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 0xeb042e545b52dd01df0c8278a88a2ece0f27537e9a475648b2daea1d20c65fb9. 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/f8e176eb-a694-4c80-ae4e-3fbba1fb9e98.json and https://artists.proofprofile.net/proofs/artist/f8e176eb-a694-4c80-ae4e-3fbba1fb9e98.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Classical Music for Focus: 14 Calm and Relaxing Classical Pieces for Concentration and Focus
Focus Classical Music: Chilled and Relaxing Classical Pieces for Study
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 0xaaddd16b040d7e033f86946bfc392de5102b121dd994ef0d34a79ed04e361c6d. 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/GBMNA1680203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72a8131924582f15707a85527f55e3af5fdca80990990c5b5ea5919d0a3e26f8. 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/GBMNA1670085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ef448a65845f3cdc412ce2f86e9d6582d349d2b7165cc458b70e7803efc40e. 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/GBMNA1680204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe40464de93cb955d45467613a30143a1a2b2231b5258dc56533257763b0c7a27. 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/GBMNA1670087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c2cd814c35c438d3ea8739dbc4a543a52bc80e9359d30c7657803a98999e71. 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/GBMNA1600224.
Good Studying Playlist: Calming Classical Music for Study and Focus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17c7b8d550ed677be950f49bfa9d6e7633869ed6376b0e2a05920045d4bf9b5. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBMNA1781386.
Playlist of Classical Music for Studying
Chilled and Relaxing Christmas Music Playlist
Wind of Change (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b5c54cc37b9a4b2b328e03b275d08526f1866238f01c71d26b477e46d6d2ed. 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/GBMNA2400461.
Can You Feel the Love Tonight (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe18a55b5a4f441cea2cd4cad8ccddc769ee09be82d75a112ea24a4dab4bd7a1c. 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/GBMNA2201216.
Go the Distance (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd696a901bb8340550ae109157d11948e4082cf9665b695acb53bb51656e3e1. 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/GBMNA2101474.
Somewhere Only We Know (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc000d6a39a2b7bafeae396eae0646357b46c599a3d421af7b7eb722ee25f1268. 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/GBMNA2002142.
The Godfather Theme (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f6a0b377d4100c7d2747313b19d0cb6f3e012cae3d10df8edf77f6935d6ff01. 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/GBMNA2002149.
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 0xeacc38b1290240a80b4a57897619fcbf8b97582a7db76e63f79c21293588b527. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T14:44:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMNA1902813.
Game of Thrones Theme - Arr. for Violin and Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86573d600a02aedb54a5c3e2e4ab67ad86b95440a6e9f0fa2bc981abf589a798. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMNA1902814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x853193ee2f8383224df0555e497665b2d2b2cbec96fa4537a7d1d3c8e009a555. 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/GBMNA1902819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987e97865bcc41e1ad8b5a985039f271f93ca1a991d4760b0d58d643819ee584. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBMNA1902811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4436dc9bb24a2ee511d7adf17c4b6ca888ad53bccd438db32e790dc51d2f7629. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBMNA1902817.
The Riders of Rohan - Arr. for Violin and Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x210022d02764c4e4b72d701f2d9d975b29ab6b9144333414caaaaa6e1cf39e5c. 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/GBMNA1902820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58be2820886be7e93404e3f7a2dabe296e341d455a84e3e4c34d62beae628c63. 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/GBMNA1811465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa200030c9c2804cdf71769226893335057a2d78a4ed42dadd9f9c2abec55a1d6. 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/GBMNA1811463.
Never Enough - Arr. for Violin and Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e2ca2c08b2603f3c12941265570f7ccb547570e0bee8d4d1a8f525f3aef7a8. 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/GBMNA1811466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6bff3be80edaeae46fe8e0ad48f6d43da353c39ee7630f32db73fdddf67b421. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/GBMNA1811471.
You Will Be Found (Arr. for Violin and Piano)
Drivers License (Arr. for Violin and Piano)
I Dreamed a Dream (Arr. for Violin and Piano)
Gabriel's Oboe (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f6a954262d5801b7f354e54df78fff71674fad169e30fd501257484b4b87406. 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/GBMNA2100225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9edb6e17a9790d374bab7e8b6123fb81837aea76a9aa2f886ae206621ef3fc. 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/GBMNA1782283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa621a39a3605d1862351d9b7688022c58714c224aef793ed108d77b57e14e07c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMNA1700228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda132e3a272a6ab84017f2f4e147e25d1502046f1f3c3024192fa491c6abc42. 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/GBMNA1782281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d565dc9e71dba8acaa549358f289137d4af0f2a35afb8c001a1b88e8e8fc5f5. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:46:39Z), 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/GBMNA1600300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82927d42de435f41c1a85c889ffdce2575e42ebc3193d1f0ec9059a704a5aa71. 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/GBMNA1680326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93ff82f1ba4c222f17d7fa07190c601e68f0e11ead217d19796a24014387204. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMNA1680325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5e40ccd456519d6f7084236776ca041d2e425426eb3e660461818bbfca3e858. 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/GBMNA1600247.
Classical Concentration Playlist: 14 Beautiful Classical Pieces for Focus, Study and Work
Gentle Classical Music Playlist for Studying
Soft and Relaxing Classical Music Playlist: 14 Peaceful and Chilled Classical Pieces
Studying and Concentration Music Playlist: Gentle and Calm Classical Pieces to Help You Study and Focus
Game of Thrones Theme (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3de995b79453300f2e0b1c16517375539e913f1ce8afa5e9020e3031534325e. 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/GBMNA1901615.
Both Sides, Now (Arr. for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408a78702922801adb1aa7a9541eabdddd9520d361f4a79d05032700075d047f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMNA1901623.
Studying Classical Playlist: Relaxing and Chilled Classical Music Playlist
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a3ce798794718cbd88ec9258d8f16635ea519cda2395d629ea6ca3b87a50e5d. 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/QMBZ91663881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49c32e50e94b45023bec9c9824d65eb9e4cfde28c1e1d10fc58a1ee3f17757a. 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/QMBZ91663883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a8594037d97f9cf536bda2e4eee394ed35fdf07aaf4ef87b9bee9385c4c1da. 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/QMBZ91663887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7819fbd00032b30a898d7faac83d433950c01f278ec7d9befd06da8f70f575. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1419502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a063cf14d741488993a2502ae9537c9b387ff63b93414f2e244ee455cda1a9. 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/QMBZ91663888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe50fcadb7914c8a1de3bcaf76f7b60942c928b7b19d660e8f4d934a3f32f282b. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QMBZ91663889.