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 0xe1c36f7dc8d71c51bb7b9625228f81ac0e91786d16b22a0d19b0c7285463dada. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e51048e1-5123-4fa0-bdc4-c3434a292342.json and https://artists.proofprofile.net/proofs/artist/e51048e1-5123-4fa0-bdc4-c3434a292342.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Polkas Polkas Bailes Mexicanos (Instrumental)
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 0x92a0efd1f41376ce2b71704ffc119ec93b3561fde651b283ba9a96b1a6a6a482. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/MXF365301541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8b692b4553af3abae4346939fa05b89752b4717e3f9f4c8519fb04a35a164bc. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:33:08Z), 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/MXF365905606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b9980eb0bc972c8df5839689d443621f0bf4bf27182272f3acb91c35a794e66. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/MXF365905609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0f4e2c424072e9e7d68397da77c4173ae919e1df1959c63e9316a68d2ea5f21. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/MXF365905608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x760a8a0dc21b4dbec1598a69d83c5d99bcbf36143d5062e4443f688ceb0b3b09. 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/MXF365905610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58031f94e668d1a035b0e7e621da9801f1da5109d9d073a14a9aca5c870539cd. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:11:17Z), 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/MXF365905612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb02d411ca5d0743e1bb175ee946f9c0b8ba00cb3a01b149c5db54adb58c19371. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/MXF365905604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf71c02744c15a537daec04fc244be1a7d3748aa4559b7953b2a8cbb0b1abca1. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/MXF365703732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb0d2d590f727bd35ece5a3b84f1073ab5c9add9188a1e7b4a5ef3bb1f0b66a. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:30:29Z), 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/USA561026210.
Valses Mexicanos Con El Mariachi México - Feria Mexicana
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631db0c5cb847957605c0ce376c3a4d57ccfcd21f9efb9a1a40bb04774590d7d. 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/MXF550601665.
Colección de Oro del Folklore Mexicano Vol. 1 Guadalajara
Colección de Oro del Folklore Mexicano Vol. 3 Pompas Ricas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143c7555fc382df9a305ce766c0af25845b4ff5c749260bf9753839e1cce233d. 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/MXF365603356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5339892ebb224c99dc55485862d2b6a01376c84d4d374ccb51a64cb20c38f60. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/MXF550513335.
Como quien pierde una estrella - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x492f4a887cd16c618ef4499adffa6d43b2bb2b70b554f25416e06080eb5a7854. 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/MXF550513336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec24757b1f636ca65a74c3c98f4cb64dfb6c71f944a50f97bf526311539e96a3. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/MXF550513337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc779ebe90eae40e96e08aab909ad6e0a56af8d6f1978fd82c1c7a38a530b1799. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/MXF550513338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8006b5ea522e2bfacf14348ee1cb26bf20d5af963e1aba1c1e79a59fe67ba93. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/MXF550513339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c88a773226215b08ed8995f1959802fa832bbc48f8a0ec53d2a1db6d5bde923. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/MXF550513340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3455ec9c56eb02a36afad13dd427b1e8559afabf676f29be99f8fcba6bc2cc. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:02:08Z), 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/MXF550513341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf42e5114fbf90a1af6ad84dec6ef696d5c27514ab92b75ec992a6e824a55b0. 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/MXF550513342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b06a2322d7b5c86964be9c3fe3cfc0ce08ac955417a2f1f72880fe12e5f88c4. 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/MXF550513343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1964503c36381bfe9ec354de7a658175180e5cfb6f67154592480734a3989af. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/MXF550513344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761af89283a3ce845f2508c970b88052fc18fb85883c65a74aaec2da2c38b3de. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/MXF550513345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1612da82469f44f4feddb1e9fd3bb238f6334bcb8a124b01b36710453bfdaa. 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/MXF550513346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc21b796624e3b33215a172fc437b9b7d64c4aacc286e850a22d66338064506e. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/MXF550513348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280e301070770bfa0f03ba2e320fed272178afeb1b7018d14f73b59938dc94e0. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/MXF550513349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc191194b22c525157f94ec86f5ceec7ff5bbb9d22589902d38723a6ebae7e8. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/MXF550513350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0414c82897bbca7097bfa24ff2ed6ffe19af2fe628e6471d12c4cec7907b487. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T02:01:13Z), 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/MXF550513351.
Colección De Oro: Lo Mejor del Mariachi, Vol. 3
Colección De Oro: Lo Mejor Del Mariachi, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ceea9d13ca9ad33e6c7a0f363a494a3c1c11533fe07825e3f066d99e97c6e6e. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/QMFME1496509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb52865eef61034f78c8cf53c1c57eff530a78160aa601eecfd1a45e58f07949d. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/QMFME1496492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec88fc55ec636c934853ee144c5883050a9937eb45ca362f7d95eb70b8eaab39. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QMFME1496493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e3ccc3821a879d65e4edf9dada0fa71a5d0ee1450c5eaea7205dd7d29732057. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QMFME1496495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c6f93e7ec5ba6b2186002c35d77803b28a2c3dbaab9c691d09ddf510914c97. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T10:50:07Z), 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/QMFME1496497.
20 Clásicas Con Mariachi: Flor de Mexico, La Malaguena, Y Mas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f8a865a8211f81cea2dba16636fae7b13283eefaa66e9ce363b3fe002179b7. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:19:47Z), 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/US9CY1301300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffde6e75250ba40b79edf2b28f9065be4d05664764fb8e7ce7337814cadc36d4. 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/ARA821000296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f662215ac8565e48075201b2041908014a675e532ced6c5aab338ffc9bb5b9. 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/AR2RQ1300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde9bb6bb057165e14be67bf3220ffe863be7ee58f058249f207882b18799fa5f. 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/US9CY1301153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7f0f764e27a4651d75bd8c87ced4c7df7c13c86b099d5ce5861a2f2bba5dd2a. 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/US9CY1400332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeef4374a35f12afae6d547856a1ec95898a13c299cfc1c677abb12522e90a2a. 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/ARA821000292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256dd08d4b81b474fb58247db8ecf53ba6ecf9850157f801b1dd79fd1555b98b. 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/ITS040300483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3bdf30592b94786d2cb98156e9b2e2bac7feb5284e40bd35b2b4f4a1b9ec262. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:35:46Z), 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/US9CY1301303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfcdb8c147f809056cc496d90734558c1e8f3f9a9da9042eb66992f8bf561113. 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/US9CY1301302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407d37b9e952f713587d3edad221b04fff7ed0471d15a8d3acbd306627603bb5. 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/ARA821000298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbb74031bfcb225cf23fcaba081b15002dfc8daefc16f4972ec42cd87f0dddc3. 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/AR2RQ1300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc55286ab183a36eec79c7f45ee5185f1c548f898fe5f7d0035125ee32058563. 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/ARA821000299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1c6d038574533e3a8381b5e1870e997e7d73407fc9a06a4c62561388d247c2. 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/ARA821000287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6068681357f4c7972db6fd7b5cfe81b846abd9e2c6fde22d65c3ea50de4116a5. 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/USA561368640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb100e2744c6617eaf6a079a9096ba535be330332e063910dc7fb5df3a5c67770. 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/US9CY1400329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e599172be892d33f1eb20356af4f62acf198e67b668560166e31af3c23ebe76. 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/US9CY1400334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30c821659d54cd2d32706603721bfcaa4de1e4e978156184cd986d02196b2c5a. 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/ARA821000295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x247e454360e204e642778001aeb99c04de9bd0efff0e2fef10a86db7a0f3853e. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR80T1100527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ea00b7cf11667d2e03731b3c2ddf07144cda1655e046566df7dd592ef3b429. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/CAM460405553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e84373a729825adabcc764b767bd0245b17c74c2fbf6e26dfea93678ea788f. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/MXD781801437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e79741374eadcc95ba774cd09cad087946f8ec4839e63fdab35c1d0c7b9562. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-19T22:45:11Z), 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/MXD781801440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836a457ab9d2d3444aba509865e42a106e7b5f6f5133e1bdfdef3b27afed6fd7. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T11:30:05Z), 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/MXD781801441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa936fedbd2d9d7d3c00402dae21e6ba37ce801bc365645dc4246b1e3c7f433e4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USDXS1801935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9da3de38130e288e6aaf6230529832999f867936ea46fb576bdc02709718178. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T15:27:48Z), 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/USDXS1801936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ff9d06339eab03441fce45869dca38b8999a4cd48d2a05c98f4f72df504f04. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:23:09Z), 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/USDXS1801940.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f0899598dcd4ae9b7521b53ea748a575800388f64d95da8d7a1c67841e0505c. 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/CA5KR2211187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb309f4f9c8a38bb6d30dac108759c19055216513d8dfe53c88a1ef799b81c736. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:53:42Z), 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/USA2P2514734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54ce2bfc140fb0c90201212843a2ce2b0c665bde201cab2419dbe1898852a8bb. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T19:00:29Z), 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/USA2P2514737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2adb0bb6b2ba0967b4ab36404cf5bfe30578eeb0982c455d34ae9e3fb080402. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2514741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2326be3831361fd29b55b2a389947f4fab494e23088137a5fc6d724f2204ebc. 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/MXF550700645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dda3a5a2bc0d3fb4bb67cbb12fe835889d9becd8339231126f84dc5d61ff5d1. 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/MXF550700647.
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