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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a1f46cf95d921457575dd27790d32d58551e86b05a018f5716a83ee554b434f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab86eca0-0d75-4c74-90ca-a8138515d657.json and https://artists.proofprofile.net/proofs/artist/ab86eca0-0d75-4c74-90ca-a8138515d657.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sinfonia concertante for Violin, Viola and Cello (fragment) in A Major, K320e Anh 104 - Completed by Robert Levin
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cad0baf6875aecfbc7fd8deea6febea0f12461c90a98d8ada75178bed8ddb77. 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/FRZ132119050.
Haydn: Allegro from Cello Concerto No. 2 in D Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1ec05351ed6be2728b291068a72a7ded056f55dd1b1ea6ddab278a309fe1a1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRZ132119100.
Gluck: Orphée et Eurydice, Danse des ombres heureuses (Arr. for Cello & Orchestra by Christian-Pierre La Marca)
Porpora: Largo from Cello Concerto in G Major
Je n'aime pas Mozart, mais ça j'aime bien !
Symphony No. 40 in G Minor, K. 550: I. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb16727506f4a9fbe70f6418ae90272b15c5de3f2fbaac78b4c5e741967e93c58. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USSM11308128.
Requiem in D Minor, K. 626: III. Sequentia: Lacrimosa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce32636c1e2ef34af8434c75f557e8bcbb44e97ac20a1d042a61646553040a10. 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/DEE470400101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10c97b2d7ed0565afba64deaa535758e06926cc100902b61afd9314c806a6bec. 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/FRZ051500724.
Clarinet Concerto in A Major, K. 622: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ed0831165c3bb9371e37949e3aa2f245db9cc2c8ba8adc9cf9886b1619ad6e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USBC10400671.
Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f424373900359c08b505aa75fbc0abc6c4f9496c8d5b88cb30ef81f93778a4c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USSM10410290.
Die Zauberflöte, K. 620: Der Hölle Rache
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6197fcb3891f67dc2b9de0c82862ba78b6ceff28f616c8f068e6fc2fcca81b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USBC18000207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x358dbfb619a751c2c0c0852d787a4ab56f8d4d2b9c7bdff44b6f3b9139ed7126. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10006732.
Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bfe9fdefd7955ff44aee7e0fd66e91692f0c05173c1db5f69439ce482f3f4ef. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEE470503400.
Lachrimae, or Seaven Teares: No. 1, Lachrimae Antiquae
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd924387be60a29cd5a4a5e0e6cd1edd819e729959fb7b68a55cac921b5d02c. 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/FRZ132010020.
Suite No. 1 in D Minor: No. 20, Les folies d'Espagne - Arr. for Solo Cello - Pièces de viole, Livre II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098347995cf7392bb75e16f47137cd750ad1b0cbb416ac6ada13d02258116b7a. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRZ132010030.
Suite in G Major, RCT 6: No. 14, Les sauvages - Arr. for Solo Cello - Nouvelles suites de pièces de clavecin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ecc883f9b4e4d764234cc6c39d96fd2560c788b7b7608679137f68d685f1809. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRZ132010040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa284a9a3418947e0fa30c306c80aa55b6b120d221be91e6cf4ca671e4c0358d5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRZ132010050.
Trois Strophes sur le nom de Sacher: I. Un poco indeciso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe968b5e0ffeb1fe0010e56f4da76a9ca5e10370f175a4a276124b1ced398a6b8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRZ132010060.
Trois Strophes sur le nom de Sacher: II. Andante sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6291e6fab05f2d8110de7c074dadd4205c3d5b3113230da05d141cbcd8c534f6. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:10:59Z), 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/FRZ132010070.
Trois Strophes sur le nom de Sacher: III. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40950aa47d15f6b41a8fce36663249df7ca0269c8604f15650415abe4f09ca59. 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/FRZ132010080.
Dido and Aeneas, Z. 626: When I am Laid in Earth - Arr. for Solo Cello
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb401feb1079c897d37a1227fb532a8868cada52b0fc191d82b2ac3eaa2ea43b. 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/FRZ132010090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57688dc85410f82635c103662117b09503786082ad0054bbe85fc11753906d33. 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/FRZ132010100.
Sonata for Viola da Gamba, TWV 40:1: II. Courante. Allegro vivace - Arr. for Solo Cello
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5f6a74c42eff9d4ca2d7c62d397c79813de2f6c6f883a466919dcadb30013aa. 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/FRZ132010130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1aa88ec67994022db474f62c6becc00cc6046762b6e8c154bf7311be094c84e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRZ132010140.
Modern Times - Theme - Arr. for Solo Cello
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63401a211892fdd52961cf9f44b0ac38e58c3c00fa0fb7478ff544a11da6dc09. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/FRZ132010170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x022c7df8c37ce342ebe015a5970d85c29c2fa8c339513929a0def396c50be3ff. 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/FRZ132010180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd684dc860f6fcb34cad9fdb1c8c28bb40f709f417c343db306f0b0da669224. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRZ081100126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a30761c731ebb9a3b2557d8bdfeaa15e1ad17e8b1b58432bf848cc29d5ed71. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/FRZ081100146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5df1bd2348b7de0211a571abc383f2213847a57ba3307ab7eef54ab43f6341e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRZ081100123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed2afb6938a7c566e62a8a6f369bee550741630785294ee9964401f903c32471. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRZ081100132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe437672cd52b8d7daeb26d48e46eaa6d91ab0cc89d478c9c588a23d538048f7. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ081100125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x477320eb6cdbdab132054fc708ae0a7b54b15c3dccd56aff734cf778e4f5b25d. 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/FRZ081100116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2561e30aaaad0dd34e1499b3b22bd862db9373c55da25f42283a8fcd5fc98345. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FRZ081100133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa5af8288a6a66f8c7d83bd89856d1e37112de3935f4ba88c77870abea15037. 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/FRZ081100124.
Deux escargots s'en vont à l'enterrement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30a72608302e6965f80a8a886626eb565afe356845fbeee2f80437b472ab4081. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRZ081100131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe035aae51cc331585f29125736af224d4a7e9ea53c3db6c8d2755532a1870014. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-21T17:21:05Z), 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/FRZ081100143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe401509b0d5d7f1b92a6f62e6db4e5b2b8dcd669e4ada265efb09414312dafa4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRZ081100127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c3127debd19755582d4b3c735e8fd8093cf5a133fd1e04c2a23de39fde29b6. 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/FRZ081100138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1861e5c790fa41446ce6c2631227bc8d074bb144709f84dea5b63ba79c4519. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USQX91500811.
Agnus Dei pour choeur et l'Adagio du quatuor, Op. 11: "Agnus Dei" (Arr. for Cello and Strings Quintet)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2db05dd441306f05efd21284626ea80b49f0f2ad193a7b598ca5abe5f47bc3. 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/FRZ051500718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce32636c1e2ef34af8434c75f557e8bcbb44e97ac20a1d042a61646553040a10. 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/DEE470400101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f24645400f61f5129598f3a06ca3e39ba6b0c7f22999e1994fbcf0443a3a51f. 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/USSM11609384.
Variations on an Original Theme, Op. 36 "Enigma": Var. 9, Nimrod
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x669c89c41d779800e712056a4755a967ca91c9f677383c95014bae5ce2087251. 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/USSM17600471.
Cello Ensemble of the Amsterdam Sinfonietta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e76cc2343703318cd08e0cb47b25746f3625257dd495d80011e080372cffc8e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEE471400267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aa5af8288a6a66f8c7d83bd89856d1e37112de3935f4ba88c77870abea15037. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FRZ081100124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8612a5dd465ed45c39c04c46bcdbeb93d07fecebec6199c85df181c6d7777bd2. 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/FRZ050400175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf315f83fa5703c29b344774f9e4936c1547584f7dea4db1bfd45a04157c7b8ed. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE861900553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67bc2cc40f0db7a341bab24753d3e129b0f68de1049199298f89792e401fb931. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USBC17300311.
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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The Seasons, Op. 37b: X. October (Autumn Song)
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Peer Gynt Suite No. 1, Op. 46: Ase's Death
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Modern Times "Smile" - Theme - Arr. for Solo Cello by Christian-Pierre La Marca
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Moon River - Arr. for Cello, Piano & String Orchestra by Stéphane Gassot & Christian-Pierre La Marca
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Over the Rainbow - Arr. for Cello, Piano & String Orchestra by Stéphane Gassot & Christian-Pierre La Marca
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I giorni - Arr. for Cello, Piano & String Orchestra by Stéphane Gassot & Christian-Pierre La Marca
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Yesterday - Arr. for Solo Cello by Christian-Pierre La Marca
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Pavane, Op. 50 (Arr. for Cello and Piano)
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Samson et Dalila, Op. 47: Mon coeur s'ouvre à ta voix (Arr. for Cello and Piano)
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Berceuse, Op. 16 (Arr. for Cello and Piano)
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Werther: Pourquoi me réveiller (Arr. for Cello and Piano)
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L'amour des trois oranges, Op. 33: Marche (Arr. for Cello and Piano)
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Magnificat en mi bémol majeur, BWV 243a: "Deposuit potentes"
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Requiem en ré mineur, Op. 48: "Pie Jesu"
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Passion selon Saint-Matthieu, BWV 244: "Erbarme dich, mein Gott"
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Magnificat en ré majeur, BWV 243: "Et Misericordia"
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Stabat Mater, P. 77: "Stabat Mater dolorosa"
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Stabat Mater, RV 621: "Eia Mater, fons amoris"
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Stabat Mater, RV 621: "Stabat Mater dolorosa"
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Choral Prelude, BWV 639: "Ich ruf' zu dir, Herr Jesu Christ"
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Dixit Dominus, HWV 232: "De torrente in via bibet"
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Suite pour violoncelle No.1 en sol majeur, BWV 1007: Praeludium
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Suite pour violoncelle No.1 en sol majeur, BWV 1007: Courante
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Suite pour violoncelle No.1 en sol majeur, BWV 1007: Sarabande
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Suite pour violoncelle No.1 en sol majeur, BWV 1007: Gigue
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Suite pour violoncelle No.2 en Ré Mineur, BWV 1008: Praeludium
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Suite pour violoncelle No.2 en Ré Mineur, BWV 1008: Sarabande
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Suite pour violoncelle No.2 en Ré Mineur, BWV 1008: Gigue
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Suite pour violoncelle No.3 en Do Majeur, BWV 1009: Praeludium
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Suite pour violoncelle No.3 en Do Majeur, BWV 1009: Bourrées
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Ravel: Trio, Sonate pour violon et violoncelle & Sonate pour violon et piano
Trio pour piano, violon & violoncelle, M. 67: I. (Modéré)
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Trio pour piano, violon & violoncelle, M. 67: IV. Final (Animé)
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Sonate pour violon & violoncelle, M. 73: II. (Très vif)
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Sonate pour violon & violoncelle, M. 73: IV. (Vif, avec entrain)
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Schumann: Cello Concerto in A Minor, Op. 129
Cello Concerto in A Minor, Op. 129: I. Nicht zu schnell
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Cello Concerto in A Minor, Op. 129: II. Langsam
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No Time to Die (Arr. for Solo Cello by Christian-Pierre La Marca)
O Christmas Tree (Arr. For Cello by Stéphane Gassot)
What a Wonderful World (Arr. by Stéphane Gassot & Christian-Pierre La Marca)
I giorni (Arr. by Stéphane Gassot & Christian-Pierre La Marca)
I giorni - Arr. by Stéphane Gassot & Christian-Pierre La Marca
Après un rêve, Op. 7 No. 1 (Arr. by Stéphane Gassot & Christian-Pierre La Marca)
Summertime (Arr. by Christian-Pierre La Marca & Baptiste Trotignon)
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Suite No. 1 in D Minor (Pièces de viole, Livre II)
Suite No. 1 in D Minor: No. 20, Les folies d'Espagne - Pièces de viole, Livre II
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Sonate pour violoncelle et piano en sol mineur, op.19/III. Andante
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Mavra: Russian Song (Arr. for Cello and Piano)
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Musique classique pour travailler, lire, dormir
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L'Inverno (Winter) Op. 8 No. 4 in F minor: II. Largo
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Songs without Words, Op. 67, No. 3 in B-Flat Major: Andante tranquillo
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Vivaldi Variation (Arr. for Piano from Concerto for Strings in G Minor, RV 156 by F. Christl)
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Pavane, Op. 50 (Arr. for Chamber Ensemble)
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5 Stücke im Volkston, Op. 102: II. Langsam
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L'invitation au château, FP 138: Acte 2: Mouvement de valse. Hésitation III
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Songs without Words, Op. 38, No. 2 in C Minor: Andante
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Violoncelle Apaisant (Musique Classique)
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Le carnaval des animaux, R. 125 : XIII. Le cygne
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Serse, HWV 40, Act I: Ombra mai fu (Arr. for Cello and Piano)
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Sonata for Arpeggione and Piano in A Minor, D.821: II. Adagio
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Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]
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Unaccompanied Cello Suite No. 1 in G major, BWV 1007: IV. Sarabande
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Cello Concerto in D Major, RV 403: Andante e spiritoso
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Fantasiestücke, Op. 73: I. Zart und mit Ausdruck
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Rêverie, L.68 (Arr. for Cello, Piano, Alto, Violins, Flute and Clarinet)
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L'Estate (Summer) Op. 8 No. 2 in G minor: III. Presto
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Gymnopédie No. 1 (Arr. for Cello and Guitar)
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Sonata No. 5 in D Mjor, Op. 102 No. 2: III. Allegro fugato
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La Primavera (Spring) Op. 8 No. 1 in D major: I. Allegro
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Concerto for Cello and Orchestra in A Minor, Op. 129: Cadenza - Original Ending
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Porgy and Bess: Summertime (Arr. for Cello and Piano)
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Je n'aime pas Bach, mais ça j'aime bien !
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Was mir behagt, ist nur die muntre Jagd, BWV 208: IX. Schafe können sicher weiden (Arr. for Piano)
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St. Mathew Passion, BWV 244: "Erbarme dich"
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Italian Concerto in F Major, BWV 971: Italian Concerto in F Major, BWV 971: I. [Allegro]
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Keyboard Concerto in F Minor, BWV 1056: III. Presto
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Keyboard Concerto in D Major, BWV 1054: Keyboard Concerto in D Major, BWV 1054: I. [Allegro]
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Orpheus in the Underworld: Cancan - Single Version
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Má Vlast, JB 1:112: The Moldau (Vltava) [Excerpt]
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Concierto de Aranjuez: II. Adagio [Excerpt]
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Je n'aime pas Rachmaninov, mais ça j'aime bien !
Étude-tableau in D Minor for Piano, Op. 39, No. 8
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Moon River - Arr. by Stéphane Gassot & Christian-Pierre La Marca
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Over the Rainbow - Arr. by Stéphane Gassot & Christian-Pierre La Marca
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Guys and Dolls - Arr. for Voice, Cello & Piano by Thierry Escaich, Christian-Pierre La Marca & Patricia Petibon
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You Want My Money - Arr. by Nili Hadida, Benjamin Cotto & Christian-Pierre La Marca
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Love Letters (Tribute to Clara & Robert Schumann)
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Fantasiestücke, Op. 73 (Version with Cello): I. Zart und mit Ausdruck
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Adagio and Allegro in A-Flat Major, Op. 70: I. Langsam mit innigem Ausdruck - Version with Cello
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Adagio and Allegro in A-Flat Major, Op. 70: II. Rasch und feurig - Version with Cello
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F-A-E Sonata: II. Intermezzo, WoO 2/3 - Arr. for Cello and Piano by Christian-Pierre La Marca
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Kinderszenen, Op. 15: VII. Träumerei - Arr. for Cello and Piano by Christian-Pierre La Marca
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Robert Schumann: Zart und mit Ausdruck (from Fantasiestücke Op. 73)
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Clara Schumann: Andante molto (from 3 Romances, Op. 22) [Arr. for Cello and Piano by Christian-Pierre La Marca]