1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xaec7d9d2d645a51f8132d6155ea462a13773c95dd5628674eb192f552fde0496. 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/a3cabf40-29e4-4004-99ad-2f1a77b7570b.json and https://artists.proofprofile.net/proofs/artist/a3cabf40-29e4-4004-99ad-2f1a77b7570b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd21860d266fe623b8bdc6354ac8a3e24032541215eae0e6f4ab1eaa0e67bdedc","isrc":"TCAEY2028117","name":"Bigger Everyday","registered_at":"2026-06-09T09:51:41Z","spotify_id":"1lJMtQ4Ewrt5SsAAY1knRs","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd21860d266fe623b8bdc6354ac8a3e24032541215eae0e6f4ab1eaa0e67bdedc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1lJMtQ4Ewrt5SsAAY1knRs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1lJMtQ4Ewrt5SsAAY1knRs.
{"copyright_id":"0xbe6e0cea6f33cfd04a8da0b0c52382e605d8d3b7d08b110bd258d44c7496341a","isrc":"QZQ4X2400167","name":"E Dey Flow","registered_at":"2026-06-01T23:12:31Z","spotify_id":"7BvQTLZXj9XDG9BZnGLZtO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe6e0cea6f33cfd04a8da0b0c52382e605d8d3b7d08b110bd258d44c7496341a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7BvQTLZXj9XDG9BZnGLZtO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7BvQTLZXj9XDG9BZnGLZtO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bfd9d434baf63a506b63bca90040dd8db7f72ed2711fbb853d83b256747f497. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2l43vVH3G9IBxNx2H0c8Xe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2l43vVH3G9IBxNx2H0c8Xe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x259c52e9c6d3a693acf68c9c85f82924b1f82d7f48103c1fc86d043ce7253f7b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Mqg93HhaXjlL4X29Ii5Ha.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Mqg93HhaXjlL4X29Ii5Ha.
{"copyright_id":"0x259c52e9c6d3a693acf68c9c85f82924b1f82d7f48103c1fc86d043ce7253f7b","isrc":"QMDA72376856","name":"LWYD - Moses Bliss Remix","registered_at":"2026-06-10T20:04:27Z","spotify_id":"7hH8kin5Fd6mpuRbpkL0pJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x259c52e9c6d3a693acf68c9c85f82924b1f82d7f48103c1fc86d043ce7253f7b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hH8kin5Fd6mpuRbpkL0pJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hH8kin5Fd6mpuRbpkL0pJ.
{"copyright_id":"0x5d4d91e0254f5559db16e276a4f4d05c8960f3f0f158361102b0af52b9875c0f","isrc":"TCAHF2318196","name":"Daddy Wey Dey Pamper - Gbedu Version","registered_at":"2026-06-11T02:10:42Z","spotify_id":"1TL5gkcrDrX5sOdNOzmCQ6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d4d91e0254f5559db16e276a4f4d05c8960f3f0f158361102b0af52b9875c0f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1TL5gkcrDrX5sOdNOzmCQ6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1TL5gkcrDrX5sOdNOzmCQ6.
Song of Praise - Festizie & Moses Bliss Remix
{"copyright_id":"0xa6fe364b6516eeb03dfa2e3948781028c7acd442e81c05b0f1291b5ab66c6e71","isrc":"QZTV32290488","name":"Song of Praise - Festizie & Moses Bliss Remix","registered_at":"2026-06-09T19:37:02Z","spotify_id":"4bXXVZDgTNSU7EIzjCs0Ao","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6fe364b6516eeb03dfa2e3948781028c7acd442e81c05b0f1291b5ab66c6e71. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4bXXVZDgTNSU7EIzjCs0Ao.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4bXXVZDgTNSU7EIzjCs0Ao.
{"copyright_id":"0x15b6eddc0fc157a81a48563bd6bc4d0e3b977d0067a701ec565d596bcc13b3cd","isrc":"QZZEC2322996","name":"You Are Great","registered_at":"2026-06-01T15:49:45Z","spotify_id":"0JgTmcVrSqq4dbfmlRSixK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b6eddc0fc157a81a48563bd6bc4d0e3b977d0067a701ec565d596bcc13b3cd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0JgTmcVrSqq4dbfmlRSixK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0JgTmcVrSqq4dbfmlRSixK.
{"copyright_id":"0xb46b0cee9205fb0b30463c28ea5046bf4b2ff7480e735fa829ccb9eedeed9d01","isrc":"QZWDE2249729","name":"Miracle No Dey Tire Jesus","registered_at":"2026-06-04T06:03:33Z","spotify_id":"4BdSQteqYNDGU8oD487KEU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb46b0cee9205fb0b30463c28ea5046bf4b2ff7480e735fa829ccb9eedeed9d01. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4BdSQteqYNDGU8oD487KEU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4BdSQteqYNDGU8oD487KEU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc3709bb340275bf2aeabe992d70a4d0524ae57403c77f6cd270d69e9ec9ff6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RWGw0Q3JA9gYtBcor4UQy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RWGw0Q3JA9gYtBcor4UQy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x542c8b0ce45fd6f32c001f01d90051133a2072da8676bff61047cd0f9f3c1587. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Q9ouTofloU1UlXnePlB58.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Q9ouTofloU1UlXnePlB58.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc6d8b720a55c2fef1ba3557798eb0bbe0f50b7c2c1c2d789402c6f5f099587b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jdeJiC74gkk4C2xienh6i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jdeJiC74gkk4C2xienh6i.
{"copyright_id":"0xef7657216b5457deaf487e85ce3a14ec7417d47bbb372a1ae4f9c13d63f2d806","isrc":"QZ5FN2416959","name":"Darling Jesus - Special Version","registered_at":"2026-06-06T05:42:10Z","spotify_id":"5KzsS5i3EVocEZGCX0vLkU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef7657216b5457deaf487e85ce3a14ec7417d47bbb372a1ae4f9c13d63f2d806. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KzsS5i3EVocEZGCX0vLkU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KzsS5i3EVocEZGCX0vLkU.
{"copyright_id":"0x970d6bbe1e33ee9e1df5cd11fe75cd2f0261cd6bb46d78badf54f603bf15ee13","isrc":"NGA602100547","name":"Wahala for Who No Get Jesus - Remix","registered_at":"2026-06-11T14:14:01Z","spotify_id":"5kFfYrYZZu8RMVQTJn5nk8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x970d6bbe1e33ee9e1df5cd11fe75cd2f0261cd6bb46d78badf54f603bf15ee13. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5kFfYrYZZu8RMVQTJn5nk8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5kFfYrYZZu8RMVQTJn5nk8.
{"copyright_id":"0xc42954b5c6e219cd40f58a50f18d66e1eab54f0ea6f9fcdd7090103c4fa8feeb","isrc":"GBWUL2153364","name":"Great Is Thy Faithfullness","registered_at":"2026-06-18T04:22:41Z","spotify_id":"1yhG3eKzZTfaVhhpTjgz0X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42954b5c6e219cd40f58a50f18d66e1eab54f0ea6f9fcdd7090103c4fa8feeb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1yhG3eKzZTfaVhhpTjgz0X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yhG3eKzZTfaVhhpTjgz0X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39de13d0b2c2c5ae420cdc45e275fa2493678bb0d8c7671b2a49a110d604f27c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6nNnOZRV4X5rxMMivAItDp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6nNnOZRV4X5rxMMivAItDp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf501e7a09daa4738da828ca5cb1121722b38f00641fdbed9f65e007d4c0baf88. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ABoReBoR7xqNg5kO4y72G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ABoReBoR7xqNg5kO4y72G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27369ea941914c5082ee71a4166bf0af02ceb2381e5af3ec4231d224d67ef7f5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7c7NtUACoOqqHZC5kgcwYJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7c7NtUACoOqqHZC5kgcwYJ.