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 0x8d14174f7fecb19d7dbda850cd153f1f0b901b4927f43dc3f8e56ee93ba466a9. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b943b17-a5b9-4b8e-ba39-e0565526dda4.json and https://artists.proofprofile.net/proofs/artist/4b943b17-a5b9-4b8e-ba39-e0565526dda4.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 0x6ba75f692bf19a296f0cc2d45b68c913c44a893a32a7a061ffe7e216fbae27d6. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USANG2096325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x928b81442c31510b6dc22f033495a82c0941bc83328fa547e4a842e05015e9a2. 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/US3DF2009763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ae884ec5d0f5f41fe77b00019561461480f22e78efadcbff2a7d440d660859. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/US3DF2012134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f93b9b557693ab1a915bbc832cefd0d2155c984707e913d2f0fab2a676a56d2. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/USANG2095644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e546870dae877a2ab87a82fb899daf1e119e6ef4c6a22ae07197db6a4f4bae. 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/US3DF2012137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd318640bd7001c2fac5025c4631506f6560de438a4a1c2a874cc345c5b28a47c. 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/US3DF2012138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95de46a6a43ed7bd6c1058cde8d1e40e9bc8645005041188cba2411cce49cd56. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/US3DF2012140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107af8f7df338c88402595d620f72a0b389f7c5779a6e4e66246d584b5a8951b. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/US3DF2012141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016872f514a1ae585b9af02e46746ea316d3ec05c00f90869cd27574e411f209. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/US3DF2012149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x825a75b3b78776d049cbe2589db81f489e4e85ff08c9cd7baf63496ea3b4f6d7. 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/US3DF2012157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc6bcf88cc93a7d8c3e6108cf68ed7b7f415f94b48ac997ab12375120604d9c2. 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/US3DF2012159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e2d6a9a057194205158dca0aa143726b1ac9d5a1fc42b4a0d6880f2b31b184. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/US3DF2012163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ce78c57d42ab73bc777793836e743414e3fa36ad59d464952b1f3fa1ff72e53. 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/US3DF2012165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fe9d69d98f1f531e778bc36bfdcdad64142a4aeb2fc6a423160229502e6a6c. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/US3DF2012170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b2d51c9006d74b41dbb692781e9a9f5398c095260211e7ed8de179e3672b9ba. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/US3DF2012172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a1851d81fef3b5debc948d34cb082c1c70efe6793c539b0e5f5a23e49783df. 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/US3DF2012175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe33b9042b514c1bd5662d6449e0c13a9beaacfe3f1156202691a586e0e2e0995. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/USANG2001613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c69fe81be268825e29f828ef7ac01f892f7500e30dc5e406da807fa054001b. 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/QM3DF2002041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf17f0cc9b3b015a62519bc129045b3d6c3acfdc52e7e68cfdfbb1407d51d1e4. 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/US3DF2072464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba1a6ba13bf5e0d9c1e360ca38274111e1269c37dbfc0e413dbee8821bf8107. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/US3DF2072468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8da067c282395f2703c8eab547088d05e826ebe5349770e1c532dfc595a61e88. 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/USANG2001561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba9a324cc3adc91eae428af845748ba8d30443a8bb02107b2b2d167beabcd20. 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/US3DF2072472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f9d53077a2a612751525f728b7d355a5ff136b2b26c73ead49f03167a0a1d90. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/US3DF2072473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ae6697f794d32ad26a3a3f1e9f0f0a27fce081a071e850e9ca6cfe4f8018899. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/USANG2001875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49603269d6f6fc00308a18c65681ca411aa34ee0abbc2e6935b69eff2dade13e. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/US3DF2072476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x963ef0dd82bd7dc74d4d6619f6b4ed0f0140443d10fa4390532532343ebd7c7f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/US3DF2072563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7762278bf4a29e13056baf3e4b7b36df2c1d7b34862ff0d786de4cf9fb99fe4. 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/US3DF2072565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d411353e1d954826bc943334e22447669126579e10e0d01315a8803a6fcb7c. 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/USANG2001570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x246a011aaea09aeb83a976b1f3ece391880b816e2685129918dfc0dba80bdd3c. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/US3DF2072593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a32a28b229eae3fa6f591a39431c60876d7abc9cc21740d8f4e6e04236fe66. 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/US3DF2072615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1836348d23b0d3ca3a29f315d49f06e04f46963711b143d61f042f8e8199d67. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/US3DF2072626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cbffc0a9d7e4f7640bedf87b88fec596d34815d18d1129afe317b0b93d8c266. 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/US3DF2072630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58099a1d6e2cdea3c5d6a64a52418de9748070c4b86f6bb1fdb1482223fb730. 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/US3DF2072631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8932bed5ccedd1e15fa7eccaa1a630a246b057dd6fa250043ec199e688ff5553. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/US3DF2072633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f426cb150dbced0239f8aa662c8cdc2415c964201c9813693c16b8f76a80b5e. 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/US3DF2072635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f413daa76ab7adf04c459ed4b764b8e80f174eeeb49a6bc0c70d6d398db43d. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/US3DF2072638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b90d37683dd2d9e52b86ed147c20d2dd01aa9d77b9d8d826d5e9b29014d8baf. 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/US3DF2072641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0137f5bb2cda382f11618441cce48895ee5995acae26b675f141cc6da1f3ab8a. 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/US3DF2072646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc0a7409987cdd3708a34960d28f1b19d2f1fbb7867db782e047f77860db10bc. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/US3DF2072668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69a9ef0dd9bd1f9f59890d3f97441f66f914f1da09950a77368f9757db281022. 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/US3DF2072674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b6aeaa802c97a06981f05e7e63395261946d67125230f10381bb6617f4d90a. 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/US3DF2072676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fe8d60ca8f99472e777bac60ce5f94405ffa61710c1c0258404cbf7b1c488f. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/US3DF2009760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ae6697f794d32ad26a3a3f1e9f0f0a27fce081a071e850e9ca6cfe4f8018899. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USANG2001875.