suppo
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 0x5e9629c02af6eeeee230985831491f24900d04e95afd372702c9302c2d929679. 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/45fbafd9-1f03-4f44-82ab-d8b4c6b0fb14.json and https://artists.proofprofile.net/proofs/artist/45fbafd9-1f03-4f44-82ab-d8b4c6b0fb14.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1846, dernière année à Nohant - Chopin: Cello Sonata; Piano Works
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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Cello Sonata in G Minor, Op. 65: I. Allegro moderato
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Cello Sonata in G Minor, Op. 65: II. Scherzo - Allegro con brio
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Cello Sonata in G Minor, Op. 65: III. Largo
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Cello Sonata in G Minor, Op. 65: IV. Finale (Allegro)
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Four Mazurkas, Op. 67: IV. Moderato animato
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Saint-Saëns: Cello Concerto No.1: Sonatas Nos. 2 & 3
Cello Concerto No. 1 in A Minor, Op. 33: I. Allegro non troppo
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Cello Concerto No. 1 in A Minor, Op. 33: II. Allegretto con moto
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Cello Concerto No. 1 in A Minor, Op. 33: III. Allegro non troppo
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Cello Sonata No. 2 in F Major, Op. 123: I. Maestoso (Largamente)
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Dutilleux: Tout un monde lointain; 3 Strophes sur le nom de Sacher / Debussy: Cello Sonata
3 Strophes sur le nom de Sacher: I. Un poco indeciso
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Cello Sonata in D Minor, L. 135: I. Prologue (Lent, sostenuto et molto risoluto)
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Concerto pour violoncelle et orchestre "Tout un monde lointain": I. Énigme
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Trio for Flute, Cello and Piano in G Minor, Op. 63: I. Allegro moderato
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harmonia mundi - Spring Summer 2013, hmnews
Les plus belles musiques classiques pour les enfants
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Ma Mère l'Oye: I. Pavane de la Belle au bois dormant (Lent)
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15 Volkskinderlieder, WoO 31: XI. Wiegenlied
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Fernand de La Tombelle: Musique de chambre, chorale et symphonique (Portraits, Vol. 5)
Emmanuelle Bertrand: Le violoncelle au XXe siècle
Cello Dreams. Berceuses pour violoncelle et piano
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5 Lieder, Op. 49: No. 4, Wiegenlied. Zart bewegt (Arr. for cello and piano by J. Brahms)
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7 Gypsy Songs, Op. 55, B. 104: No. 4, Songs my mother taught me (Arr. for cello and piano by E. Bertrand & P. Amoyel)
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Lyric Pieces, Book II, Op. 38: No. 1, Berceuse in G Major (Arr. for cello and piano by E. Bertrand & P. Amoyel)
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Albumblätter, Op. 124: No. 6, Wiegenliedchen in G Major (Arr. for cello and piano by E. Bertrand & P. Amoyel)
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Schwanengesang, D. 957: No. 4, Ständchen in D Minor (Arr. for cello and piano by E. Bertrand & P. Amoyel)
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Siete Canciones populares Españolas: No. 5, Nana (Arr. for cello and piano by M. Maréchal)
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18 Pieces, Op. 72: No. 2, Berceuse. Andante mosso in A-Flat Major
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Berceuse sur le nom de Gabriel Fauré in G Major, M. 74
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Huit Morceaux (Duos) pour Violon et Violoncelle, Op. 39: No. 3, Berceuse
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Wiegenlied in A-Flat Major, D. 498, Op. 98 No. 2 (Arr. for violin, cello and piano by E. Bertrand & P. Amoyel)
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Trois mélodies, Op. 7: No. 1, Après un rêve (Arr. for cello and piano by E. Bertrand & P. Amoyel)
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Nadia & Lili Boulanger: Les Heures claires (The complete Songs)
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Johannes Brahms: Sonatas & Liebeslieder for Cello and Piano (Bonus Track Version)
Six Songs for Cello and Piano: 3. Sapphische Ode, Op. 94 No. 4 (Arr. for cello and piano)
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Six Songs for Cello and Piano: 4. Wiegenlied, Op. 49 No. 4 (Arr. for cello and piano)
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Cello Concerto No. 1 in E-Flat Major, Op. 107: I. Allegretto
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Cello Concerto No. 1 in E-Flat Major, Op. 107: II. Moderato
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Cello Concerto No. 1 in E-Flat Major, Op. 107: III. Cadenza (Attacca)
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Cello Concerto No. 1 in E-Flat Major, Op. 107: IV. Finale (Allegro con moto)
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Cello Sonata in D Minor, Op. 40: I. Allegro non troppo
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Cello Sonata in D Minor, Op. 40: II. Allegro
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Moderato in A Minor for Cello and Piano, Op. 40a
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Olivier Greif: Les Plaisirs de Chérence & Sonate de Guerre - Pascal Amoyel: Sadhana
Lyric Pieces, Book 1, Op. 12: I. Arietta (Arr. Bertrand & Amoyel)
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Lyric Pieces, Book 3, Op. 43: V. Erotik (Arr. Bertrand & Amoyel)
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Cello Sonata in A Minor, Op. 36: I. Allegro agitato
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Cello Sonata in A Minor, Op. 36: II. Andante molto tranquillo
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Cello Sonata in A Minor, Op. 36: III. Allegro - Allegro molto e marcato
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Saint-Saëns: Sonate No. 1 & Suite, Op. 16
Suite pour Violoncelle et Piano, Op. 16: II. Sérénade
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Suite pour Violoncelle et Piano, Op. 16: IV. Romance
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Le Carnaval des Animaux, R. 125: XIII. Le Cygne pour Deux Pianos et Violoncelle
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Olivier Greif: Sonate de requiem, trio avec Piano
Suite No. 3 for solo cello: I. Allegro deciso
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Alkan: Sonata for Cello and Piano & Liszt: Works for Cello and Piano
Schubert: Wiegenlied in A-flat major, D. 498, Op. 98 No. 2 (Arr. for cello and piano by E. Bertrand & P. Amoyel)
Fauré: Trois mélodies, Op. 7: No. 1, Après un rêve (Arr. for cello and piano by E. Bertrand & P. Amoyel)
Grieg: Lyric Pieces, Book II, Op. 38: No. 1, Berceuse in G Major (Arr. for cello and piano by E. Bertrand & P. Amoyel)
Tchaikovsky: 18 Pieces, Op. 72: No. 2, Berceuse. Andante mosso in A-Flat Major
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Falla: Siete canciones populares españolas: No. 5, Nana (Arr. for cello and piano by M. Maréchal)
Brahms: 5 Lieder, Op. 49: No. 4, Wiegenlied. Zart bewegt (Arr. for cello and piano by J. Brahms)
Nadia Boulanger: Versailles & Le Retour - Lili Boulanger: Trois pièces pour violoncelle et piano
Bach: Cello Suite No. 2 in D Minor, BWV 1008
Bach: Cello Suite No. 1 in G Major, BWV 1007
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Des salves sonores s'élèvent du vivarium
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e977d4154015d5a812264be3bd0e9c8831023212d26bdb40d1d39d80745102a. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1100990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa847260fd4b5f46c1c82bd652d2c882188ef4406e4c70da69035cf509ec123aa. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x943e05654ca2c00bb837281a1e9b5dae164239920c1cf81a0ba78c264d52dd1f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ae6e288ace7c2ecbca6381814028221f70976a4b9965a1162f1358c1b0b773. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99dd6e1291ee7217c258c2ed8884cfddf89b0140dbf7cc6aa55c9f5eb70ca71f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837e3721287ca639a6e6c095ef587e46c08546c4126593f741bb0ab719a8dd6b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce95cc89e452d6195484aeb4d47ffdfdbf343235af0acb2959edff2be4ab3ad8. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8394013f1bf1e6cb08eedd601bcdbbec719f95b90862ebf433d7faa171801c29. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/FR60Z1101060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7a4bf8dceae5f893f6e372935aab726163a7df9a1d711361cbe9c39fdf2c12. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce0555b9d2841d50caea737baffdfd5f392c7b307bf9d53b4f582d5f2d9f53d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z1101080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a94e0261c4e0a167c1386a1c5e3114158c91254ce336638e10095d5a1ab08b7. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/FR60Z1101090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x735531ed1554927d3c8b384eabf691d2ff3326b1ea2a607f72bb817f08f1eeb5. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/FR60Z1101100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb81d0ce8c6c044eedd15daa0101301987de1518c908b5b6bdaa87bf1fabf971. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/FR60Z2100930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43232f1d50c47f6c1417c4e7048f91fbcc914a332097ced1a8f68bcc9154d9b1. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/FR60Z2100940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98dfb81153a48e2c19bc74d03a72a3496461c5775257de90fc9b6c76aecd677c. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FR60Z2100950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0748f958a73800df86edaf4d72109e7dfc62555e4999cf773327833f631c2b1. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/FR60Z2100960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565e8a1a350f2aa0325911b77392db7f6edec8df1183a7ca0c9ae07edb54b7a2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/FR60Z2100970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x186c85b8ff19582980ba31678836b35003b922b8f80ea2dba490acb1f2e40949. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2100980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc285340a85af0cbc0efde8fed1a6c1ec0306dd1677b884910e0132851e157e1e. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/FR60Z2100990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4419a4f7eafd17132d6760b6b1fd1957b5de4d02c363a047d9a8a54d82761fe0. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2101000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d97a5607317fdc47366c4de6ca12289ab50d60915a7ae9dca423510a7508b61. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/FR60Z2101010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8d7994ecae8fda76cea9deaa3273c85926053c79af0d75ccc74ae55d595075. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2101020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8897cbfab7c58d4096b643b0aa7280976abdc131586cea3a833ec1616ab0fad. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2101030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6efa4e2b7d67d67004b36898d33f1cbfd0a40e76011c342c8040a386f6e17299. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2101040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61bba1c69bec1a486149b67f73f40162109399b6628983de9aff74eb22fc94b1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2101050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb790e7bcd8268d52b53bfcb250b7d24c1d729657e7fdb880451a509e0d94631. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/FR60Z2101060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffeec4182eefa4a13e096ede5d9ea006a72544cb7021252ef1e75b1ffc01cc2. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/FR60Z2101070.
Nocturne No. 1 en Si Bémol-Mineur, Op. 9
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822ec5cd8d6fb957fd8e2f6b81efb8f70bcc0a1c3f0d8b773557ce0660cad25a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR60Z2101080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eadf9a62a9e2e4530de32ce2d5c3d5eb2bd2866170acdfba8acfd9792b80592. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FR60Z2101090.