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 0x8fd9c6ede055380d4d6bc56799d7f545c31c9c4904f7f644e4f1de617f99f6dc. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c419f95b-5e5f-472c-8d74-741d1b0ea810.json and https://artists.proofprofile.net/proofs/artist/c419f95b-5e5f-472c-8d74-741d1b0ea810.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x8be429a41b995e925f4fc125b79f9a422c3ec027c1ea5152a03f31f17855b505. 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/EEUV32200004.
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": II. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb14bc45d0bfae05ecfeb54982378351246d212accf3fb8ed0af7aafe50661c09. 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/NLHK12000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc775b390bc19d2c9915b16bc0e97012880d07f5bca11c5f86af9a2d16f2e97f. 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/RUB362100017.
14 Romances, Op. 34: No. 14, Vocalise (Arr. for Cello and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc377a64f3d9afb2e641d88315e23dff8eedc32ab51f3353102902148748041b9. 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/EEUV32300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x590ec12338249d371217cbcf2081f49c3c282d8a770b5a4c89ad562015b31aa5. 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/NLHK11500019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x968f1202e07b8dab6a59dd7cf016471ae80292bc6d8f55ca83cfd0694c23b87f. 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/UK6822200777.
I Will Wait for You (Arr. for Piano by Christina Grigoryants)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc815f0d1465fd3e98e668548e2176bda2046b688036738d1c05d4925d187b5b. 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/EEUV32200071.
The Well-Tempered Clavier: Book 1, BWV 846-869: I. Prelude in C Major, BWV 846
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9066095fe45e89aaba1eeebcd163c01575c74cd60f8eeb66658313f8a848fb6e. 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/UK6822200775.
Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie (Arr. for Flute and Harpsichord)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc53c6e27889c6309e981556fd10d8ea209ea9840b614f9116020e3039dce79. 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/EEVR32300003.
The Nutcracker Suite, Op. 71a (Arr. for Piano): I. Tempo di marcia viva
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb21276321067428bce45dfc8b105b34c90a7ebd1d661a87f7ccc77543f6f518. 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/RUB701800001.
5 Morceaux de fantaisie, Op. 3: No. 1, Elégie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c10424e85ffc86d8270bb9c157a9768d0ebd62acaf7ed9f380e0152a54a2141. 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/RUB972200001.
Cello Suite No.1 in G major, BWV 1007: I. Prélude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38585e9fc5b9b93bbbd8acd25251689b9cdca0bb12c669ccde0817ad4432a8b. 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/LVL152005480.
The Well-Tempered Clavier: Book I, BWV 846-869: Prelude and Fugue in C major, BWV 846: I. Praeludium
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39426e61cc63b1d989034f1f45b512c4ce18b4568bcea411bfcf5fb7b12c8ba0. 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/RUB362100019.
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "Air on the G String" (Arr. for Viola, Strings and Harpsichord by Sergey Bryukhno)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. 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/RUB362100005.
6 Violin Sonatas and Partitas, BWV 1001-1006: Sonata No. 2 in A minor, BWV 1003: III. Andante (Transcr. for Piano by Alexander Siloti)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2e02f641731f6fa4de0b5a4c97c5f20b85c184a5c089609098682f1781286d. 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/EEUV32200029.
Ich ruf zu dir Herr Jesu Christ, BWV 639
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a7421c67bb0056c1c90c4e601050de81320fd6fa8cad1490fc450fdacef600. 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/RUB361900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. 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/RUB362100005.
The Four Seasons, Op. 8, Concerto No. 4 in F Minor, RV 297 "Winter": I. Allegro non molto (Arr. for 2 Violins and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x824243928c95cf96240abe1b90061b19976a2fddd554367c34f408a73f1438b5. 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/LVC411100007.
Thaïs: Meditation (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c87f5b5524ff275c3cd40e3a673ad3d207c6e5fc27b5e8bdc9461691e1d77f. 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/UK6822200772.
Préludes, Livre 1, L. 117: No. 4, Les sons et les parfums tournent dans l'air du soir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d268f86e0e0f2823c89fb4e5f4da1f8a8bef41fd97f4216517675b5799b3a8. 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/NLHK10900041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x590ec12338249d371217cbcf2081f49c3c282d8a770b5a4c89ad562015b31aa5. 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/NLHK11500019.
Orphée et Eurydice, Wq. 41: Mélodie (Transcr. for Violin and Piano by Fritz Kreisler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2de880b49db8dad376b169a707b9051fbdb0cd9875368de361da914b1c042a8. 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/UK6822200771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2d11288c601120b57fde1a26ac9544a34771604177fdb5b06dc1ff65fd3482. 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/EEUV32200010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98bbaf67b2c1cc6d62b7d3529277034aa0c809198a9109a7bf698708f396098. 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/GBCFU0400548.
14 Romances, Op. 34: No. 14, Vocalise (Transcr. for Piano by Vyacheslav Gryaznov)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd33f5489639e1e8815bacc681c82f9873ae6a96b3d680394ee6c2cea10349e7b. 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/EEUV32200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183803720e0b57a7f78b6a9dc0938e208c2c4d518db1c46a1c55f11ea17a9a4a. 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/GBCFU0400565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f5348f5c97a906ebea53bf30a9003db13bb6ba5ebba0ebf48c1cb64604fd53. 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/RUB362100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x824243928c95cf96240abe1b90061b19976a2fddd554367c34f408a73f1438b5. 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/LVC411100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc38585e9fc5b9b93bbbd8acd25251689b9cdca0bb12c669ccde0817ad4432a8b. 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/LVL152005480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc377a64f3d9afb2e641d88315e23dff8eedc32ab51f3353102902148748041b9. 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/EEUV32300011.
Adagio in G Minor for Strings and Organ "Albinoni's Adagio" (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa450716c5dcd418736990f9ae8facf0073a0ab3e5b6dbe10998da49b26c163a5. 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/EEUV32200035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c87f5b5524ff275c3cd40e3a673ad3d207c6e5fc27b5e8bdc9461691e1d77f. 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/UK6822200772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa7f67247a5eb3e422b5f7be71ab7ebc9cdeaa75074e3c7f05a1a27c1994271. 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/LVL151901809.
Melody in A Minor (From "The High Pass")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec9253677cd180cd6a24f55b321a8c53d3bf913ef4d42e1a56893256e2076e4. 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/EEUV32200034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183803720e0b57a7f78b6a9dc0938e208c2c4d518db1c46a1c55f11ea17a9a4a. 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/GBCFU0400565.
5 Lieder, Op. 49: No. 4, Wiegenlied. Zart bewegt (Arr. for Violin and Piano by Arthur Walter Kramer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e983bc50ca6df82bd7631723f0fd6029ddaad96a30578343418f1c1f04d32d1. 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/UK6822200770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98bbaf67b2c1cc6d62b7d3529277034aa0c809198a9109a7bf698708f396098. 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/GBCFU0400548.
Romance in E-Flat Major for Piano and Viola
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d705820d1a57352db4a19357f86823b15027598fa6b26a393ef2df513f0f03. 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/RUB361899991.
Beau soir, L. 6 (Arr. for Cello and Piano by Aleksandr Grechaninov)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f54e41f0f0ad66b7620b112eda83f2e8169c788b2e18fba5ed621ef55970b5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/EEUV32300013.
Siciliano (Second movement from Flute Sonata in E-Flat Major, BWV 1031)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc79ea9d881a8c1be35a02ebaa2c962c0940bc38f9f5f47ea6c4b1330ffa32e. 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/LVL151901806.
3 Old Viennese Dances, IFK 22: No. 2, Liebesleid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3cb81164c05939bef5592bdd7ac005cb4a659ee4c715bf38ea142f183a25cde. 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/GBCFU0400558.
Cello Sonata in G Minor, Op. 19: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4273918ba018b3f859e9668e3ec4e67baca1bd69fd07f52087da770a1ceef2. 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/EEUV32300015.
String Quartet No. 3 in C Major, Op.76, Hob. III:77 "Emperor": I. Allegro
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Five Preludes and Fugue: IV. Prelude in E Minor
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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Minuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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Rhapsody on a Theme of Paganini, Op. 43: Variation No. 18. Andante cantabile (Transcr. for Piano Solo by Michael R. Loveridge)
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The Man I Love (Arr. for Piano by Christina Grigoryants)
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What Are You Doing the Rest of Your Life (Arr. for Piano by Christina Grigoryants)
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood (Arr. for 2 Pianos)
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Piano Sonata No. 16 in C Major, K. 545 "Sonata semplice": I. Allegro
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3 Intermezzi, Op. 117: No. 1 in E-Flat Major
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Piano Sonata No. 30 in E Major, Op. 109: I. Vivace, ma non troppo. Sempre legato
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Sonata No. 10 in C Major, K. 330: I. Allegro moderato
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Piano Sonata No. 15 in D Major, Op. 28 "Pastoral": I. Allegro
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Piano Sonata No. 3 in C Major, Op. 2 No. 3: I. Allegro con brio
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Piano Sonata No. 20 in G Major, Op. 49 No. 2: I. Allegro ma non troppo
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Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesu, Joy of Man's Desiring (Arr. for Piano by Myra Hess)
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Symphony No. 2, Op. 27 (Arr. for Piano by Georgy Kirkor): III. Adagio [Excerpt]
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How Insensitive (Arr. for Piano by Christina Grigoryants)
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12 Romances, Op. 21: No. 7, How Fair this Spot (Transcr. for Piano by Vyacheslav Gryaznov)
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Lullaby of Birdland (Arr. for Piano by Christina Grigoryants)
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Rachmaninoff, Tchaikovsky, Glinka: Famous Classical Music
The Nutcracker Suite, Op. 71a (Arr. for Piano): II. Dance of the Sugar Plum Fairy: Andante ma non troppo
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Bourrée I (From Cello Suite No. 3 in C Major, BWV 1009)
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Menuet in G Major (From Notebook for Anna Magdalena Bach, BWV Anh. 114)
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Carol of the Bells (Transcr. for Orchestra by Sergey Bryukhno)
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Minuet II (From Violin Partita No. 3 in E Major, BWV 1006)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21610fdba203d8edaad783e84a38feb8f6cbd7ec29a85964513d5a0ac19040a4. 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/EEVR32300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4d6e3276f8a5de3773758e7a8738fee64a70f4e0f024683609965969cf434ea. 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/EEUV32200062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348bc3dd546ff51448f3908efd27f04395237a245fe8ea268b9446ad630e9978. 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/EEUV32300076.
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Études for Solo Piano, Book 2: Étude No. 15
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Petite Suite, L. 65: No. 1, En bateau (Transcr. for Violin and Piano by Gaston Choisnel)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc53c6e27889c6309e981556fd10d8ea209ea9840b614f9116020e3039dce79. 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/EEVR32300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x824243928c95cf96240abe1b90061b19976a2fddd554367c34f408a73f1438b5. 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/LVC411100007.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa450716c5dcd418736990f9ae8facf0073a0ab3e5b6dbe10998da49b26c163a5. 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/EEUV32200035.
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": III. Presto agitato
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The Nutcracker Suite, Op. 71a: II. Dance of the Sugar Plum Fairy (Arr. for Piano)
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Romance in E-Flat Major (Version for Piano)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9066095fe45e89aaba1eeebcd163c01575c74cd60f8eeb66658313f8a848fb6e. 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/UK6822200775.