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 0xde3ce1312eac70e80d8ae408cda8eafbde26271db886b78b458efacee09145a5. 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/a6dc96a1-1895-4022-bcb7-e379b3b8bb4d.json and https://artists.proofprofile.net/proofs/artist/a6dc96a1-1895-4022-bcb7-e379b3b8bb4d.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 0x8a9287af2279452fa31436bb062cd4a7f2bc9f01321dc85c807c76e1db32e46a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/MXF368729361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51cfe81aac23ea6557cd9a0e8f7780ee0341e18a7667ec8e98b764be3209e9cf. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/MXF368729364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70be9437e51bb41a149a88592c10a4dfd02e5e21ba7f3286d32534df4f86d65f. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/MXF366814224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92210c10e5d1e35b8643bbee09bbc130854ec620859f7221bcd307867315207. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/MXF366611424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x260069aea75794f4ad4b0b5a96125c628b582c01576e6544b3f9efe6a7a1d2c9. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T17:49:49Z), 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/MXF366611680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbca5105e144efe61c46a9b81c185aa9cb3840880359fc3f72e45073eba4eb0. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF366713032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce2179054835941b04795bd7dfbc9bac84fb529c9eeb54f02c00e460ca4db19. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/MXF366712878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15f1246fe38f52b80f9f4d73e37594cca1ef333115ba5203ebd91f36e02bc6eb. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/MXF366712923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3477b3161918475bb806d93bae486ca615603b0abb0cca943605bd40bc3db686. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:30:53Z), 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/MXF366713202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbca5105e144efe61c46a9b81c185aa9cb3840880359fc3f72e45073eba4eb0. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/MXF366713032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44769ac9cd2182da03c9b0ed8d17158244f0632db6f0a54f6f4645d07eedfc20. Chain 2 (Bitcoin): anchored in block 956426 (2026-07-03T01:37:49Z), 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/MXF366611347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87281856bbf4979192512ad6a61ac797b59bbaabb0ec58f5b57de8d4db6b5b90. 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/MXF366712954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708660d53e0008242e32bf8d608da2ce741ef3ef0821d90b46bea9d71084e914. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/MXF366713023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7138bc858b9daacd17df43f9b3ac55155bdd683cb04dc31459d79a7f7d8f9d48. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/MXF366713031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3704d6519791a73e24841b36234e2e86dd85b41b3414d182854d5b069f301e7d. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/MXF366914859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80809891b41408502963c08a2ed70f2354a12221e1d470df9238efb92a5e10a2. 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/MXF368528179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13eca2c7a0562869ab729c77d9bfe0643596c3b1ee58165b0ed4b251793504f3. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/MXF368528170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb26bfe7657ab94f4e7498a72a732e9ba07ccb3fa3b491b28e9b7ab58d552310. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/MXF368427706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212e43992bd26c15b4fc4b238d7a111ce7578788786c8128573acf015315e5d2. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USDXS1805039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d65b7b95ffc0fe8873bd4a0934386dd3245a8230e76319fe9df4cba6ca23bff. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/MXF366713022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd33dd0ad92f1185fc6437e3a6c02e08ba7e025f4372c66ae77e1c2808aef19fe. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:36:13Z), 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/MXF366712912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc062f48c92ed66b9f309d8a526978129d4c7ec7f9b4f5d40e3bff0432a44582. 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/MXF366713024.
Joyas Musicales, Vol. 1: Para Santa Marta
Mike Laure Coleccion De Oro, Vol. 1 - Tiburon A La Vista
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba32b50cfc01dc63ce8c82d1e6a4959d906b0bde1c43757af50113602ed08d37. Chain 2 (Bitcoin): anchored in block 958351 (2026-07-17T02:38:05Z), 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/MXF366510876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7b0421f3a5793e727540404fc5318fbb6c259c812f1bce532cf12e88a64de8. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/MXF366713207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c347cfd6ede6911fe8b96ae1104bf2e0773360495dbb3a81051a82a5146e6c5. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/MXF366510535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa80bf76b0318c2596a039e1d2be0ce308ca1369a32353caacda67f674ce824c. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/MXF366510545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a3c99fca3c437cb2e8516ba3794af09dfb58c60374d94220272cbb33cf76b91. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/MXF366511235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5582158fcb04aa30644d3621e04a79c9d9b7814ada56c0151e37c37a758c09a4. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/MXF366611626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5de186f5ed4b0b23e2b5845ca312bdff97909c88d2e83e16568b870a893d99. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/MXF366510536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x417e37f59d034549d2e8f5f011c3191a60d1bcff4adcea5813a7b0ee88796361. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/MXF366510543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59eafac336aae02f2150fd5ad413e3f0adb3995e1c3f24cec7223d90cb3b1d08. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/MXF366611451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3477b3161918475bb806d93bae486ca615603b0abb0cca943605bd40bc3db686. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/MXF366713202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb19e779e99cffb0557dc8166fb6a44442b9db7e84dc799cf62f86e317e60704d. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/MXF366510537.
Mike Laure Coleccion De Oro, Vol. 3 - Cosecha De Mujeres
Mike Laure Coleccion De Oro, Vol. 2 - Cero 39
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa271316930b9b5877f41d4f3cf1cf14be9d508e0feccb839cc5b02cb21d82f24. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZHZ42033813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15cbbeb7603a92b487ae8e67d967425c1e8915c78afc9aa4956de8cbfbfc7803. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/MXD941804052.