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 0x3b183d77794e4273231ef2ce462daf10e53da2d63609912293944814690d3d79. 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/860c432b-7c39-4ba3-88d4-586a7179188b.json and https://artists.proofprofile.net/proofs/artist/860c432b-7c39-4ba3-88d4-586a7179188b.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 0x80a786abf6b5051e119d3a08282aa17a9b4081201abe648d3db1ea8c6e2d1dd1. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/BXIV82472855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6fe693fcbfda6cba9c9e433700ecbdfaa0a6895f1ebdcd2af39a7601cbbf70. 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/BXIV82459926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d5e4c5af3aed301525181b63508a3b0eedfc6183842ac83204a04117425aa8a. 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/BXIV82415219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda70c41c1b960f5130be5ce6a2d837f63a71565e4e0dc110f0c5056da42b368f. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/BXIV82468336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1c271eab0874312af6f0274fc153f63daffb3c4738845baacb8c393a3f7eeb6. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/BXIV82498997.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac422afdcbf38bbcc3a01e827fb801fd58ed34e5387e553def5ce96cc967bfe2. 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/BXIV82429644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c04e81a6e39c458bf6274edae774ea9464d0e90dbd4ab46c46cd3160be59335. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/BXIV82448520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf5a5a923b1eac11e1220a423aa4d596c5a178543f587d10305c1d9637a6ea31. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/BXIV82497351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e437ef866a8223cef7ec67932fad365223e972eac9671f68bc657559640435. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/BXIV82494898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d484b117671af0d06b02aa75024d196472157a40f42566ad3c1faa52218ed62. 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/BXIV82461910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e95e73347e1523be22a2e275d19d0579e72137831a9432782905694d5f4e71e. Chain 2 (Bitcoin): anchored in block 960177 (2026-07-30T00:21:01Z), 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/BXIV82478558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21f14158206c7a3d003fe11ee5d431cb8ce4a7fc75890492f0e2d9a6c5900f7. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/BXIV82444411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0df5c834813eb6645cc50bcb8d066e86bac90ff04a877cca8380e0ce6faef4. 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/BXIV82443081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2ec5e3203995262cb913cf337c9f228a46547f005635d4af6f33a44704cddf. 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/BXIV82441198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x523ada1e2b9ca02bce51aa705bc761c663c99a655203ddd281c9776a6835ea94. 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/BXIV82428888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283ed8ead48248b06232e968eaeb8ffaa990f8b913656b48e5833d2f5082f06f. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/BXIV82414322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc766eb63d7dbd6bdd1c7b63d0ad400fcc4eb7717cb85ac96c80d845dd8c74d4a. 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/BXIV82462124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1539c286d9c72e0ed623c65275d7fde03bb41eb3245007e48a903629001519a0. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/BXIV82456813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d3c39033b71f1a6e44d64e0143ae22b783861350f324f9d6c77029529c2cc51. 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/BXIV82491158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3cba9228940b824fe95029cc0be4a33315f76962a9479352d591cf49be4a264. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/BXIV82475097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168419ff6f2ad23ba2e126b173a7dd0386cdf6ea9bdbf681950dbb6dc8aac39b. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/BXIV82449136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fcdddcc5ebb73de1ca534822fa7d0ddc3ced9aaa652d46879e1ce92997d7c4. 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/BXIV82414287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663d14fbc9aed28e99a3385fc9fcae669f89fb51134e5321fcbc529f4c3edaef. 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/BXIV82436734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14bb61597094863b91484ceaea0e5fc63b2c7c14f4a746dd03e8392c1855d460. 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/BXIV82470628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb236ea087a58c2a8b967c1a45005c0aaf1a394a02c5b872faadc856e6cbf84cb. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/BXIV82425553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ea87e9d1846047d599db90999f3a7513333fa43e478a80d06d2e3c6c191d5f. 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/BXIV82447550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa21af1b8d787d7dab7a616d58275820160719899624bbb7199a70c0c09324be5. 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/BXIV82448232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1151342f999b37b5abb951dfec04679cfef14154d7eb5a570f3fbc8cfbb03a72. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), 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/QZW9K2383651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed4b9bb010dbbca699e49783cdd589b92b1f82d9e5dfd9808d4edb89b2f011d. 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/BXIV82372696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fc141ab670cda0e9cd1e12cd2ae386f086bd23eab67e0820c5a9804fd7d63a3. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/BXIV82332107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b2ea268514bde98391d6623664afa84d812ebbf1e30159eecb780936db6c31. 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/BXIV82391281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8119a11ed25bc3f5208a0b60613be15669aea2b36403a0febfc6a081d97efb. 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/BXIV82354210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d694dbc6eb08c61f962e81a00616d1ee8d6c05924a088d5f94b28b0eb246c8d. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/BXIV82316344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31138631fa05e2540a4f5c29c10e1e13891ec9ab38e134c03d1c2dd813217055. 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/BXIV82321938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e35d0f1928713239ab02b58e9bb2b5b1d138ab492f37ea2b061454373541d85. 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/BXIV82378463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4932562815e93d320ce73d6110408272e689eb4aa95f7aae7abb87eefe23f27. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/BXIV82364866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d916e5a8f59ff1106fdfb93b89bfe5220b32618f774da7f78a21ae7679245dd. 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/BXIV82329091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82299e93156c06bc5acccf6d8065f545eadabee65fe87925ba17cde51334782f. 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/BXIV82333836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965a72ed9a17f6f108d71ae360fb9689821a06e1f0638d0bad8a278263865112. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/BXIV82400151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7e1aec42bddfcb07f2d0f3df685c919feee41771b00d31bfefee8a47d518931. 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/GXBAV2548344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ee384e9f4ceaa4b598a6dfa45b1bd621713e6e1a6314dbecf969f9d0d5f22d0. 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/GXBAV2577601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf3e49e8333acf0ea2e93c6862bb590c6ca2d01e0f69beca2d686effdf9c8e9. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/GXBAV2550129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc143071d91aa96359ec07068180fd43de551e01b2ec6fc81304d2d27a9014c4a. 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/QZZ8B2482800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2b62cb090760ab7e0d51e335dfc28366b7d0c89c251f1a04aafedc84c9d0c9. 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/BC6M22404616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc704a64865a9e505c87c76a2bd24885859342e8c35c586c199c6feb742386f0. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/BXIV82400855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0310174de9513d13f791d8a4e4ff23378f12a6475cb3eb0dbc66daba206f8590. 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/BXIV82476458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a777a61280c6e959352e69a0915f6d2de984db1408a23afacd41758b348e8d. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/BXIV82448886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c2763cafd69553a40b869f43d1c16fede0e61502383bce71faa041c06443239. 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/BXIV82443141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5344efb37c02f477fcac795f697474c72d4b910c621a4eddc6af574ff2bbda8c. 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/BXIV82492749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08c85de6374463e7847ec4b1343105e73257e1d5b63e0c99974bdd0257ba7b2. 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/BRSVB2514806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb98439961e075219a07d1d7d01d26972f692eaa7cd051213103116822ce4de69. 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/BRSVB2514198.