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 0xa47c1d5e925faa93077cca3451ba6c8e2fce82f79d13e8dda063d57602cc9df7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0aca7f8d-cca4-4dab-a502-d80e7c1781d3.json and https://artists.proofprofile.net/proofs/artist/0aca7f8d-cca4-4dab-a502-d80e7c1781d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x20424a4617b6bdde47f4ac0d69002a56f8926a1cc8dfff4b0228a83bcf246388","isrc":"GBENL2203351","name":"ICED OUT SUMMER","registered_at":"2026-06-07T08:11:44Z","spotify_id":"1PpsJPjSge3JHkNYJImD08","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 0x20424a4617b6bdde47f4ac0d69002a56f8926a1cc8dfff4b0228a83bcf246388. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:53:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1PpsJPjSge3JHkNYJImD08.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/1PpsJPjSge3JHkNYJImD08.
{"copyright_id":"0x6f1a28c704b72dee2dfba38471a42b998203d15bf20ae7b0e5ecfa1e696fd272","isrc":"GBENL2203352","name":"YO (WITH RXLLS, BENJI, RAGZ & OSCAR)","registered_at":"2026-06-21T06:02:32Z","spotify_id":"4NqwilukYa5phs7p2dhIKl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f1a28c704b72dee2dfba38471a42b998203d15bf20ae7b0e5ecfa1e696fd272. 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/4NqwilukYa5phs7p2dhIKl.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/4NqwilukYa5phs7p2dhIKl.
{"copyright_id":"0xd587acbc597f0a1a1c716ddfa6b9a1eb8129a1067c358d24565a8a86b0a18ece","isrc":"GBENL2203326","name":"NEW SKIN CARE","registered_at":"2026-06-11T12:47:38Z","spotify_id":"676GIHITnsNXp1ovH5mplK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd587acbc597f0a1a1c716ddfa6b9a1eb8129a1067c358d24565a8a86b0a18ece. 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/676GIHITnsNXp1ovH5mplK.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/676GIHITnsNXp1ovH5mplK.
{"copyright_id":"0x20424a4617b6bdde47f4ac0d69002a56f8926a1cc8dfff4b0228a83bcf246388","isrc":"GBENL2203351","name":"ICED OUT SUMMER","registered_at":"2026-06-07T08:11:44Z","spotify_id":"3aQuwPANxNswEKh2viX9EJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20424a4617b6bdde47f4ac0d69002a56f8926a1cc8dfff4b0228a83bcf246388. 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/3aQuwPANxNswEKh2viX9EJ.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/3aQuwPANxNswEKh2viX9EJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e9b717ce15ab423f3352cf84ee5c290bafdde6a7f49b685393dd8235f73dcb. 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/6w3Jll7iwn7B8sWg35aw3f.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/6w3Jll7iwn7B8sWg35aw3f.
{"copyright_id":"0xbec338d7ddd6c138195032c16c731c405e8cd8f92e14db5a9a73120aec2df644","isrc":"GBENL2203354","name":"NOT A GYALIS (ft. KNUCKS & Nippa)","registered_at":"2026-06-10T05:24:56Z","spotify_id":"6JiDmEYQJ6bvsqgRu206qp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec338d7ddd6c138195032c16c731c405e8cd8f92e14db5a9a73120aec2df644. 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/6JiDmEYQJ6bvsqgRu206qp.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/6JiDmEYQJ6bvsqgRu206qp.
{"copyright_id":"0x2e3ba602b988c1e7915a23ffd71f905f3b6a010a9ad79fa60dfb1f2db1890cd5","isrc":"GBENL2203355","name":"PLOTTING (WITH RXLLS)","registered_at":"2026-06-27T08:08:04Z","spotify_id":"3DRuPWGM3Fl0JJ0sV96oIX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3ba602b988c1e7915a23ffd71f905f3b6a010a9ad79fa60dfb1f2db1890cd5. 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/3DRuPWGM3Fl0JJ0sV96oIX.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/3DRuPWGM3Fl0JJ0sV96oIX.
{"copyright_id":"0xe8debde56cca96bd1c54362d869faa830f4d7e84f01147ee1b0895445b780eba","isrc":"GBENL2203356","name":"SONG 1","registered_at":"2026-06-08T04:23:40Z","spotify_id":"3wlNFYWFTH7Xr6fDEDaBQJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8debde56cca96bd1c54362d869faa830f4d7e84f01147ee1b0895445b780eba. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3wlNFYWFTH7Xr6fDEDaBQJ.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/3wlNFYWFTH7Xr6fDEDaBQJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2250261fd37180aecbd0a168f6247351e4fefade57d2f256747acaec3ed4c1e8. 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/48nGspxx80Ue3IzK92obqF.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/48nGspxx80Ue3IzK92obqF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c0c5f968884f3081ec134504392eba9f759c1d0dc2989fa073e0e42f3a108a2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0YlUJAfLmzJ1iaSCmnXU3q.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/0YlUJAfLmzJ1iaSCmnXU3q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e714422fd0c254706c833908cf85f5cc411e5e45ed879d3f2d6123203eb91e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6O2LyRhkHg9zqkHdIxlMtZ.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/6O2LyRhkHg9zqkHdIxlMtZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c38ba41d49e592a2952694ab3a28e46cfb0ec8eacdb9d155a72a9d9153beaf. 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/4ZFiZ2XoC9IvyS9084zfv9.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/4ZFiZ2XoC9IvyS9084zfv9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c38ba41d49e592a2952694ab3a28e46cfb0ec8eacdb9d155a72a9d9153beaf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AePPyZLV60p15ZdRAycxE.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/3AePPyZLV60p15ZdRAycxE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f551b530c52b1a9d126177d9ced48de8ee410592dab245fd05312a287ecd85. 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/7waNtRQ6G0eRpP1IoZw5gA.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/7waNtRQ6G0eRpP1IoZw5gA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6d013fbc94c0a7bf1889f8eb8bce586df9df253d1597d01006d093a89ca331. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YeqX2TWcD7omjFzt4JUWW.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/2YeqX2TWcD7omjFzt4JUWW.
{"copyright_id":"0x929ba40a763db542d7a4e0e796998a176e21b8d0a4c760aea2687f183cce2e80","isrc":"GBUM72004299","name":"Jolene - Amapiano Remix","registered_at":"2026-06-24T01:55:51Z","spotify_id":"5oWhF7QtGcxIMzVjrFUiCA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x929ba40a763db542d7a4e0e796998a176e21b8d0a4c760aea2687f183cce2e80. 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/5oWhF7QtGcxIMzVjrFUiCA.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/5oWhF7QtGcxIMzVjrFUiCA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183a54b1eebdff8e106190135338e4919ee2cc731d8bc1d326b92ca9f000917e. 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/4XRXPj54gXpXQjJ2nckf47.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/4XRXPj54gXpXQjJ2nckf47.
{"copyright_id":"0x3a309baf1fbea6a01170dca81e97dd77d34a401ae3cc278c225957810ccacf44","isrc":"US23A1515386","name":"Everytime - Remix","registered_at":"2026-06-07T21:38:42Z","spotify_id":"6WXR4FQyJP3OrHJFlXPzvY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a309baf1fbea6a01170dca81e97dd77d34a401ae3cc278c225957810ccacf44. 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/6WXR4FQyJP3OrHJFlXPzvY.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/6WXR4FQyJP3OrHJFlXPzvY.