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 0xa8becd79aa1ca165a013e053fd04efab4fe61eb2a6d0707649f997dd4c122d77. 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/b9d6e2ec-ab33-4563-bda7-bc1991e90042.json and https://artists.proofprofile.net/proofs/artist/b9d6e2ec-ab33-4563-bda7-bc1991e90042.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 0xdd17d90bb0148555ae2f601fbafe9d86172c31ba06cca6703d22b76c88c83270. 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/TCABO1350519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fc30eafbcb9b7a7604e24bba0c26cd14896d15716e16a50b17f71d5c43c701. 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/TCABO1350523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6509c96fea76658d0dc44e6354f979f8a0c255ee3a0348f48027291909b38f. 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/TCABO1350528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4609f439bbe5185fdc23cd50ce53ec6e29993e9491bab3786bf2d80f51b48093. 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/TCABO1350538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f9c45d9a4c9b7d47f041f6f95dca8d3813d1788c88fb6de0bbcdbfc75ff2cc1. 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/TCABO1350540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fd255175b367fc3ad18e39dd3b6ab98eba12c40744b46efeeb9b4493ea022d. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/TCABO1350531.
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 0xcc996ee31a0fbeede685b7e4b50c9c5d169d0e4aaee9feb7168706a2040569a5. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/TCABO1350533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9931c9e31cc956500e8c62babeb2989ea376fd9317619430208a22656fad8e4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/TCABO1350534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e19378cbc414b49c5e5ed8ebc7800ef2182ca7e64bd542978f52ab20a87c39. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/TCABO1350537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2cb8cf92e0bca08d9aab232e9468188d9719b1cf54f9dc7e02158b4fd36b25. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/TCABO1350539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba3fc599ddf6aa95c8919e5feb7d44ecc0f47b233a3b34c085c3fb64d5db42ca. 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/QZ4JJ1804091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1896a8f8eadeb7c891962842b761e21f3e2f0a4c1a340df40700905448bae6a. 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/QZ4JJ1804092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ef6a54d13c9df21f24f428114da479e7b1c4fd97d573c2f51ef2d144b8d2ba. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZ4JJ1804097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a9bf421ba631146a4416ef55be4b99ccae38b2a8ff7c7089d103991ccceafc3. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/QZ4JJ1804093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0527c5e789c565085bf1b0919e4aeaba4bc7aebfacd006d2603039ef33dc92df. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QZ4JJ1804094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90bf00c719a4ca1dfd2c461bdc9633139fac73c5b384ca8fdd99aa49198dc172. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/QZ4JJ1804095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51296ef237e69bcf58ff1b5f912e9dc369d1ec5b482d3fbcd9b6bc46fb5ee773. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZ4JJ1804096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b65055d01ef4f7ae3d1b2d48e8e2a8c4b3e1586728b4002ffc496195db39aa. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZTBB2435030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf8eea4b4bc0e736996e184357efd9b5c6a744fa2f71bb88c52ac9322ef393f9. 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/AUNGV1700672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83e5c73acdfb7b9fa23b4a1e61de82b1eb30fd1ec68b5b43a0261175f5c50804. 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/QZPLS2414857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7f6f52cffc276b3fc460a37b4484d82d0a10660f9a88c9338b886ade80754d8. 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/AUNGV1700655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709fe6e2f1b72d477b7520e640f1526127653d60c4d6157c241251d97216a043. 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/AUNGV1700651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9cee8930b7c9379100f13c664f54b6eb10c2728a013e805a8953de0ef58e5b3. 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/QZK6J2451566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ccf7df780ebc5e527b5512335b78764b64ebe85e79abe1afbd85bc34c400ff4. 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/QZK6J2428155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd6a35b7999e1ab5fa320d3286dd2e21373a657ab1af2ff476e4e328d43457f. 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/QZHNB2421086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70dec5d1403c4f278a623a897a84ab075c0c2e94f90c91ef5c731073de028dce. 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/QZHN52489240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69341ddb478a91080107e2f79c1135a19bb5a3cbedd306ffc52242348b64b5b2. 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/QZHN62431417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2e709d6e059a8620a3400cf9bcaa5d844a6c937cad9531407264e1ab78de7f2. 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/QZHN32466985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4def9b3f78ee14eece8554aef356132339234e322c089a49ffecf2d9f630f5a8. 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/QZES52472742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6eb9c34dfd4f3da3383dea64e8404274ede2ea7a3f19f4a0891ab272e20932b. 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/QZFZ62467950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e7455f3fb683f0315ac8dcd9e1dfb363b7f8ccf92b218e9cd98165b57cbabfa. 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/QZFZ62488404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72dd58baf38a36fb39ceb2e4af411996d2d3e9f247389d008124801d89580faa. 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/QZFZ32407160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef5242806ccbf531f4c9f999038b3f40048ffc8b8f0b2ae93a6359fad04a23f9. 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/AUNGV1700645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b206c834403f9b67cb3402e0f67f7fedc041c6cd3f251ee507310c086b15156. 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/QZWFH2348537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4760f396cb6a35b55b95b13db387f7db835140e7291a406c712306c5912b8894. 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/QZRP52329929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ff0cf64d408fad375c3453133dde0118ff04b8a84f0fab828d1699fd43feb2. 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/QZK6G2376116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1526471239c2c8fbf2b2094f88fb9c1cbbcb4c03a189bd1622fdd37411eff6. 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/QZFZ72361982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c76a09cf86223ffdd34322ac625bea0e684879fad687b670f7d4e73a57f0657. 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/QZNWV2213089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7f82be2d415a8e1b0a23c4d0255aa3b638cf8a918620307e4860da3f3da3553. 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/QZHN82282913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e81231da4b93a9cc2551f63ba7c8eab3f751c397639c5cd3c7a0209530721eb. 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/QZNWY2175403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x739a10e8cd2cc1846f01cba8e823b49566e47c67ec0e11305e88539d2797ab43. 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/QZNWT2161583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfe7c47ed489352267a07db45f3d389f115b06f4cefb6155297b83b9845b857. 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/QZES82123305.