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 0x42ecc893da29904e184bd0b8dceeed5b3791d66793f7d47af655a2c3be7ae8fb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/753564f3-f031-4dcd-b0f7-6b213950dab4.json and https://artists.proofprofile.net/proofs/artist/753564f3-f031-4dcd-b0f7-6b213950dab4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pachelbel : Musicalische Ergotzung pour 2 violons & basse continue
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 0x37acdbbde75145486b6ecd4dddf796f9a9e5ea9a8e1a8fec95baee328d18da0e. 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/FRZ299432010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4badee50970743792e3b33a90856421e565b1b0ef81ef7ae12ef194e1d9142d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432020.
Partie 5 en si bémol majeur: Gavotte - Variatio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ebbedd8af650389ae6e05444a37842d9ddab16feb69a2606f7468372eef4665. 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/FRZ299432040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8582b39d9d84fdb54948bd2e276f5526f2be6b639a547b7bfaf1baf137ac67e7. 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/FRZ299432050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd71a2ed5555768d22b263adbc6bbb3e69e330162b516ee02f323cdc4594300f3. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769d2e59391fdaa3c6bd649d39d1a1310ce7b812580210ae63209ca9efa8cf0d. 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/FRZ299432120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d2fbfd4918e0c740eadce938c95143f97876f7c4ddb8372778b778bd3c9ce1f. 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/FRZ299432170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bbe850a824b35f0bd5bf0f7c4716a16db79a58a38c6dcebfc0531c9d7a26846. 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/FRZ299432180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a868a889cad89327bfee1e133496d6f8a74ea8d899bb62e2e443c449e7dee8. 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/FRZ299432190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9464a5f0b856ddb2adb49f100ec0f015b06022bbbeefa49047990a9d24f82e. 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/FRZ299432200.
Partie 1 en fa majeur: Ballet - variatio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba40d7b63f96b79a120afd5031b316a1f456157422d032e39482673b0d2a206. 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/FRZ299432210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ccab8a10f603135f3d82f02ad61127181202cab39cd5a0fb15aece399e23b0. 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/FRZ299432240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf058b85ad036eb7cb5d22381e6d0794266368630253eb37602695c1092639da9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FRZ299432290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaec597fc3c6473e95cb648f1e5fba92275869f95e0297cb38bd111f130d3fd8. 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/FRZ299432300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf64e2b86bdef6b5c91cb3a27343579c5613a7469ab76e0f345f5fa16314a5389. 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/FRZ299432310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0c8d16c765113c67cc9687c61a2a6f6f1f1f4bb66ed5bf754c165d30fac6b0. 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/FRZ299432330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a9c602e414cbe2920072b348a828167426fcf8db7e03c99700cfb55f8766c76. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FRZ299432030.
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
Partie 3 en mi bémol majeur: Sonata allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ff1b0af25cebada0b169b023f086723578ed6c325e577b357926a2d627effd. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5562bb3fc0e50c311d2729f6fc8c90ec49216900816acc71dcf01a70b661ad0. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/FRZ299432080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0fa939b684f42ff339bf60834854370275277d4f2f727a644ac4cbb2ba4ddf. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x694690f8558c626c1e2a397573bb630c9df42e37c75534c6aa1d8fb8e5324446. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55180c436df3c2ea5a0c1c9fd465bb6b75f761c5e094ff867c9de4234cb9aecd. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/FRZ299432110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf82bc6debfad96934e4596c6b45a3728f939fced30c2eee554da2940c66ba65b. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb2961a3ca39b5d5a969fb08e42f592cc76ef14f930277c9ec3797cc9acff8b. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/FRZ299432140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb164cd5330224cd011b8cebef7261a6e89d352e08af33d632753ba6fabb2662e. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99e5709f454957b2d22adbb1c363c5bd85498fe3b500bb29257a860cf18220cd. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FRZ299432160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb6b25318dea8cdcf7e4fe26b7315f22e791c468300e0d0cc1c2f4f1a82b47a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58f920c738120767b787f2a802dee047d69ca6edb6ef17176b048a96af6bc3fa. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432230.
Partie 2 en ut mineur: Gavotte - variatio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb0ae90e9a988d02c119f3d38f39f6f46e8e8469ae033588603b76c444796428. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/FRZ299432250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c793783d23bbcf87737feb331c5916aa6bfca56ee7710c999177ce5f5344117. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e28da6c004fe330e922bb60292fc6b7cdd9bd643cd4a8972cb3fb68ba04da52. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/FRZ299432280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa449d6350bae92834f818024f87a95ff57ed28e89934bbfd609e83f751df07cc. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299432320.
Vivaldi: Bizzarie Venetiane. Concerti per vari strumenti
Concerto for Violin, Organ, Strings and Continuo in C Major, "Il rosignuolo", RV 335a: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a6ecf33f9d4684c20d8c7af880556b6cc0d67bdad821711044ba172bff4182. 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/ES7141500344.
Concerto for Strings and Continuo in G Major, "Alla rustica", RV 151: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e99eadbad871b20514d8fc82d2b3d2119f6ff1ef634653af6c08359137e44bc. 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/ES7141500350.
Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc422d68025b348cb5eb2ca6a7e09188be6b3cd4622b15730ce2769c757d8a692. 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/ES7141500325.
Concerto for 2 Traversos, Strings and Continuo in C Major, RV 533: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8238696b7903345b32f82223616e138fce2ea7caae946866be7ace30f5bef13b. 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/ES7141500326.
Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: II. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521cbcc3450d4b34368f792fd92f1a885e2383b8bc02c1ef074fb978a445a7e6. 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/ES7141500328.
Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0af2021a4216b8de2e0cc567ba7a767885c3ec3199acb74736de23b83bb9712. 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/ES7141500329.
Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d8876e18f9b29ad16e7158fd154bf22ba963f0adf825ffc045348dd780a25cd. 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/ES7141500330.
Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd7058beeda26efcb9ac3dfcc4b64f42075d477c16404875ce46060c7fabc8f4. 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/ES7141500331.
Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x071f07357f55e9d1a51ed2b11bd05b8d9f40f0b30c2939db5a64e3854fe87a2f. 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/ES7141500333.
Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56e882785c54266c586d799668b094f40d708d2c0b50c668025e0f3bd5d6a26. 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/ES7141500334.
Concerto for Recorder, Strings and Continuo in C Minor, RV 441: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69776fdf8fe7f457f6eb3440b1356a0e4d51d2522c8da6d2cde3430e51faceb5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500337.
Concerto for Violin, Strings and Continuo in G Minor, RV 155: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52fd016291c5ceeb014a52334ca2002bb217e46158746b7a18a9ae8be7d4e41b. 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/ES7141500365.
Concerto for Violoncello, Strings and Continuo in G Minor, RV 417: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831697de4cc2c2952e4c4d95c46a929c63f623d7459747b159cb0792d5710602. 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/ES7141500339.
Concerto for Traverso, Strings and Continuo in D Major, RV 783: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b660f31af52a6370122337837ac3f36b28771e6f601bfb975db79372b69bc47. 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/ES7141500368.
Concerto for Traverso, Organ, Strings and Continuo in F Major, RV 767: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56513fbdea07826d78fd93f4310303ee4e57153165d0f939ee786610423df7f3. 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/ES7141500346.
Concerto for Traverso, Strings and Continuo in D Major, RV 783: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf178bf618b8cb989e714b72cd6f8ca710a8f5aa761093a9f2f9ff703ac5d473c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500370.
Concerto for Violin, Organ, Strings and Continuo in F Major, RV 542: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108adad552b53c5cc5432b12a911c2c03af3392a6ba556c808e35349b0458096. 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/ES7141500371.
Concerto for Violin, Organ, Strings and Continuo in C Major, "Il rosignuolo", RV 335a: I. Allegro
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Concerto for Violin, Organ, Strings and Continuo in C Major, "Il rosignuolo", RV 335a: II. Largo
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Concerto for Violin, Organ, Strings and Continuo in D Minor, RV 541: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a17f34b2cecec1b97724c8706ea061514ec34ecd4a3404689c92a75e7a7b144. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/ES7141500327.
Concerto for Violin, Organ, Strings and Continuo in C Minor, RV 766: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43fa0fd4ea2bbe2f8be1eed8f2508c3d3c4f7d5834c37d873e9ed8a3d0423e3. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/ES7141500354.
Concerto for Violin, Organ, Strings and Continuo in C Minor, RV 766: III. Allegro
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Sonata for Violin, Traverso and Organ in C Major, RV 779: I. Andante
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Sonata for Violin, Traverso and Organ in C Major, RV 779: II. Allegro
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Concerto for Traverso, 2 Violins, Violoncello and Continuo in G Minor, RV 107: III. Allegro
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Sonata for Violin, Traverso and Organ in C Major, RV 779: III. Largo e cantabile
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Concerto for Traverso, Violin, Violoncello and Continuo in D Major, RV 92: I. Allegro
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Concerto for Violin, Violoncello, Organ, Strings and Continuo in C Major, RV 554a: III. Allegro
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Concerto for Traverso, Violin, Violoncello and Continuo in D Major, RV 92: II. Aria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ed22de97fe76fd5d5843d1441769e161d0bbd0c10a80cfc75a9e21412d3aa5. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/ES7141500362.
Concerto for Traverso, Violin, Violoncello and Continuo in D Major, RV 92: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2de6717a570d5d0038f19e3ed1d2db3f5630acd00ad669c18ebbcb70954b29eb. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500363.
Concerto for Violin, Strings and Continuo in G Minor, RV 155: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b99b664a3241e9a8273384bffc4e49134e2985ac19c769a1da20febfc706ffd. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/ES7141500366.
Concerto for Violin, Strings and Continuo in G Minor, RV 155: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e16f7a2903694b35f119aa89ba8c4372833b976aefc3c10a1d85b00697cd91. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500367.
Concerto for Violin, Organ, Strings and Continuo in F Major, RV 542: II. Alla franchese
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c606adb45feaf6bdbdbf2454d96ec208264fb1ddba29f6367054071eaf5a314. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500372.
Concerto for Violin, Organ, Strings and Continuo in F Major, RV 542: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a8aedf715bae7ace8d08b2925d412d44c7e716384f1325ab06604eb8a07f90. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500373.
Concerto for Traverso and Violin in E Minor, TWV 52:E3: III. Presto
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Concerto for Recorder in F Major, TWV 51:F1: I. Affetuoso (Transcribed in D Major for Traverso)
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Concerto for Recorder in F Major, TWV 51:F1: II. Allegro (Transcribed in D Major for Traverso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe527b6edd48617bf3ab4f2d960604294958d2442472f0a435173f7505bbb45d7. 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/ES7141500309.
Concerto for Recorder in F Major, TWV 51:F1: IV. Menuet I & II (Transcribed in D Major for Traverso)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c910eea7ea1fedcaaa7bc02c56c10436f241c3c2eb8254330f912b7a4ea9a90. 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/ES7141500311.
Suite for Traverso in A Minor, TWV 55:a2: I. Ouverture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd97c8a3c7c4f63ee554f7bfc327646ffd68c115a4d5bea88350b8c22df028d3f. 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/ES7141500312.
Suite for Traverso in A Minor, TWV 55:a2: II. Les plaisirs
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Suite for Traverso in A Minor, TWV 55:a2: IV. Menuet I & II
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Suite for Traverso in A Minor, TWV 55:a2: V. Réjouissance
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Suite for Traverso in A Minor, TWV 55:a2: VI. Passepied I & II
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Suite for Traverso in A Minor, TWV 55:a2: VII. Polonaise
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Concerto for Traverso in D Major, TWV 51:D1: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34947a9364ebe83f221a55d266f1961b45f0d434b724dac8ac224b7c9bf49c8a. 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/ES7141500319.
Concerto for Traverso in D Major, TWV 51:D1: IV. Allegro assai
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Concerto for Traverso and Violin in E Minor, TWV 52:E3: I. Allegro
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Concerto for Traverso and Violin in E Minor, TWV 52:E3: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x673892f5f86e4d61ad5584f469a9a9ba07c73c0a3802e22e097c78ed6a2ef6cd. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500305.
Concerto for Traverso and Violin in E Minor, TWV 52:E3: IV. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x807b04d3e925c8b11e30ebd6cc474b666aa612a51574a3503edffc28070d2769. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES7141500307.
Vivaldi: Concerti pour hautbois, basson et cordes
Concerto pour basson, cordes et basse continue, RV 498: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9a70207ff5a2c2bdcbd68299e8d4a714678f226413512b1c956c1fbe9e62f6. 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/FR10S1758300.
Concerto pour hautbois, cordes et basse continue, RV 453: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd699130bb6557dbc61ba627a91be0729e7d4424fa31b3fd782eb44fa367619dc. 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/FR10S1758303.
Concerto pour hautbois, cordes et basse continue, RV 455: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67df76e7076d18aa814a0da77be4929f538a347eab68dfa8808e2b4cb58d7062. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1758297.
Concerto pour hautbois, cordes et basse continue, RV 455: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a11c38759fb7cd78dfe6dbcff122ef776278ecd5bcb8aef6c9ea0551a55aec5. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1758298.
Concerto pour hautbois, cordes et basse continue, RV 455: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9103e74ab6d86db348bb01ab643899dc465f4548523831adc5d978146efc42b. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/FR10S1758299.
Concerto pour basson, cordes et basse continue, RV 498: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7500ed4805ca215779fa5ef4e5652178c58b7569f28f3f2d95554f90587a9f2f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR10S1758301.
Concerto pour basson, cordes et basse continue, RV 498: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24171dfa9d13ed1540b4830d303f0858e5e829aa4e255485c65bfd766736efcd. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FR10S1758302.
Concerto pour hautbois, cordes et basse continue, RV 453: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90cc0722241d051ebccf65e701ffebef82132537208ebc6995be825f9d6d9886. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1758304.