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 0xf1365d72db92e897bceff4d0f1cb0e3673a19687595a76ff8054fff0ce582a71. 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/45345288-d14e-427c-9d6e-277cc99b36c8.json and https://artists.proofprofile.net/proofs/artist/45345288-d14e-427c-9d6e-277cc99b36c8.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 0x9070b9452ec5a3ac6efbe77f4f1d69270efbda7fdaf9bf7c6157b84163b2d956. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA062222417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4502c0a876aef4d84406ac9e0d1c1c400c2169d5a137081566eb2e581238242c. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T03:51:05Z), 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/QZTB52248023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d94cf4290f4411d7b83e2e5a24359e033b903b593a0f46b54fd3e995479c83. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T02:14:33Z), 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/QZFYX2330375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2264faefdb78632830cbcf8907f2f0c8e49ada4792be58a639a6744136307227. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/QZFYX2330376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x583bbd2d5c98372eac85cd985c80e05ea4a3742341bb657b7e63e679f3a9c4d1. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/QZHN82316015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb451b511daf810c4c9d821af5bfec1b8c3c556c1172d5b457ee5c1d1fbe91b96. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/QZHNB2399580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e6ef1c2609b91d3a33d79ec8a7749de2bf0994bcee09594522892f8f1b80aa9. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QMBZ92326963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e1e14ee38926e41577e8fac7a74bb187b73dbd99518b8f46cd60d3a0b8c527e. Chain 2 (Bitcoin): anchored in block 956425 (2026-07-03T01:28:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72384185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75669efab9522bc5abc3a01a77e77943e548083a4a4d0ae7f719d44a40311a7b. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QMDA72384187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6cf791b95e1fbdd9426d7a36d709dfc7f931f7ba06ccf601270b24ce36c644d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QMFMF2313037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb131f3a3fd99144920b9c876fa763adec800cb7381e28db94b2b3103116cc2f. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/QZDA62485746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851d753eb43ab55ec6e52b5c7bec4e0d8d41987f814d7883fcc3f9c9cf62e8a2. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZDA62485747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218f94ee4378ec3e0e83f26e11dd60708f0a1a9f9669a298e77019414ca38ef4. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QZDA62485748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612f0aeffc20ec9589d9b4f75edfea86eb73c195fa36d0702ee2f005e6351160. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/QZHN32454093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0f2607874d4a4ba80d808b8db4b77d8c50be8ef06e733abbb43d48aedb7303. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32415502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07144360473ec6a55b238ef75a22bbee08c0e93d88ba7265414be943ad3e6c65. Chain 2 (Bitcoin): anchored in block 959071 (2026-07-21T22:56:27Z), 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/QM6MZ2407859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d858c6e6307db308600f77dbedc9043d4f9f2a67ea54fb006e1fd45e0e2825c. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QZK6H2402934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb44e05fb30db8be128eb2ec63892828282ce7a58e3445212e81516b580100cce. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWR2499804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26221c7e728c6b87134cc04a655cd00b019137242b4842699d95717903f8cb3c. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/QZNWW2481155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc88d06fc3f225960f5bb751beb7707c4d4f762c49923033ee74682ff03370e4a. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZNWW2481156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2544e266a6dd55f95c11b4273f218158367d4d42dc689c32e2e1fa388990eb. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2446873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1197f657434a126dfcba21794ee516d5db73c639461eb7bfbec41e347c37e6f. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZTAU2446874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f42a5bb3259b794e7acd612e60205326ca2b81344bf1ff07f435ab785248f85. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZTAX2461136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3925ff2f51f15f54bbf0357df25258eee4f45ac01055c35e6300e75ea20ca9f. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/QZTAX2458441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b73614df1276e486b0dc840098b961e08fa34f4495bd49b5a128a0a7a556e1b. 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/QZTB32477368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe972209b13fa9b281f5bef9a9317e5494b822ebfddd638bf9dbe184fea37fd. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZTB32477369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7648d75fde481ba495318499624dd1cbb1cc3809a16fb4793081e794147d7fc1. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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/QZWFJ2471949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b02f1f1ae25abeafe32efcf24b3bef1865c35918f62d60d451c57c2506c729. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/QZWFJ2471950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc82765e56157ea664a7b09277349da788ff2b5008a3a1b6ea54a3e1111198de. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/CA5KR2501781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa094538c475118bfe4102c2028be013d7a3acc8446ab4ca7954af96c5877e973. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/CA5KR2506005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc1cdfa5ab5a8fc5a5f6e212e90a27af69c685096f3ab6ee0dd0e72c62f00b19. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/CA5KR2506006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a8a6661822e9d05b6937c141c4f68281b4dcc930274ab66e59d447152f395aa. Chain 2 (Bitcoin): anchored in block 956430 (2026-07-03T02:22:42Z), 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/QZDA52515755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac31dfd41594d385d01679820c2ed4910ad6b8f1249f6cc4b36e26b60c8f737. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/US3DF2515211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32e02138f4074b2f45a1945f387af7f73df691b7d0f276cb36d6403a761d5a7d. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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/US3DF2515213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c4288f80497e2710d07dc8071ed8b6b6e9c24432a43e467ff5413b4e544dbe. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/US3DF2515212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc31881f3258d164cd21aa00f431e1143f22ededcd82cf39b207e9441218cace. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZHN92503754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85516dfce76afa6e9ddd4fef7a587566989a5f41a95f85f3c5deae061ca22a20. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/QM6MZ2550972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x951e3e986b218ad6df6ef015b8e712a5ff4841a19de97da0f2f55eec8dd79389. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QM6MZ2590689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9509f1d0d9e0de2879e87daa9e6c65c18eed196da0e6b89d21bf1ebb7fc8d206. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QM6MZ2590581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f8d0b2226fc454af6f6976794733f9bfe260afb1d4313d8d9ad4a5b5f5531d. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QMDA62536897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd161cece8dda6e75ee25885184b2fdc381dac8aa7bab6374db9c9c9291f6daaa. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZWFN2516884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfa6626382d057fd0e66864398736e286b4ef9684fb190ac5956312b371dcc51. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7N2575200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b9b51e9556f1a01043aa2fe978ed1b6abf4aafd194c1867255a53a248192469. 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/QZZ7T2574255.