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 0x16d71f8abf6cdcf1326b7912bdc99ec1d996019c036a8e232cd6d8a648820919. 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/c7acf384-0a91-4574-80a8-f5a0ae3907d4.json and https://artists.proofprofile.net/proofs/artist/c7acf384-0a91-4574-80a8-f5a0ae3907d4.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 0xf0f7ca13092aebe48ca9038a6559561748d2df4620169ad89857c9b74f417789. 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/SE5IB2320871.
Send My Love (To Your New Lover) - Acoustic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb24d28fdd7d48cffe31951498a80d16f14537ca786b4bc9b3246cf95043f9b. 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/SEWDL6141662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4aed4b0868b40717653bf9720a0214d08c42bd9ba56a757fd1c36b34d971cfc. 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/SEWDL6141698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb310677715759cf4074005f8cda3b8f14424d8ab443e0f98be8cbc7ed1edc46b. 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/SEWDL6141688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd183c044c63c6a7bb0b406fe112205e50e2275bb013c63c441a081f53023323. 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/SEWDL6141701.
Water Under the Bridge - Acoustic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f4368f1bc78cdea5ee9deba31298bf63e4cb7bd6f2b926b52e141aefefb2cb. 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/SEWDL6141663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846e528ed79240ccfc00fc7ce99f7432d523ca19b1b8b80e832b184b435e74a5. 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/SEWDL6141699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05fc69e7a8c3f1fe2e2c91b9203bc269050eddaaa8223351936d5e6c4f6e63b. 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/SEWDL6141700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e4e258770e30370ae071978dcb29f88edf00f1822f444509b83d18d7b61f6b. 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/SEWDL6141697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb393558773ee39aa4cecc574b2ecf23c2f6cb765233e4564fbfcf5b389e68119. 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/USAT21812735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d62716020ad222e515cc9bd81e5e6c89ac420bddbf580e89a15c4d44e3d8af. 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/SEWDL6136501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d62716020ad222e515cc9bd81e5e6c89ac420bddbf580e89a15c4d44e3d8af. 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/SEWDL6136501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32773ed288704522735cde41e8669e326fedc2eb90a52e3694f4af770383f626. 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/SE5IB1700857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6107dc21c1912e96172c575f51835a63f2c8311a3955b597471b69487e1ac164. 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/SE5IB1800309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea575b75b4274bf51a0bdd32e60361cc46068c20f69b84506fbc562ecced67f7. 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/SE5IB1702129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4f7ad2f8adbbbb0827cd16ff4660a6c0af11ae40647475e26a2de5916fc9a2. 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/SE5IB1800631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab7dc3ecd5289763507932cc43f7e1ded4a0ecd149a481cfb366c7a80c0a7fd. 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/SE5IB1701669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b8e040c25f6d0a1474dca456626fea477378b0bd7cd180a9c0f6762b35c578. 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/SE5IB2000836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c759c75dc92af2b1d4e5c963af3285849a5bb4dc0f24c3ba622f75a1916eaba. 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/SE5IB2001092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf456dd795174b827e4702e56ab48e878f880bbcf027690f72ab650e33648f48d. 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/SE5IB1900149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd39fce14dd4ac5ca5b9f87d646881292d403d1c487a282833103035f4c420fb3. 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/SE5IB1700989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32773ed288704522735cde41e8669e326fedc2eb90a52e3694f4af770383f626. 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/SE5IB1700857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c41602c336c5a4f8d73abdc2279a4ccf90908dd8fb42d718cc6a586c96a34a. 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/SEWDL6139211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc13e47b301cc14e0d1496fa10fd7feb21163e43bcb72b5e2bd02dcbf841acbb. 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/SE5IB1900863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289c0bb11a9e53c45ee3002b664e9e668709ef914dc2aa9e19875bf5aca6ed99. 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/SE5IB1900865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6055c98fb9f0f554c2c956a19ca67e8ccb76d749ae9d32b0cbd2c130ad198935. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:05:53Z), 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/SE5IB2164261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b9360bb5921993581489e580667006ba06a8d587640f494407d4396a30b8700. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:49:25Z), 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/SE5IB2213537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526d849a084673e303df7f8494667cf5227134f03d116057379165f7754bff21. 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/SEWDL6141525.
Out of the Woods - [Acoustic Version] [Tribute to Taylor Swift]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bbbaaac29755522c2ce3816c4e4f9b60059e7a0a0753024feeaec03e6dbcea0. 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/SEWDL6139114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4012983c03c35f3448596cdf3f68e0ff5493ef4d288e6597cc2b58e91f062e62. 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/SE5IB1900851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e7b72a39cc38121971832d24dc6a2a587d0a008818d0cbfd7c9fbee17db4ec. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/SE5IB1901084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd39fce14dd4ac5ca5b9f87d646881292d403d1c487a282833103035f4c420fb3. 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/SE5IB1700989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcbb9c85478544fb28bb8497c7b879d2522532d47aee7081adaf4a9e5e8902e9. 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/SE5IB2326175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b8e040c25f6d0a1474dca456626fea477378b0bd7cd180a9c0f6762b35c578. 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/SE5IB2000836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf456dd795174b827e4702e56ab48e878f880bbcf027690f72ab650e33648f48d. 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/SE5IB1900149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4f7ad2f8adbbbb0827cd16ff4660a6c0af11ae40647475e26a2de5916fc9a2. 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/SE5IB1800631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3f6551f0f3d481131ee6ae1f9dd2551ba25d44680e14e932b86fc24e77cb69. 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/SE5IB1600446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e4e258770e30370ae071978dcb29f88edf00f1822f444509b83d18d7b61f6b. 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/SEWDL6141697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05fc69e7a8c3f1fe2e2c91b9203bc269050eddaaa8223351936d5e6c4f6e63b. 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/SEWDL6141700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd183c044c63c6a7bb0b406fe112205e50e2275bb013c63c441a081f53023323. 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/SEWDL6141701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4aed4b0868b40717653bf9720a0214d08c42bd9ba56a757fd1c36b34d971cfc. 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/SEWDL6141698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60f10f5eb2c248ac007342002e19468ff463485b875c98da726549fa956afa8. 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/SE5IB1600461.