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 0x96b8cfc57bad85b2e628a40772777724a0e672a698079390dd6707749c47a33f. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/117c5bf1-4142-450f-8b10-ee81afd607ce.json and https://artists.proofprofile.net/proofs/artist/117c5bf1-4142-450f-8b10-ee81afd607ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Schoenberg: Violin Concerto - Verklärte Nacht
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 0xc68609ed9d603b54f78789279e93612c644ef7b6c2b1497e91b621e184e8e7ec. 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/FR7JM1880030.
5 Minuets, D.89: No. 3 (transcribed for octet)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb152bd79dee6e98d9185e153e4c8ef53904ae1a38d3390c3011d18d4dc016e6e. 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/FR7JM1747070.
Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9653f332b92f685763a5e57541d29101e66af3677f8460845b17a3b306e4a8c4. 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/DEN960601733.
Symphony No. 35 in D Major, K. 385 "Haffner": IV. Presto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1781561f873d878a7bee2d7a2c83722ffe38c9871ecb47d589fcc25b2f17c19. 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/DEN960601734.
Symphony No. 29 in A Major, K. 201: I. Allegro moderato - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39eea705b81ff990336dcba7fe055390c133df38663b851c1099740b4c9b0779. 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/DEN960601721.
Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaddc260547666eed3364a3b3a23743754342c61eadccb6ecc0302687ab43ffe9. 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/DEN960601724.
Symphony No. 33 in B-Flat Major, K. 319: I. Allegro assai - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37edd336eb0de479cb8540d24341d9abd8315059e4bc226b29a7327b535497c8. 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/DEN960500851.
Symphony No. 33 in B-Flat Major, K. 319: II. Andante moderato - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859712ee27789c565536deafb7348a01daf0bf4a8336cab607fca2e122ba7e85. 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/DEN960500852.
Symphony No. 33 in B-Flat Major, K. 319: III. Menuetto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cedd2a8dcaa877b60da886e32b64148394b980e8aecdd2f5593adc06ba0801e. 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/DEN960500853.
Symphony No. 38 in D Major, K. 504 "Prague": I. Adagio - Allegro - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x826aafbdd0b113dc13bde69088d9a34909e6f3768fec39364cb6416283eaeb67. 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/DEN960601711.
Piano Concerto No. 8 in C Major, K. 246 "Lützow": I. Allegro aperto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d861046ce3fc0452fe316003de59d8842de4d13fb6c29b9fa312f265459a1ed. 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/DEF058204221.
Piano Concerto No. 8 in C Major, K. 246 "Lützow": III. Rondeau. Tempo di menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6045c5d23f8611c5c7ac15ab8298cc8b092f0a5b5e4a17ce6fe650f06a30feb. 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/DEF058204223.
Brandenburg Concerto No. 1 in F Major, BWV 1046: I. (Allegro) - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7753a1c051e0c1a7bf70a36c8a6af891a64f63490b5bc475f7e5e6c513595b4. 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/DEN960702011.
Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae27f01638f1cd89e5da97419e4d61ed7b817b8b54016fa59dfd28d66dfe9796. 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/DEN960702012.
Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dc6463702e750f63e1bd1030a8efd9354986dcb5e8015c713d250fd857af9a8. 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/DEN960702013.
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33cbf8269fa84659e5f7c84554458543a1e4a43ac4894a7cb0cb59ba6207595c. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEN960702043.
Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuett - Trio - Polonaise - Menuett - Trio - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b405c4c6dcaa776df4073f4e244b5cd443f3afa4a718f40b5567c2c4c11f6b. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960702014.
Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (Allegro) - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb27a6ed7e0b7748b81d21b967425f6f850264d6befaa6c1bfbf0de048c4e6b. 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/DEN960702021.
Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a29098edecfe020df1aa20bcbfb01f4c1d462fe71e68912cd1a5cd8cb9309e. 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/DEN960702031.
Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf34dd1bd4df0114c68e67369e210fb77252bc527641d035914c5709eaf3357. 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/DEN960702062.
Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe8411137222afce48c4bed1b9f0f34404e35c64f8c34c07ddc7f8ceb3cbabb. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEN960702063.
Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb4909cb0bd7e536993a6dae3dbba8c026c03ccbb0009a43abe4bc09d6b7680. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEN960702033.
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. (Allegro) - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aaa74bf5aebd37c0742060716ea3b91f1a41be1a5a796971ad471dcf3298978. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T21:01:10Z), 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/DEN960702041.
Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro - Live from Teatro Romolo Valli, Reggio Emilia, 2007
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x962754d7cfef2edf56d53559c2b2c329c960a12ad5fc985e1b3bd397f8e01575. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T09:56:37Z), 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/DEN960702023.
Sonata IV for cembalo obbligato and violin, BWV 1017: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e3e5418b17ff9e1f720fd8b7a48c3ab40da7f333645eef00e3442f3e18a22e. 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/FR7JM1624010.
Mozart: Piano Concerto No. 21 in C, K.467: 2. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9788f6b93f23cccbdf947cd7086c0fe7402c33e119a8c233430b65e8549fa42d. 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/NLA507200342.
Mozart: Requiem, K. 626: III. Sequentia: f. Lacrimosa (Compl. Süssmayr, Orch. Beyer) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008b937ae6648778a6ad37d877240268431413d3d6584b5a802a5311e50fea75. 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/DEF059930108.
Mozart: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9908aa07cb678ef83eb9d19d94f9280b0d3e359c9c2754ff1be39e5690a3b8f. 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/DEF058702132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87dadc987d28fd05be9164b5c929bf442fc20d53c001dd993c37022c132156fd. 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/GBF079612470.
Mozart: Eine kleine Nachtmusik, K. 525: II. Romance. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe3dbc3d4d9ce2e65ede5487fb346e97b7705a2106734c556bac771c8bd98820. 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/NLA508403602.
Mozart: Piano Sonata No. 12 in F Major, K. 332: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b1871be9052b9a8c04985ffa403ec64337ec9f66c969708757b328ee1807aa. 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/DEF059003852.
Mozart: Piano Trio in C Major, K. 548: II. Andante cantabile - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c53bf8cb3e6717361db4ebf2eb43cbc11a66409facca7b2f4b30d981191e7d4. 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/DEN960500452.
Mozart: Clarinet Concerto in A Major, K. 622: 2. Adagio
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Mozart: Serenade in B flat, K.361 "Gran partita": 3. Adagio
Academy of St. Martin in the Fields Wind Ensemble
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfe01c34e09a9e8ce39c4c286a534e865e37e62e25192579cb764fddef78a7cc. 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/NLA508319304.
Violin Concerto No. 1 in B flat, K.207: 1. Allegro moderato
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Sinfonia concertante for Violin and Viola in E-Flat Major, K. 364: II. Andante
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Divertimento in D, K.334 - Arranged by David Overton: 3. Menuetto - Trio - Menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbe9e979e599b20e59739c445f47534f84021e0ac5a6f27a43e832cd458e2538. 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/DEN960600750.
Clarinet Concerto in A, K.622: 2. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81e058e64addeb59962f2c599ffecf95795218e9130004fbc66097d59649b411. 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/NLA508602302.
Piano Sonata No. 12 in F Major, K. 332: II. Adagio
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Serenade In G, K.525 "Eine kleine Nachtmusik": 2. Romance (Andante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc787536ded0db6c4102ff5b8aecd122d9887e2311a338a1ba42836ca05616690. 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/DEN960500642.
Piano Concerto No. 21 in C Major, K. 467: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e499a53edbe6ba743c527187ce999a479ee21cfb5ce3065eac3e5cc6e5f459. 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/DEF059305412.
Violin Concerto No. 3 in G Major, K. 216: II. Adagio (Cadenza: Gulli)
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Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
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Divertimento No. 5 in D Major, K. 205: III. Adagio
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio non troppo
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Piano Concerto No. 15 in B flat major, K.450: 2. (Andante)
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Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": II. Andante
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Violin Concerto No. 4 in D, K.218: 2. Andante cantabile
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Piano Concerto No. 27 in B flat, K.595: 2. Larghetto
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Symphony No. 34 in C, K.338: 2. Andante di molto
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Serenade in B flat, K.361 "Gran partita": 3. Adagio
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Piano Sonata No. 13 in B-Flat Major, K. 333: II. Andante cantabile
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Mozart: The Violin Concertos; Sinfonia Concertante
Violin Concerto No. 1 in B-Flat Major, K. 207: I. Allegro moderato (Cadenza: Gulli)
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Violin Concerto No. 4 in D Major, K. 218: I. Allegro (Cadenza: Gulli)
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Violin Concerto No. 1 in B-Flat Major, K. 207: III. Presto (Cadenza: Gulli)
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Violin Concerto No. 5 in A Major, K. 219 "Turkish": I. Allegro aperto (Cadenza: Gulli)
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Violin Concerto No. 3 in G Major, K. 216: III. Rondeau. Allegro (Cadenza: Gulli)
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Brahms: Fünf Lieder, Op. 49: 4. Wiegenlied
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