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 0xbdd10d9e3c3ffd21e4976fa3d77183affeb2608edbb613de05ed8cc425e1413e. 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/ba54e799-3927-474c-9f3a-63246c71da15.json and https://artists.proofprofile.net/proofs/artist/ba54e799-3927-474c-9f3a-63246c71da15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x2c9684bafa4b4e6eb8f65f8bed6dccc0f7b8dec6d4963c6753d4f6e83c8ccd55. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/US8391800010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f273b9599e848f97d4679df71a1451008b6d6f38db13f2046d18449e576b581. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/US8391800012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d4c797c467fdce249f24b4dcdfbafed336f5adf758debb1e3d45708180b2d4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/US8391802061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1300211300c655fc9a8f65e1301a6d70f6e46b3513b750d24cd637a656eedd80. Chain 2 (Bitcoin): anchored in block 958911 (2026-07-20T16:46:31Z), 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/US8391802120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa45f20530844cebc03412500a9d3e8eba489613a398ba64a1bbb77e88099fd7b. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/GBLFP1942839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaebf8f23a06d4162ebf0c722a66c6b2c334e418e0a689453c034360f2ced580d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBMA22017740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ccc53cc6e30edf5a518732b8af9d857bf6754c1bee439ec48ac00908caaec8. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/UKW3Z2100622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1c84a8e63015ea7ec3fbfd686c1f36ed6edab6a6cd148f11f444cca6e372ad. 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/UKW3Z2100774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255dae10cefe77a835f4ebbbaf971bea3175fa281fa5af282d94a62240bc048a. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/UKW3Z2100775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab3404db7ab29d1a3b7cdd33fda7828bfbcfa2a79d41024e9f8a6227f5efdb4. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKW3Z2000603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d087a8abe4026b113fe296208d380a68c2f63cd17eedd54bf4d630df2e5689. 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/UKW3Z2100830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f950a07123a4eb7aab67c93f5a756dc9ad451c717de819222a6784df962617. 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/UKW3Z2100446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14bcabb0cce89e43d0051f687cbe26c5ad82b49f5f545e8871cb66fa49968ed5. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/UKW3Z2100831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7caf922a3231cf46585644e340534e8da6c4ff73abbb6c73f19c67f6576d7fdf. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKW3Z2000747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a87ae7617958aa7133d189c65a7ea82702679e7457f966fa75b0008de31352. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/UKW3Z2100832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aead0e305eb3c3bda0dfb61bb4451f28b7e63d5a9a5ace621a9bec1b26f2cff. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/UKW3Z2100833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dcdf7ea916dd8c3300d888c3fcb12462c044247d42ea6b4cf00c5e44812a15f. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/UKW3Z2100834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c8623e24adc314441eaaa04d318970fb2026636681ed357219e8c9b423263a4. 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/UKW3Z2100835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45863a7195366de3984261deeac1c74e88f98d828cfe36f74f949e078a99a0bf. 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/UKW3Z2100837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ccc53cc6e30edf5a518732b8af9d857bf6754c1bee439ec48ac00908caaec8. 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/UKW3Z2100622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316979f675e460b32492d14ebda1688e0ebb1f79410182839d552db12827e828. 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/UKW3Z2100838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1544bff2724aee74a062b29bd9ab0fbd285ed93ca2d15e46c2d06725912e8fd. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKW3Z2100839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeddf3e5a7a0aa7a6d16e8cac782520408f8353fdfdc957629cf4e8d5309165a2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GX53U2089435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a2406332310616261d8332294a2bd3887ad81111f778a71f55578e0c90c470. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/GBLFP2228815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1782c9280683c9c8775a9ba1b53fe2efdf543ad1d03579ecbd99008929c34a7. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/GBLFP2251519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c4e4dbbecf42af6dd9f39c4d6c7f243bead3c3c0dfa926f8a76049846f2689a. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/UKW3Z2303144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x438f2e5e59587ae580f43b7e418fe1ed24d00b5aa2dc57a43b5aa6d2e01e418e. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/UKW3Z2304260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x906f484c5aaf72ad47d85c0698a019d39bce60b82ba8bd285988017836cd1354. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/UKW3Z2402385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cdfaad1d2a41060ed8042d098e16a176234946fafce94a5016cfa34ec3d84aa. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/UKW3Z2403861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x438f2e5e59587ae580f43b7e418fe1ed24d00b5aa2dc57a43b5aa6d2e01e418e. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/UKW3Z2304260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb449c0d7bcb984fd6ce2eaf4ad83ed2b5955f14b807c7f171df58af822b8dccd. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/UKW3Z2403863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9e3ad2c08ac4098b2eec89e1799a6745e4d2808c3624617fab178ca76dee06. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/UKW3Z2403864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd00f9488eee2d3f54994c490b97b5057e7c95d8f97292e0557d55b8fb34f54. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/UKW3Z2403865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6dd9c261d87ef44d15b73a4db271e5ef60097ddc578e70de1d0ed60e3481e6b. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/UKW3Z2403869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe3fa465d31384e795478b40a74c490766c4b37bbdac2c8ef3c7ce11dac9065c. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2282792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73a312d8883bfc65798a99f1f132f11a0037ee85e0a06fbec548fe6df963a013. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBX722000278.
Beloved (feat. Joshua Luke Smith) - NEVA Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe4ae26ffab24b90cc0726fd347509c029035359db446ddddf5ae30a63b2b570. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8391700111.