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 0xfab506522d64227d99196a759fa19c549b2c4ba5221e3ab273bc996d161dd6da. 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/ddb39bcd-0802-48da-8f7c-80c96187f584.json and https://artists.proofprofile.net/proofs/artist/ddb39bcd-0802-48da-8f7c-80c96187f584.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 0x27c5edd0b1392683809f1d282847ee7fca2ea69dc49d6d2ab9ba519066a2caa1. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T21:23:33Z), 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/QZMEQ2494123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f40a4c9aa8846955183bee85538a8ac19c6a7a3a3f16cbac63877bddfcc3b2. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:10:49Z), 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/QZMEN2312048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87517c269254ddc319c632d44aee28c477bb9f06650ed0288cf3c62fbefc66f0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZK6M2051456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87517c269254ddc319c632d44aee28c477bb9f06650ed0288cf3c62fbefc66f0. 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/QZK6M2051456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1532dc2126c4eacd46dbb033dca02952bc5f4664b34831e8fcffac3e4c7ad64. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T05:31:29Z), 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/QZMER2458577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2c715df40e1ff609a6bfa2203c41e32b6e38624e3fe5346e6c18a2e12489d48. 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/QZMER2460615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb7a26ffaebd7263b515551842a8bcc2a6cdbb96e8a1fd8f5b8cb47152271e0. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:43:31Z), 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/QZZ7T2429016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x047214c1ba0cc0f9be94e6a08c7f5cd60cefe7b738afad2705e6629e48ce4bb4. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/GX8LD2538867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ff77cebb9074f90362716d4479483efe374de5b31bc862d3222177469ab027. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZDA51902668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bcdd03a10ecf1e792f2959b8138e06eabd023bd8a75f731f34544f7757ddd6e. 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/QZFZ32043541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb06d61b4afd463eb040cc790cef7c47152973fd5f5a23905b7cf724baf9734ce. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZFZ42066760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1bf5b73d714a90ac6137fef556cc12f734bd9bfeabb5aca9ae6c913bcffc794. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:42:26Z), 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/QZHNA2073745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d483cc676dd4f9eb224567de7b230dc3d8484f17d49eed5b1626b573f2df15b. 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/QZK6Q2130650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72cf4504b7d4bc94e8549baffc168a46f6910f06cc2c9ab4f10f2de5ed4939cf. 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/QZNJZ2122207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629a5905f38f2bb8aaf866ef1a9a1523a39451adba9e4158e42aa948408aa0e6. 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/QZNJZ2122209.
Quédate - Loammy Bido, Randy SB & Newman Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0ab7f108b3116e94fc7a380fc2533a10a46afa4f85f84295d91dc54c47e262. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-21T17:01:53Z), 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/QZNJZ2122210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc1579b4247e7bb80023848ce2a92562cc739147f81aa5b5a28331db2a7807b. 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/QZNJZ2122211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a8024b064cfff586b98f9f3abe9b7219cb090d49942a532f754f4df1275906. 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/QZTAX2463646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32876495308d96cac4111884ae991d5006948064fafb822bc4c5bd950f87b719. 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/QZDA82450830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb552911990e1fac922f2172409eb4004d4d30b6e2c4de7287d024f4e85726fe4. 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/QZNJZ2122213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc92e5f5626c39eacee6a675f58dce38631ff8a8b8c9a0434233c1cee19cdc97d. 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/QZNJZ2122214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff30e5623f9315768421f5c87ad4ed8b48572cbee826b6b45ac8192d9096f8ce. 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/QZNJZ2122215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367f9eee99bc452d8415271f05daab6e8eab27ef7768b461813db6a15ba962de. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:42:10Z), 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/QZNJZ2294435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cec8c108658cc3f8b07fa8118cc3317925026ae19a5d842b2a2d944473fbfe8. 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/QZW9K2237783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce102e9a8aaed85ade3e9c58cf9586d65de9f6a50e1f86421a2115cf9e040919. 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/QZW9L2213152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70edd0d845bccbe74e3b0960b35ec208c7edf59e0ff839b71da52c9ecf0d86dc. 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/QZW9L2264479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c26072e51b4c6cc3ec9a9373ed9acd19593650b48c6b864cfe7096de78c439. 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/QZGLM2323773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952bea60c8aec6cd00e2b38bc82e42cd581e498386ea47aa05cb7e0d0b2f2cfe. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZWFM2308432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e3b55eaaefd82ea68537ce28ef06094df98995f918b1ea3bb240c28cb9d482. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/QZFZ22433043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32876495308d96cac4111884ae991d5006948064fafb822bc4c5bd950f87b719. 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/QZDA82450830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab8f3fea09aad123d7c4aa94a0c43022098087bec5ef37f43a4fb82ed04ff61. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZWFJ2417639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa90f3e785f6577ae99d5cab7996f063cd5fce4a22cfc4c612612bddaac0d1f92. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:55:22Z), 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/QZWFQ2494779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a1808aa28c3fe81cf0c894cec36f533b1623fd5449a2370532d43b0ac1a10d6. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/QZHN42510485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32681853561b08e65c0ee8f75f6b9a492d6c2b5afe4b172b321f35e0187be4f0. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/QZZ7W2523610.