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 0x8a7eb34a8bbb791b3fe260be69b870484ca4acd371b245af1f238e37d86c1b2f. 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/a2b380ec-95eb-445c-a5fb-5d8a8a39a072.json and https://artists.proofprofile.net/proofs/artist/a2b380ec-95eb-445c-a5fb-5d8a8a39a072.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Antonio Vivaldi: La Viola Da Gamba In Concerto
Concerto con violino e viola da gamba, Archi e Continuo (La Maggiore, RV 546): I. Allegro
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 0xf8f31c600656c8c0670683d590b6e27f5c686e03613fbfde27abc3ced67a9266. 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/CH4210300136 — a six-check JSON result.
Concerto con violino e viola da gamba, Archi e continuo (La Maggiore, RV 546): II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5b7e225900c3a2aa900927608b55a03a8569da1d0977e20bcc72ede24d1c21. 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/CH4210300137 — a six-check JSON result.
Concerto con violino e viola da gamba, Archi e continuo (La Maggiore, RV 546): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5131cf04e4ddcf06fdffa99ebbea96cf54ed4d75b6f108f56c729a0c35997a15. 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/CH4210300138 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e Continuo (Re Minore, RV 565): I. Allegro, Adagio e spiccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3880cba64b46cb3b7418233447c963e981ea00226d0826c3e9d0bd02b3070ec7. 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/CH4210300139 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e continuo (Re Minore, RV 565): II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc902cbaf82acb3081a1267d51e305344c0029e57897a5cda2812ef6aeeaf1f84. 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/CH4210300140 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e continuo (Re Minore, RV 565): III. Largo e spiccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f85c9a6e1c7d7523788c3f7c71a27a6e2e4cf2b2d87f291a69fcfd7edd2c9b7. 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/CH4210300141 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e continuo (Re Minore, RV 565): IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888fc0b5f11f757b44b9cc44e8c34170a71e30685ff1b332124121fb62e4cd33. 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/CH4210300142 — a six-check JSON result.
"Concerto Funebre" con hautbois sordini e salmoè, violino principale e viole da gamba (Si Bem. Maggiore, RV 579): I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eebbfc2d0dd983501e4493ebc538ae785a9c2bb27ba0b8e22e6d0721a049493. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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/CH4210300143 — a six-check JSON result.
"Concerto Funebre" con hautbois sordini e salmoè, violino principale e viole da gamba (Si Bem. Maggiore, RV 579): II. Allegro poco poco
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b875f88d41c0ee57c11b09705b87ce68295f1f92c26409945a01a150da8a260. 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/CH4210300144 — a six-check JSON result.
"Concerto Funebre" con hautbois sordini e salmoè, violino principale e viole da gamba (Si Bem. Maggiore, RV 579): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca53224586f85cc3e3214022b492d82ad4b4389eef4d40a327092b7f3888391. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/CH4210300145 — a six-check JSON result.
Concerto "Il proteo o sia il mondo al Rovescio" con violino e violoncello, Archi e continuo (Fa Maggiore, RV 544): I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349dde8328e7e1444169b09f7bf8fb27ffdd39d7fc8443befd413159b9bd640b. 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/CH4210300146 — a six-check JSON result.
Concerto "Il proteo o sia il mondo al Rovescio" con violino e violoncello, Archi e continuo (Fa Maggiore, RV 544): II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f43652a40a28ea97043b971d0c9d64f3a134585ef19d44db58f7e08d0afe71. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4210300147 — a six-check JSON result.
Concerto "Il proteo o sia il mondo al Rovescio" con violino e violoncello, Archi e continuo (Fa Maggiore, RV 544): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1626cc005d3cc0932a1169453318d695fd564d5268f067f60c4890d83c46253a. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4210300148 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e continuo (Sol Minore, RV 578): I. Adagio e spiccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e069f0e2bb970914616e6dcb09a5c88dff0ef8c873b8c963409840ccb4ff798. 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/CH4210300149 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e continuo (Sol Minore, RV 578): II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c7b224b795b760698efdfa4989bb2e7431336e0e99b295915034b8a58a27a89. 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/CH4210300150 — a six-check JSON result.
Concerto con 2 violini e viola da gamba, Archi e continuo (Sol Minore, RV 578): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2fd6b7cdd149e18efa71ae4a2ab9ff3db093be6835ec4968561a7176e2e61b0. 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/CH4210300151 — a six-check JSON result.
Concerto con 4 violini e violoncello, Archi e continuo (Si Minore, RV 580): I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0990cd1e43e4ef64022665bc174cb5f9e8dcb0586ad332c88823299ee4b26327. 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/CH4210300152 — a six-check JSON result.
Concerto con 4 violini e violoncello, Archi e continuo (Si Minore, RV 580): II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7514c1bf379537ef353b5ace31ddb009f6356f0226ee835e885fc69a02151d99. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4210300153 — a six-check JSON result.
Concerto con 4 violini e violoncello, Archi e continuo (Si Minore, RV 580): III. Larghetto. Adagio - Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838a982c9545b9871f69767340754410fcbd61eee95c394c73a65a03dff65315. 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/CH4210300154 — a six-check JSON result.
Concerto con 4 violini e violoncello, Archi e continuo (Si Minore, RV 580): IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x318aec832b5a547789c286bb8e7da77893a4a586d3446833ebfd5a7d53ddeb91. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/CH4210300155 — a six-check JSON result.
Concerto con molti istromenti (Do Maggiore, RV 555): I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e24ba41e58cf625d2d86514accb8d8bc145a3f8cb7fa3caae8f08c49c44b46e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4210300156 — a six-check JSON result.
Concerto con molti istromenti (Do Maggiore, RV 555): II. Largo e spicato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc682602f3408e7d9a6a36e070cf01a7f8ee779029b435c084e047c70c197df34. 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/CH4210300157 — a six-check JSON result.
Concerto con molti istromenti (Do Maggiore, RV 555): III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461fceb2cc4848a106a1d5889122099b63639c4184d78d71189c1c66a53c0590. 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/CH4210300158 — 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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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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Partita in D Minor, BWV 1004: V. Ciaccona
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Johann sebastian Bach: musicalisches Opfer BWV 1079, 14 canons BWV 1087
Fantaisie sur un Rondeau in C Minor, BWV 918
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Musicalisches Opfer, BWV 1079: No. 1, Dedication (Kerstin Schwarz, narrator) Musicalisches Opfer Sr. Königlichen Majestät in Preußen
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Musicalisches Opfer, BWV 1079: No. 3, Ricercar
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Musicalisches Opfer, BWV 1079: No. 4, Canon perpetuus super Thema Regium
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Musicalisches Opfer, BWV 1079: No. 5, Sonata sopr'il Soggetto Reale à Traversa, Largo 3/4
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Musicalisches Opfer, BWV 1079, BWV 1079: No. 6, Sonata sopr'il Soggetto Reale à Traversa, Allegro 2/4
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Musicalisches Opfer, BWV 1079: No. 7, Sonata sopr'il Soggetto Reale à Traversa, Andante
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Musicalisches Opfer, BWV 1079: No. 8, Sonata sopr'il Soggetto Reale à Traversa, Allegro 6/8
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Musicalisches Opfer, BWV 1079: No. 9, Sonata sopr'il Soggetto Reale à Traversa, Canon perpetuus
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Musicalisches Opfer, BWV 1079: No. 10, Thematis Regii Elaborationes Canonicae Canones diversi super Thema Regium - canon 1 a 2
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Musicalisches Opfer, BWV 1079: No. 11, Thematis Regii Elaborationes Canonicae Canones diversi super Thema Regium - 2. a 2 Violin: in Unisono.
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Musicalisches Opfer, BWV 1079: No. 12, Thematis Regii Elaborationes Canonicae Canones diversi super Thema Regium - 3 a 2 per Motum contrarium
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Musicalisches Opfer, BWV 1079: No. 13, Thematis Regii Elaborationes Canonicae Canones diversi super Thema Regium - 4 a 2. per Augmentationem, contrario motu Notulis crescentibus crescat Fortu
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Musicalisches Opfer, BWV 1079: No. 14, Thematis Regii Elaborationes Canonicae Canones diversi super Thema Regium - 5. a 2. Ascendenteque Modulatione ascendat Gloria Regis
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Musicalisches Opfer, BWV 1079: No. 15, Thematis Regii Elaborationes Canonicae Canones diversi super Thema Regium - Fuga canonica
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Musicalisches Opfer, BWV 1079: No. 17, Quaerendo invenietis - Canon à 2
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Musicalisches Opfer, BWV 1079: No. 18, Quaerendo invenietis - Canon á 4
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Goldberg-Variationen, BWV 988/1: No. 1, Aria
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Flute Sonata, BWV 1035: III. Siciliano - Für den Kämmerier Fredersdorf aufgesetzt
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