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 0x943c8a29c8e074c97820f8a76eab5c84ab5549dd5fb5103e049e68a51b13016c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c71d19c7-e696-4a32-89ab-a477cd959c88.json and https://artists.proofprofile.net/proofs/artist/c71d19c7-e696-4a32-89ab-a477cd959c88.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 0x3790e63eee3d369a9bc7111169ab203f85789526f8dde01a110daf4eed5ec36c. 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/DEYT72204009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f09adccf44e4b25815b08c4def13f9cdd4314ae908d77092f0cceb912a43da. 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/DEYT72204010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7f0f4156f1cc7c0164489c8330450439dfb86fdbb13a8fb9a49e501b576c18. 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/DEYT72204011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39289363c155844646672b745317fbed9795902f151b01c62d2e92f6f81e55b6. 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/DEYT72204012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x177a2b8b1fa247b81116c5b3433d1e8c790dbaa034502ce09545ca7abfabee3b. 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/DEYT72104121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d4578e3551fdcf3c289b3a18b6006d3dac03a115415ed4b5222cc12b0e0ff7. 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/DEYT72104120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf64e89b4ca358dd93a6f86a1588ec66fb3eff54545288593fa8ecbf8f791369e. 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/DEYT72104119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dddaad1a54221889b930dd6b87c29540dac9c82def29ff8695cd66997c956c3. 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/DEYT72104122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a0f026ee2aef3e1ec940a8641b04b0e17e8fd305342af1e9c5b0d47c645533. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1H22400229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf4be2b6fe375a18441954c2b3a4b86224a6ac097a7b7d682abee720740bec7. 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/DEYT72400039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea3609baa2fccf1089e2b575e9f51c565e307e78ecc34584c7acdca737720c1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1H22400203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f8307ebb696d8cbdec2d877d116d378930c4fcbf1e119086b0f45b9f0c1850. 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/DE1H22300103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67fcc6ea5acc5c5a5d49ff85e8a3e0260e2db4b1faf0ae7b2ac8fb4247465518. 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/DE1H22400214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dc4468623181dbf32de14b95d245dd2d842af5dc06a0c3a1254bf071a66c975. 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/DE1H22300104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08623e50b3e074260c542e3161b0aa30b674a3d98f05f9a77146de99bf541fe8. 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/DE1H22300194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb37dd3d85e311b5596b3672360a2998352836346be8d5cb08fc8db6a7cc87f9. 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/DE1H22300099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b7b330ff2c3c01666cd061bb5c48bd33dbc7cdfddeed87fccc995f8b3c28654. 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/DE1H22300093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2aa22254ad2670cbffec88045e6c9dc67919781a69994c0c6c0a579588f009. 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/DE1H22300076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc13805e36b6231f990518665cdd415a2230885ad1fee4c679d4b727bceb64b. 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/DE1H22300071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1456148bf02be515b802768ae6e2cda43d50ebe108e707fa6839ced49060f673. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1H22300031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaf72cefb22c2d066ec372f5bce31eee2f31af29f79310ae9ee7174e5b7a4b16. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1H22300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b22f7e1fa8f19d2ae1257b6c5f454bf430016562fa7289e5e9f0b76b7fd6311. 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/DE1H22300029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa267e8a1f2d99108f89ceb92e6e14d8137e259b9e11cc738a2c8bb5e74b2dae. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DE1H22300028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f2648086089063fe4a998b098fb7e3bba8e2475c4fe5159c1c89ce7941fa175. 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/DE1H22300018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b51bad1ab8072ed70c05cf4cada84d3330927cbde74d3b1b459749eb5d9feb0. 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/DE1H22300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a03e395a92b778d9f4d7d2a95b24046a89676c876c8f0b0f1f646b5e0125d1. 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/DE1H22200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaea89ba25b73ddb64a4ddb8feef9e3356ef62d2f6e58363f0f01126e4b8576b. 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/DE1H22200025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3baa7ef5d9f4e1ce848e64d5d0ed1e961fae03dd3665cc628933d79ecab5e8f2. 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/DE1H22200015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1675dd993c15b5cbd032a0149b35be2c56208cc6142c364cf0c9415f31c89277. 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/DEYT72204003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x375be47ffb81f1405f4e7e3dfd8685e5f780cb4f5c275ed1d8449e58d6d0ee62. 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/DEYT72204004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859b220991ec7e8fcb391b688b253ccff98cfbdc59692ccb2e0eae08ba3d2bf3. 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/DEYT72204005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73962601c35067b2508e220b091eacde83c1afb33981893a87c0f2271afdfb9d. 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/DEYT72204006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe147858e14bbdef84dacc7f30bf0072c131bd9984650fd3472975a5ef2e3cbb. 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/DEYT72104106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc123e1ecbdb99633231965a3b3e62ed8c8490b838643870bbe3f155e4bcf289. 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/DEYT72104107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7bb84ff34233a39a01c3bbd2b118268b93a087c6113191630e1c8141ba181c. 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/DEYT72104108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b2de1c867fec3fabe8a8695236bd3cf964138ddd1af8bb93a5637dd9fd4f6af. 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/DEYT72104109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28d828f07251147b826d98e7dba45436d0f330c491c011cedd3f6533d352b022. 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/DEYT72104097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552000ee78b97fa45e35469ced45aeeb4930933c2098db41d530fe6ddd9f1567. 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/DEYT72104095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53084577d84667bbde64a75bd5e82ec614efe1dea72e24d31c7662a3ec128766. 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/DEYT72104093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e4e08ea36ee72fd8eb3bdd198535f3fbd8636ee2e921c32f2f1b428352ea5cc. 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/DEYT72004085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e767af633a577bbc3d747224a5991af5964c2d4ae1fc463cbbe421a09014ef. 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/DEYT72004074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b3fe50a9c3463e5f3c4c0fb4d57dedfd62977526467302b2ce7f79c49b77b56. 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/DEYT72000163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfad219280bc30f6b68986244d17046eaf4f0bada75f1ee6d41d51068bdfd7679. 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/DEYT72004051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf95ebe5fefbb3bcdbbf3151e086fe3c9a1688ed0921c7617de582594907a12. 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/DEYT72004021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364a57e63accba44c45bc3b1667ccf927032c4ef5f3a05f11c44fd3d3d10220c. 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/DEYT72004005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd691e19b974d5221f0f9a782734860a982ffd9afd7d3f9c697b36a706fdd5429. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T18:48:01Z), 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/DEYT72004006.
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 0xe663514b774b788342918f23afc14acf7551a5c3746fae5ba244bf5d0149b296. 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/DEAX12004077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af6467873a84878de5f761f84ebc1fdb0d43d09c52ae8f17f02b59b884f8256. 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/DEAX12004078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x114abafe1b806c5667a76801be67340825ac58c24ef1ae072a87b44cf806ae2e. 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/DEAX12004079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01771309e3e10d775eb6614bc8b686bc99bd7ac6e70cb2fbb90c91a9dfa65227. 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/DEAX12004042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47799fcaedb74abf72c09cbb17ff862459c3cc3dbcf3ef6f874b0bdb840a2421. 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/DEAX12004043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e376725d92784dd9d46101d3841083e3163ffd727db016804476644ad856a2. 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/DEAX12004044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50889be3a7a9e9662686e303158e82549f82ec4a1669a81f69093503ac05ba82. 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/DEAX12004059.