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 0x7593a7efebc11c87f70b77b73774e1e409fa0ac4928e24107fd6d0ed1daa98b1. 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/77721b09-4a7f-4fb4-ad3c-360c772845ec.json and https://artists.proofprofile.net/proofs/artist/77721b09-4a7f-4fb4-ad3c-360c772845ec.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5df404a87be56b10cade5b14b95a57f1c82f7da9696f015cb855ef33b57270. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331705600 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19953a776dbc7962e7218333d45d74084c8fed7af798da6d9a0f3f5ff17a669b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331705609 — a six-check JSON result.
Concerto in D Minor for Oboe, Strings and Continuo: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d00b729b45a4817f90373f1e5095419e52f18f99cdea3d20f8ed7e59e07e45f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404912 — a six-check JSON result.
Concerto-Pasticcio in C Major: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58843b095ef38e3c903149316a66d6e56006bd30315f67d14555ef544be74d27. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332103394 — a six-check JSON result.
Oboe Concerto in G Minor, BWV 1056: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1b6d2fe30f4fc560ee5b6ff563b34f28bd711609ac3f13ff1171edaab2ab5a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404295 — a six-check JSON result.
Oboe Concerto in G Major, TWV 51:2: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a35225ca90482f8662083806ae419efaed417ccd5b0cd687158aaec7ce4a2dc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603485 — a six-check JSON result.
Concerto a cinque in D Minor for Solo Oboe and Strings, Op. 9 No. 2: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de5456ebc1bac4e2cb03c4284cc8ab3b49b9659d140dc0c4f10ac548a285c35. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580565173 — a six-check JSON result.
Oboe Concerto in C Major, RV 449: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6555dc0a2db69a779aeeeed02f1ba6017c925f1d62c40032da85e23e814bf62. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331401920 — a six-check JSON result.
Oboe Concerto in G Minor, HWV 287: III. Sarabande. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f80c617766a6876265f7707e94554f2ac8e9354882273c73bd8e98957a793b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332103398 — a six-check JSON result.
Concerto in B-Flat, Wq. 164: II. Largo E Mesto, Con Sordini
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08d8a765ed4618d2f3b7f1a939f655e2f8d5f495a499e2baa3f7cb050e098d9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331208351 — a six-check JSON result.
Concerto for Oboe d'amore in A Major, TWV 51:2: I. Siciliano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4e821b30d54d4612fbb2a7cc08e2fbe47e084acca90b1debdf34a38345d7226. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603493 — a six-check JSON result.
Oboe Concerto in F Major, BWV 1053: II. Siciliano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd4300cdca8c1f327a5a476317fdc1b589a7b1c613e565d869cc1d3e40dd06c. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404289 — a six-check JSON result.
Concerto à 5 in C Major for Oboe and Strings, Op. 9 No. 5: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd50a79704cb6c5edfd9e8afa2be5218055eff4edf03f218f65f84ea1262f7f5b. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580565188 — a six-check JSON result.
Sonata à Oboe, Violoncello e Basso in G Minor: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56d974a249af43474987829fdf798dccbb58122279693a985d1751a720e9f5a5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330902163 — a six-check JSON result.
Oboe Concerto in F Major, RV 456 "Harmonia Mundi": I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89dc08d7fc0e35ad562736948f514d9a84b53e9006eb4da45ef69c112c874573. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331401928 — a six-check JSON result.
Sonata in G Minor for Two Oboes, Bassoon and Basso Continuo: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c1d36c9a6867ecc93204495445cd78712ca942ff86702b090bf20fcd5ca949. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331305780 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x994bc1069770ff884b9856b56fb7a45c5d882d759ab763cd265b6a038b18f1e7. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332103401 — a six-check JSON result.
Concerto for Oboe d'amore in A Major, TWV 51:2: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10c631436ebf724daf052dbd39908869c0e5944a946970c66b4f010b482e84c6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603495 — a six-check JSON result.
Concerto for Oboe d'amore in A Major, BWV 1055: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f589a481007c23b69ad38c1d47509f5bc1d10b153c60287a95d0226c9df7a30. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331404292 — a six-check JSON result.
Sonata da camera in B-Flat Major: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54de56567c756c5d5fe027155d42def6413f1ff23121cfbbe091dba6ce87ee6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332000257 — a six-check JSON result.
Oboe Concerto in C Major, RV 450: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa409d99d7a89e473c3beaa80b97f444afd5159d0e68175151fdb1660a7b810f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331401944 — a six-check JSON result.
Oboe Concerto in E-Flat Major, TWV 51:S1: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73f50ab084d13d16d57f70b16ed99ae927b47f78188381c1c9585ca7ede84db8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603498 — a six-check JSON result.
Concerto-Pasticcio in D Major: I. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c7eab18f5bf639345126d7268c99e0cacf503141e98333e53db1211a91e7fc. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY332103410 — a six-check JSON result.
Sonata à Oboe Solo e Basso Continuo in C Minor: II. Non tanto adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa84232a0eeda59ad930db545e173e523e95aff3175321d885bae0bcaffc30ea5. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330902179 — a six-check JSON result.
Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0abe57a179164bf06a554ae6f7902c8a0da621765f31a0c2e650569cc0a7d2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603722 — a six-check JSON result.
Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1ad768f8251877b55f599b4fbac367e69d2128c8edba8e44a1859ce1e265ea. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603723 — a six-check JSON result.
Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17f226ba6b3cb1b56384dd9294929500346f94c7303ff8e2efa548e05edb211b. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603724 — a six-check JSON result.
Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuet - Trio I - Polonaise - Trio II
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97131d3e02a91159c4cbb95f8a79e64e210573d4d75f81fe468cc59de2a9b12. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603725 — a six-check JSON result.
Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e422b7c0f8b944154db70642062f056d635909772c81b06e077d47b1eec0ec6. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603726 — a six-check JSON result.
Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd233aec35a4852835094319ec83ccfd7f3442621a7992d1333b0a08bdd11375d. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603727 — a six-check JSON result.
Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c8ca9a201108de5f4e7914d4221953116bd79a1010f6cf804f2bab723473ad. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603728 — a six-check JSON result.
Brandenburg Concerto No. 3 in G Major, BWV 1048: I. —
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76dc137d12e1a5c171c93ea80afe6ef92eb321a2b59998d7a7b0fbffa2d14d31. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603729 — a six-check JSON result.
Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138d1474d484d6030fb36e0ef32e92579b7a78314d2151a7710752587a2ebb28. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603731 — a six-check JSON result.
Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2836fa3e180cfba2c86875cfeaef1d19e20ea8dcb026c67327bb89dde325127. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603732 — a six-check JSON result.
Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373b559438a4b5f57d2f6ff48fe5912ca3a5e669164c46787efa7a5b01c8b054. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603733 — a six-check JSON result.
Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a2f1d8e5e3b6f9e858390df5a6d3e00decad7f76b0222c240735f8366037665. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603734 — a six-check JSON result.
Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50ae33911bcf84843a960bf37a59c001828b4fd9fab0cccc0787009e6e74fae9. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603735 — a six-check JSON result.
Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affettuoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf38ea49fdc8489f3b9808ba3783463643682605627f91d54235fe038f01638aa. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603736 — a six-check JSON result.
Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c6c7bee294ec58e198db963fdbbc034a29fe29747b1121392be26e106db7022. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603737 — a six-check JSON result.
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. —
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4556eff0976d1d57cc916e33f2bf7f34195994e1146d7d8dc704ef9e25c8996. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331603738 — a six-check JSON result.
Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro
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Violin Concerto in E Major, BWV 1042: I. Allegro
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Violin Concerto in E Major, BWV 1042: II. Adagio
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Violin Concerto in E Major, BWV 1042: III. Allegro assai
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Violin Concerto in A Minor, BWV 1041: I. —
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Violin Concerto in A Minor, BWV 1041: II. Andante
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Violin Concerto in A Minor, BWV 1041: III. Allegro assai
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Violin Concerto in D Minor, BWV 1052: I. —
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Violin Concerto in D Minor, BWV 1052: II. Adagio
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Violin Concerto in D Minor, BWV 1052: III. Allegro
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Violin Concerto in G Minor, BWV 1056: I. —
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Violin Concerto in G Minor, BWV 1056: II. Largo
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Violin Concerto in G Minor, BWV 1056: III. Presto
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Concerto for Two Violins and Orchestra in E Major, BWV 1043: I. Vivace
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Concerto for Two Violins and Orchestra in E Major, BWV 1043: II. Largo ma non tanto
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Concerto for Two Violins and Orchestra in E Major, BWV 1043: III. Allegro
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: I. Allegro
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: II. Adagio
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Harpsichord Concerto No. 1 in D Minor, BWV 1052: III. Allegro
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Harpsichord Concerto No. 2 in E Major, BWV 1053: I. —
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Harpsichord Concerto No. 2 in E Major, BWV 1053: II. Siciliano
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Harpsichord Concerto No. 2 in E Major, BWV 1053: III. Allegro
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Harpsichord Concerto No. 3 in D Major, BWV 1054: I. —
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Harpsichord Concerto No. 3 in D Major, BWV 1054: II. Adagio e Piano sempre
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Harpsichord Concerto No. 3 in D Major, BWV 1054: III. Allegro
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Harpsichord Concerto No. 4 in A Major, BWV 1055: I. Allegro
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Harpsichord Concerto No. 4 in A Major, BWV 1055: II. Larghetto
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Harpsichord Concerto No. 4 in A Major, BWV 1055: III. Allegro ma non tanto
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: I. —
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: III. Presto
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Harpsichord Concerto No. 6. In F Major, BWV 1057: I. —
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Concerto for Three Violins in D Major, BWV 1064R: I. Allegro
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Concerto for Three Violins in D Major, BWV 1064R: II. Adagio
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Tomaso Albinoni: Sonate a Tre Op. 1 Nos. 4, 5, 6 & 7 - Antonio Vivaldi: Violin Sonatas RV 12, RV 26 & RV 17a
Violin Concerto in F Major, RV 287: I. Allegro
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Violin Concerto in F Major, RV 287: III. Allegro
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Violin Concerto in D Minor, RV 240: I. Allegro
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Violin Concerto in D Minor, RV 240: III. Allegro
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Concerto for Strings in D Major, RV 123: III. Allegro
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Concerto in D Minor for Organ, Oboes, Strings and Continuo, BWV 1052, 146 & 188: I. Allegro
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Concerto in D Minor for Organ, Oboes, Strings and Continuo, BWV 1052, 146 & 188: II. Adagio
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Concerto in G for Viola da braccio, Strings and Continuo, BWV1055: I. Allegro
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Concerto in D for three Violins, two Oboes, Bassoon, Strings and Continuo, BWV1064: I. Allegro
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Concerto in D for three Violins, two Oboes, Bassoon, Strings and Continuo, BWV1064: II. Adagio
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Concerto in D for three Violins, two Oboes, Bassoon, Strings and Continuo, BWV1064: III. Allegro
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Torelli: Sinfonia for 3 & Concerti for 4, Op. 5
Violin Sonata in D Minor, Op. 1 No. 2, I. Largo e cantabile
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Violin Sonata in D Minor, Op. 1 No. 2, II. Allegro
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Violin Sonata in G Minor, Op. 1 No. 5, II. Chaconne. Allegro
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Violin Sonata in A Major, Op. 3 No. 12, III. Aria adagio
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Violin Sonata in A Minor, Op. 1 No. 4, I. Largo
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Violin Sonata in B Minor, Op. 3 No. 3, III. Largo
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Paisiello: 6 Divertissements - Cimarosa: 3 Quartetti
Partita in D Minor, BWV 1004: V. Ciaccona
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Vivaldi: Concerti per violino archi e basso continuo
Violin Concerto in C Major, RV 184: I. Allegro
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Violin Concerto in C Major, RV 184: II. Andante
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Violin Concerto in C Major, RV 184: III. Allegro
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Violin Concerto in E Minor, RV 276: II. Adagio
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Violin Concerto in E Minor, RV 276: III. Allegro
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Italian Baroque: The Instrumental Edition Vol. 4
Concerto grosso No. 1 in F Major, Op. 3: I. Allegro assai - Adagio
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Concerto grosso No. 1 in F Major, Op. 3: II. Presto
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Concerto grosso No. 1 in F Major, Op. 3: III. Allegro
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Concerto grosso No. 2 in A Minor, Op. 3: I. Presto - Adagio
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Concerto grosso No. 2 in A Minor, Op. 3: II. Allegro
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Concerto grosso No. 2 in A Minor, Op. 3: III. Allegro
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Concerto grosso No. 3 in E Minor, Op. 3: I. Allegro
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Concerto grosso No. 3 in E Minor, Op. 3: II. Largo
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Concerto grosso No. 3 in E Minor, Op. 3: III. Presto
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Concerto grosso No. 3 in E Minor, Op. 3: IV. Presto
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Concerto grosso No. 4 in B-Flat Major, Op. 3: I. Allegro
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Concerto grosso No. 4 in B-Flat Major, Op. 3: II. Adagio
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Concerto grosso No. 4 in B-Flat Major, Op. 3: III. Presto
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Concerto grosso No. 4 in B-Flat Major, Op. 3: IV. Allegro
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Concerto grosso No. 5 in D Minor, Op. 3: I. Adagio
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Concerto grosso No. 5 in D Minor, Op. 3: II. Allegro
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Concerto grosso No. 5 in D Minor, Op. 3: III. Andante e Piano sempre - Adagio
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Concerto grosso No. 5 in D Minor, Op. 3: IV. Allegro
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Concerto grosso No. 6 in D Major, Op. 3: I. Allegro
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Concerto grosso No. 6 in D Major, Op. 3: II. Adagio - Presto - Adagio
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Concerto grosso No. 6 in D Major, Op. 3: III. Allegro
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Concerto grosso No. 7 in G Major, Op. 3: I. Allegro
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Concerto grosso No. 7 in G Major, Op. 3: II. Adagio
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Concerto grosso No. 7 in G Major, Op. 3: III. Presto
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Concerto grosso No. 8 in F Major, Op. 3: I. Grave - Allegro
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Concerto grosso No. 8 in F Major, Op. 3: II. Adagio
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Concerto grosso No. 8 in F Major, Op. 3: III. Presto - Adagio
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Concerto grosso No. 8 in F Major, Op. 3: IV. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0630493bcdaff66a28b9f697ee5eb099b7388b6a2124c10df7bc3c3ab36378. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821428 — a six-check JSON result.
Concerto grosso No. 9 in D Major, Op. 3: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fcad1ea7993666bfab2a7c331f803191e95b88e783c94bc73f40c9d7aaaa323. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821429 — a six-check JSON result.
Concerto grosso No. 9 in D Major, Op. 3: II. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8160ade9165258cb94870a885d976cedf4ee1944a45b011c8f572c1054149197. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821430 — a six-check JSON result.
Concerto grosso No. 9 in D Major, Op. 3: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdd97723bc559941836287f81769c8f63d65b4a784a3bef37938a2a334af947e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821431 — a six-check JSON result.
Concerto grosso No. 9 in D Major, Op. 3: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ad0416a1f32cb9d636052aa36d6709bf07e34f15e08b5af12fe2568ccb8fc4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821432 — a six-check JSON result.
Concerto grosso No. 10 in G Minor, Op. 3: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe833e0c65059442e2a25c6b6dddb12ba21331d256a52d8566f50d10485088601. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821433 — a six-check JSON result.
Concerto grosso No. 10 in G Minor, Op. 3: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5425c53b8933bc2aace837f35cdb9bb911b079d1226317e8042ea4c27e35e204. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821434 — a six-check JSON result.
Concerto grosso No. 10 in G Minor, Op. 3: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d47d45448e06bc7c2a9f3e72a4d2ca9700f36c7db4ec440f350796e823f18c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821435 — a six-check JSON result.
Concerto grosso No. 10 in G Minor, Op. 3: IV. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba84ac3c8d456d9077c272f9faca5fd380cbb367b64dad73da1e9882f49b3d93. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821436 — a six-check JSON result.
Concerto grosso No. 11 in C Minor, Op. 3: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0217f3f77474a4357d95ef4b63e33655a890b0b8aaf1134a58b3cb7c70cef21a. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821437 — a six-check JSON result.
Concerto grosso No. 11 in C Minor, Op. 3: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4cc9e7971b6e6045e439d299cb86e9609e6c7ca7de07ada01ba74e7efe3aa55. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821438 — a six-check JSON result.
Concerto grosso No. 11 in C Minor, Op. 3: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04dd8b60fa1b79bb22b4feed7497a1066d5d1edb6a556fa6d13d1c47e799c26a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821439 — a six-check JSON result.
Concerto grosso No. 12 in C Major, Op. 3: I. Pastorale. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a9329a83ee27e2d858de4a494eebe37e393f905224edb73282de606c85e3cf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821440 — a six-check JSON result.
Concerto grosso No. 12 in C Major, Op. 3: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd930621a115ad9536ef8ed7af4ea10166ceb9909b16bac3af26db3248375a7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821441 — a six-check JSON result.
Concerto grosso No. 12 in C Major, Op. 3: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2f38b633e52352b1967fb4e2d2dad461a003b560d8e4288ee4d0a98f1219e2f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199821442 — a six-check JSON result.