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 0x854fc4a06713446c08d9cba2f089be464d97cc6fe634ace50809686087a201e2. 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/1e3b0cfc-69ad-467c-9883-d838b73534c6.json and https://artists.proofprofile.net/proofs/artist/1e3b0cfc-69ad-467c-9883-d838b73534c6.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 0x22450a4ca2b840bd4668dd53d048fe7c45993b05908e7a43f9aff0fa29a18669. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GBPQS1800071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a96f9c4b75deff94945c3f30bce846c81e3ba97282adf53358468d50c0172d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBHAD1800788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44e6ed83ad88d38b1f320969f7071278a4f6320dd6610dd88ba1b14ff1d6fca8. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GBJAJ1801370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd15aa5bbf78a892b4b174b4e7b411a36a9e9889213466b2b7a33eee7f70eb6b4. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJAJ1801371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba580524dbbc5fd2433697b06497654ed99ce86d43081a9bcaa27fd8ddfeef72. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/RSA3K2100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6559fefb0b1040212c81678901482d0c94569b6af6802cffd6ab1f1b7c1ced7. 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/GBPQS2300025.
Born Slippy - Luca Morris Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c3d1974c95f9d9334647b83b1c0ef506314a9c2b6ae1074ff26b1aace6763e. 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/GBPQS2300024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d275b6f680d94b325ce7a5957252c1742925bdc2f684c18dfff6de0b59e289. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/RSA3K2100018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2333b1338cacc605b91d5eefcd479f5838502cb8ce781244be3a236361b09f9e. 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/GBPQS2300123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fbfa49e108950b320d8c808b80a016c9f41c8c6258a12e136ddb3cabc5dfa5f. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/DEDH72300073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3674fcec8d783a505eaeba0ec4b2269863560feb06526df432a39d79ae07524. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/DEDH72300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf6508153c2aec7a2569611e52162d91874c37bdf6f2f679aa9507075b76a11. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/DEDH72300243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874dc37747b6643f36565b74d62783f170d696aaf73ca8e79a841dd07102ddec. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RSA3K2100028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a3c5d9358e0e4d1ad8d603bea6b7f60497ec12e88b64bfa76f3d91e6506671a. 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/BCZZU2400131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0969297bcdd0feb1897fe65e826eb21f9716705d32878f59a4e629f2e3034f. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-16T21:48:38Z), 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/GBKQU2529424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ecaf2041b907dac52d7fc81238473a359235048c88812c0f619f14860266030. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/HRA5C2500016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6965e7c5588c9cbca70c65c3df0e21b0992cce37db373cdfd80909a69046c9a2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/RSA3K2100043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbff69abade406f1a5d8fc60021cec27930f38146de8eaf544240df1bcae608d. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:45:13Z), 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/RSA3K2100045.
Celtic Girl (Mixed) - Andrew Meller Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0755bfea919701cad6296082a43e563eafe0878b9c7584df3a4f96ead1b9f3b5. 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/GBJAJ2001042.