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 0x287b23efc9cbd76483ceff0df3ca3a8d28272f823e07e8ad31d45e461fa34228. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42b473b5-82c5-448d-9275-1abb325a85b5.json and https://artists.proofprofile.net/proofs/artist/42b473b5-82c5-448d-9275-1abb325a85b5.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f4d772feb0d11060ab7cede52fd896c999b6e9e62a22677836b0b625d8585ae. 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/PLX632000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x154b35bfd33f4892e352a9e64978e18de4be5564590abd90b5f1a27bed6b231e. 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/PLX632000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a794dbcfc08eac2076ff0f3ef7eeb1b81f13fe9cab60a4d7d13813b4fa1fe4. 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/PLX632000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bbaf520a35ebd78dd0d1f42e8b679c482ad743d4a36d9efb9999b1fb37020c1. 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/PLX632000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291c6c2eca4d95b0748258c01c44efaede9db187494a676a56e881e39decf06f. 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/PLX632000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2901329a61580c7e08a9554b329f2ac6e093a7dfaab43955265c709b3462ca1b. 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/PLX632000010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7c13b1fa8b0c0d480f1728df792a13d4f36557ff46162f2b80529254909e35d. 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/PLX632000013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab90c7acb16ac06f54719a8f69c2915264badf1e271b05f437de4e0c83f2c35. 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/PLX632000015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10a1d0dd6f6cba77f06d44aed287f420d8dad88cab06862e6cd8a28bec132bc. 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/PLX632000018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0646ae26ab003e5995574591b6f396ad40081c5da84eaf7fb7ef2d0e90feacbd. 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/PLX632000019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf41224b87d874fc91eef6fbdd41ebe365683be5f0b0e21627c4cf1bdf4dc2e6f. 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/PLX632000021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cda6f484bf5bc00b280de62678e80e0b8f605d5abd7b17b034046439dceb98f. 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/PLX632000022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff8e9c88161233f46e3c1a08aa7f9fca3264a78e9038b69a9083ff58238a710. 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/PLX632000023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6431df73b7690dc0c6c01a2705f063508256df50d0ee37c67956229721a624fe. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLX632000024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5688d9a93d0f3f496151d8da30862ccf11f28c9b5a2fb851058f454bff35ad95. 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/PLX632000026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77315e256fa3b437c9ca86e1892de542e3e6e8bcbd6003c0622ef11422ac0c4d. 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/PLX632000027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df4df8e691b8755785eeead8fa9f6e1abf03c7badd93840a977ddad721d49dd. 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/PLX632000028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cebf739eb89a44fef6ceacdaba2dea1645a2599125d57de954c01394298ac3. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLX632000029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b5e0fd1937153bdc7899795eaf10fd68541094a6fd5bdfea235af8187651558. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/PLX632000031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38edb2c3a267b3425617d42c468e5641ed496ea2860efa604154fad387390f6c. 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/PLX632000032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc633dc2ff2301c7534ed8ee9f821b8c9e06691a41f1ed401d749d0331278804d. 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/PLX631700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb2708cc7c4256672ff6ceeed6cd5b529e6a70718c79326ea3bc8ad5a49a90b. 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/PLX631900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90b4708fab6639b8fd128ad91790465253f7b84dfefcedd7e4af3ac7bca5eb1e. 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/PLX631900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ab7896e2d7d1be0e9f1957cdd6df6ffd2761bfa5017affa5f23438415a385a0. 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/PLX631900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad3c267f15321c2efb0ab78e5ca7a50795d2e79dfa83356dc6daa1e1b1a6b968. 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/PLX631900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0edbd194f378c56df65eb236bbf0788e8abcf6acbd953ac59d487da83aaabc53. 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/PLX631900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x751e8a51772752a4dff116227141c1e8ca0b75043d639679832f062b94b865e0. 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/PLX631900011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe681d18de3a37846e3067681e29e23120f2f203edcc500c84393e5bdd6cd3401. 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/PLX631900013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2507aa66f600758967a34ca68bd2833b98656debff49d8e94ba5cf739570234c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLX631900015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c3b7ed0998dd131fc97c7668fe7ec89a033f1df56c6004cdb7bd2d5396ca29. 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/PLX631900020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc6b0dc59cbe55ef03abb8360dae7ec15e70b408a0e0a8a177474f5e5b17f0f. 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/PLX632100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f238e969f1758acc5ca2ae4e253bf9f3f1983238f595560d40eafe2c54a4879. 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/PLX632100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349d2c20c4d75266c6d97a9754948d55ad08a138d92c1bb69b628ea6e51b0a56. 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/PLX632100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e347fe43d5c7bdf7beee366de76065ecef55c990622be955a2edcdcb1c5a9c. 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/PLX632100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20744bb0abb44922381c527689b62f05af4bc8890ae3c165cf02ec4195543715. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/PLX632100008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf455e65c8ff2dee7ab52eba4ae9c5a5df06d959e7d7bf139d9105a1a89b0e10d. 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/PLX632100013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9d0ad1462251292695f392c95296a3a55268973555ccc6306165144010921c. 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/PLX632100014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e3c025295322f2b0ce611e0e85ec563efc7fa4626330e8d06c9b730f7b4deb. 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/PLX632100015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9e8f378b794067ce9dab97212f10620f34f9a3f86ab91924a562467a8d1b6f. 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/PLH181600662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95030c466aaab56778e64f9f1098f6066c729e02cd4da65d2d0674e101196692. 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/PLH181600664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d01fad0e48d2773975e3dd0f06dbfeae38a43f0963ce39b994779bf9b1bfcf7. 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/PLH181600665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccec7322524f604c9f05115de504b0aa6683b94a5f80720da05baf60ec5eae7d. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/PLH181600666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84883f7be20f01c4661785dc75bf4edd7e949aa925f0fe54addf9ee3f257caa. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/PLH181600668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x736fb0aa7654502c81c3f3e7ec37edc1bd1a015be2fe462e9c70c5774a41670b. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLH181600669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93bd30e99652dc6127cf037da964d2b486743fbb118a6e1fd571c9cc71161c0f. 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/PLH181600670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915f71a141110dee020a145c33d29ae975d02d5119bf5558233a08ad21cc9897. 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/PLH181600672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed9e084ddb8ac2ab732d1ab41012d882a4a5cd27eb925cf05a8555f06a38069. 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/PLH181600673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003907ac1acfe210a9a77880c10733e96a06ed072186582579f1e1478c11b2c8. 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/PLH181600674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50ece0c4d7665a367c7c006715f907252b6bb2e7030fa50313ee287dcade76ce. 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/PLH181600675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7128c6de9cdb16546426c686d166ad1c09dd7d578f5ee243d410e0d08429ac6d. 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/PLH181600678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd315d01c8dbc426a53e9f7e23e373498a7025d3098062601da2755580e238d9. 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/PLH181500526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b8ad3554d2aeb2aee16f4c75a0773798b0143110533f22ea10c0d0e0543ed96. 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/PLH181500529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626899a359404758f43dec278455309dc4a4fa7f7db2199f77378d3d8642e98b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLH181500531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1029d9fda45424cd2ddf32c52158209fed30ac166a4f4a01b82961966bde794d. 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/PLH181500538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96a1d1d105f457feded2274d51a09c756ca2de0e919df1bb2d4b8733da03a991. 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/PLH181500541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43f752f143245531993ded857902e2475113c4ee4fc95bb27e2f19cb367eb50. 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/CA5KR1819297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7cd14265b8a81292389a82a32d6f656bc5d86e163adbec977014dbcb06da9c. 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/PLX631700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c24d5bfd93c62aad7a1ee36732ca69a2b99f1f0a47f984bc540b8cadc814f0c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/PLX631700002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1555d78cdb01386ef5438948dd5e1949d0cb7e4d2125dbab319b176c43b242. 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/PLX631700003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ff9b9ec5c9c99796726da10b5da5d05d8815531b28ddc46ea1794e122917a2. 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/PLX631700005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26647762bf7a655fde0e5e4b57e8b02f2912de63cce26ec8d68edd71daede3d0. 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/PLX631700006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25bc081c246536ec68ef45f53ad345a9d9dd0299f69a446fa99dd68d651c5764. 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/PLX631700007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f36f4107556775c1516e5fa569afb1d670cd39f130c082d2db7e62b9df843ba. 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/PLX631700008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb126fad102871a31f6ccda135fef73697f21c25cb5becfa75a3606c3dbbf2ca. 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/PLX631700009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16afa81335c8b50d09ceae0e553c70590030bf342a3a173bff085b351cdf1d32. 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/PLX631700012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6afd0aa98c1613c7689f54a961558a8fb7c00c7e2cdd3e48be1c4f00e4817998. 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/PLX631700013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c7c36b4a1831e36fe3dcc6535da9688148d240f33f47213477ae2ca348414a. 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/PLX631700014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf2e8bf81dd4a0528960d070414572b257cabe210824da244c22898d1aa8dea. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/PLX631700018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6badaa470aea1b2e897cd6314c5b6f95c6d54113b417c9de77886d998bae277f. 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/PLX632200021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2beda3c9fe7a3c09c8727a7e05509c1c43352c621058240422bac1e1e9c35d49. 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/PLX632200022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159446553eeb9fc4392fb9b69ea9981a348aa1c2569f86d80a28961d7083a8e6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLX632200023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x371c0cb6d8efa3028c2bd9795ea8a8dfc520d2f2f2bdb49a3359960e8d7623aa. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/PLX632200037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f26d968ac329ef3da6a26849113ebb8105214cab9a8088b921f71f125d7679. 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/PLX632200026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2497b0c1639b29cb81a3c24777ae7a9e20e405efefb17a53d0e202981c61b570. 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/PLX632200027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x554afdb821792721fca4fbbc6a65130116190c8219165870c99c4f602d7cde2d. 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/PLX632200030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5716866cc9d40fb3fa87ebbea3ae9312cf3574cebdffa61b8b04a21afe943ca. 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/PLX632200032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf683e1bba919cc6197e9f6e007572db2b0e8e1f914256fdb6f491b796863100. 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/PLX632200033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ff6c054b2a32bc9027220554995893d7473a5ed48d60c8775412d74fefc7d3. 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/PLX632200034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6939a8fd1015e39ec7aa0a37811e95f54e396f0b4c272a914cc1f41a4fc8a49. 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/PLX632200035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf01d8cc63c37791303b209804b7314d840290a111b9affdffd66c3dad19aefc. 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/QZTB62269815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9624e69581691c98ce17e7b5c9b6aed40e5548ff32574dd66ded40758bfa9fe. 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/QZTB62269817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf91de9ac4125794d03e3271f194a6a31a319ec519cbd699f226c07b208083bdc. 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/QZTB62269818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a24f0b66295528938ac2814775d0318fcd03723dfed13c1ca88b509fde688c9. 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/QZTB62269820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d15b85ede4204a89e6be9e1439a140a4b42367b1047b28b617cb9a3b202c0c. 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/QZTB62269821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985d7880ebe1a1e513514a1caea8ad3e7c2458eeb4730b2f96a35991929974d5. 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/QZTB62269824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd7a2125ebe085d36affa646c84aaa7815207b6c30ddcd293a98af1237b1e60. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62269827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe74de854aa3b6cd02f8ab8588536d94f4993e17364666e5aae30e7779708c920. 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/QZTB62269828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b785d074958412514053d8f548364f00d789a2cfd9ff91683fb2c1f39470a4. 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/QZTB62269822.
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