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 0xc2119aad55798dd37d99480bf4f71783fd9a60a6c7ff2523d84f3c8fed982f08. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf521a2a-75b5-4a6e-a028-b0215e2cb2df.json and https://artists.proofprofile.net/proofs/artist/bf521a2a-75b5-4a6e-a028-b0215e2cb2df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Naxos September 2014 New Release Sampler
La Wally, Act I: Ebben? Ne andro lontana
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 0x9f4ae1c735b2325a7159b376e90f628132bc796c3b6a6afb0798c8edcc0b969f. 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/HKI191411408.
Gorgeous Guitar: Best Loved Classical Guitar Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c7a3ff38cc0bcfe6b2d9382f6ce5683a6053fc9353b738e75e13fd7a65db5cd. 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/HKI190132904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ed3794681471b920e3f77b2d6915410be8a4d80901683f7b2e294a8015f130. 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/HKI199945312.
2 Canciones mexicanas (Version for Guitar): No. 2, Estrellita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97fe047dbc745163163b36579970ddba66ecab2d095d5bb441f78614604a2692. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199716947.
Music for Book Lovers: Classical Music for Reading
Recuerdos de viaje, Op. 71: No. 8. Rumores de la Caleta, Malagueña
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c4220cb73916246489633358d0b748034290b0898b1a35a6d443f0137c7c716. 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/US2TL0925815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36196b7f3f43e8f5c9a6c89adaa95b78b7f64dfea0f5f143f7564f70b36158d5. 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/HKI191123517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x657f5a8e5b6863d8f2896b8c5eab2fb0406b8457ce03680c528b81e67e76605a. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1009917.
Introduction and Variations on a theme by Mozart, Op. 9
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36f5400e98be8b920661a741a0d638ebedd3b88eead4848eca44852f8984d94. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/HKI190836221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c0b329d7a85c7e6eb11cceef60c4689a1bd2e3170f13beaf890b6dccb04ccda. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0925808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x555e5c446a707736d3674e41e5986860f768530988680baba9f657f388886417. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0925813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab96f02617045c9a573ee496ecc6123eebe48d5b34b93907ca677e60c52740b7. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-21T17:33:51Z), 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/SEVOZ1300111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb92a73b6c3dc0bbb2b06a66f038a2a1e93a81288931c7d1eb9a37069d73b99c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEVOZ1300114.
Mallorca, barcarolle, Op. 202 (arr. A. Segovia for guitar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17cb3c3ac46e90bb92757652e8571f20f1c58ce74ab51eac01ddda1aea41eb8. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEB260100049.
Suite Española No. 1, Op. 47: Suite española No. 1, Op. 47: No. 5. Asturias (Leyenda) (arr. A. Segovia for guitar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda158d7404501438ef58ee0efe46b14bea428fba98c6528ea377c8d38a3f6339. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-21T17:28:34Z), 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/DEB260100050.
12 Danzas españolas (Spanish Dances), Op. 37: No. 2. Orientale (arr. M. Rost and J. Rost for 2 guitars)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c85fed82a08f6d5fc2a1b3cdc8f7201c1e9ed13b0940efe9a18013aa17f4c12. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/USB8U1009912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ada868a6fa92b40739e7cd1227a170dc67833b09458aed48be6ea26c5d9cbb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199236005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x029845b7f3b3cc81a5990083834184e51f0346f4f5a0b0587eb9f756694fb9c7. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKQD1900001.
La Forêt 6. Les belles couleurs de L'automne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d4bb6f392ab0e4933834011059eebfd487400c2f5256a9e8e5b4ca5e1557072. 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/QZKQD1900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85061855c5839b25243ab6a401c20d747aafa00ceebb0f0811b5e82d5685629f. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/QZKQD1900003.
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
Valses, Op. 64: No. 2, Tempo Giusto (Arr. for Guitar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe498182bb21ed242ba0d7fc3b6906c7059b78319fe2dc77df09653e678832e16. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2068948.
Ave Maria, D. 839 (Arr. for Guitar & Cello)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc834af3d8e6aedb0aa2bd3bc7d8af4ab65362a689a51cd6625668ee28ac0b204. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-21T17:17:21Z), 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/USL4Q2068950.
Three Night Ballades: No. 1, In the Shadow of the Sunset
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb56f591a29902542d7f194916f07b285cfaee920e9d3423c21dfd3f09ab866a. 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/USL4Q2068953.
Suite bergamasque, L. 75: III. Clair de lune (Arr. for Guitar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa13f27e1b19551bd8401dcf22783182147170199135e631c1d18afb7152c000a. 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/USL4Q2068957.
Adagio in G Minor (Arr. for Guitar & Cello)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d2ad241565fc826352114c8fe2d8fbe879aeb3d395756f78c3f4cbb5bc75c9. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/USL4Q2068949.
Schwanengesang, D. 957: No. 4, Ständchen (Arr. for Guitar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef1463186a7f6dbc8f148b52e707a4d7e4ed965f8cbcda0b4140ca93f2e9eff. 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/USL4Q2068951.
Suite Española No. 1, Op. 47: No. 5, Asturias (Leyenda) [Arr. for Guitar]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0709b2b931725c2a0cd472107227d7a5dfa8805a80a74d5a85fb396ed8c0836a. 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/USL4Q2068952.
Three Night Ballades: No. 3, The Queen of the Clear Night
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae9e3536180831176c6d02f4770ab4e4643d8d119f374c810c9f54c355e8a9a3. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/USL4Q2068955.
Mariëlle (Be as Beautiful as You) [Arr. for Guitar]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfef9106a281e7e95e7e6053280f951eea01a45a87b202bcd1ff09a4aa8b74a3. 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/USL4Q2068956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc29f290d261adc26778e763f7dd6f57680a8ac7071b96105a59d03045735161. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/USL4Q2068960.
Gnossiennes: No. 1, Lent (Arr. for Guitar)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x591f2f35702e2a4952a68b3bae45643a4d58b5b2aeaf618e9bf664f039a05f1e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/USL4Q2068961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f937429f6f7fd47979fc4484533c7f9850c10134717bcb06160b6ce8b489a7. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USL4Q2068963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab328e30fef29a53e64fe097706736e786f2f428ee81ef0e5d32260218fd1f2f. 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/HKI191401304.
Ballata per Elena bellissima (Ballade for Beautiful Elena)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7995814a118862cc974b93b3c36f2bee56745664314ec8356f73508365200f3. 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/HKI191401312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce83c9a94f12278d802c9b1e54c4bbabdd3f60117c08a14b77175c25b56fb6e2. 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/HKI191401301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe948d27e7bd8f701c4602698d67e378312403047d42397bd56b4d0d4e357f5a6. 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/HKI191401302.
3 Lyric Pieces: No. 3. Mogiana in memoriam Heitor Villa-Lobos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb65f56af8f731d82dc277be9eeb02f5de93d4f28365b0b9bcf51cabef3075323. 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/HKI191401309.
Ponce, Tansman, Brouwer & Jose: Guitar Recital
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e1c1af4219b904926a8389bc6402e067175f150f2314705d0518b616a8643ec. 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/HKI190932007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7d81da21a6130c449bd02e398ef030951cf1e25c50cc16a85f4e66295c5c0d. 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/TWU710701221.
Granados: 12 Danzas Españolas, Op. 37: No. 2, "Oriental"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759d32f5cfe4bb69cf4a78854f931b0c7559d59c5aed0aecf9094a6fe681544d. 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/TWU710701224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15f84786488b83b39e227c18be73b721bdcca7f88fac5529da82776e85d18904. 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/TWU710701225.
Rodrigo: Concierto de Aranjuez: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a2e327a496b6c9858ba800b8dcb57e7a04ccc8da02079617f073838281df2f. 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/TWU710701226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d5d30a5521acd2addfd99ce455add92f1cf1cb133df7feae3071bed7ad9040. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/TWU710701237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1590af38f71ba75dddcb8784ccaf67f6caf08b42c4aa690ecd46cb3413019f31. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU710701228.
Bach: Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano
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Bach: Inventions No. 13 in A Minor, BWV 784
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Chopin: 24 Preludes, Op.28: No. 4, Largo in E Minor
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50th Anniversary Michele Pittaluga Guitar Competition, Alessandria (Laureates 2006-2015)
3 Canciones populares mexicanas: No. 1, La pajarera
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Haunted House: Spooky Classical Music for Halloween
Guitar Recital: Kulikova, Irina - Ponce, M. / Tansman, A. / Brouwer, L. / Jose, A.