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 0x6084a220638deeff1a21e93f90d1211a30ca349d8e426a973169191de541e3d5. 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/af93a487-e617-4120-9ceb-0fb4abf2e735.json and https://artists.proofprofile.net/proofs/artist/af93a487-e617-4120-9ceb-0fb4abf2e735.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x9c793db28cee66951630c3cd7ebe326107b9503e77a38802f4d129bb6b3aad54. 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/3wPpMU6d8h9yxvBadDDr44.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/3wPpMU6d8h9yxvBadDDr44.
Black or White (feat. Tasha Baxter) - IMANU/Signal Remix
{"copyright_id":"0x6eeae5c8dad1d3c761fbd84fe290dc1e8cf3a736e1c1be10d281b7f0fac31c5a","isrc":"GB5KW1703642","name":"Black or White (feat. Tasha Baxter) - IMANU/Signal Remix","registered_at":"2026-06-07T06:38:02Z","spotify_id":"5xn9orZ4aPVUYx36qIODvw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eeae5c8dad1d3c761fbd84fe290dc1e8cf3a736e1c1be10d281b7f0fac31c5a. 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/5xn9orZ4aPVUYx36qIODvw.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/5xn9orZ4aPVUYx36qIODvw.
{"copyright_id":"0xc11ba1e5c5b0569fe7c67688c5fb317eea2be878557077f46cd6d2f6bb865f85","isrc":"UKACT2030754","name":"Berry Patch - IMANU Remix","registered_at":"2026-06-20T23:58:41Z","spotify_id":"76geKi5fQFLU3Y4GuRnybB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11ba1e5c5b0569fe7c67688c5fb317eea2be878557077f46cd6d2f6bb865f85. 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/76geKi5fQFLU3Y4GuRnybB.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/76geKi5fQFLU3Y4GuRnybB.
Deadbeats & Brownies - Drum & Bass Compilation
{"copyright_id":"0x04c1014f0f055a20ab698bd3197c7bfc8f9b258800639d1f24c7576445f9d21c","isrc":"CAUM82400004","name":"It's Our Destiny - IMANU Remix","registered_at":"2026-06-19T08:42:11Z","spotify_id":"1hpGoHU1fJDizORjFQIkJp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c1014f0f055a20ab698bd3197c7bfc8f9b258800639d1f24c7576445f9d21c. 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/1hpGoHU1fJDizORjFQIkJp.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/1hpGoHU1fJDizORjFQIkJp.
{"copyright_id":"0x1ada4221b1c64aad1c303f1bda81a2e5ff12bfb5f1604f7a027a0a59adc2e0b2","isrc":"NLRD51632238","name":"Step By Step - IMANU / Signal Remix","registered_at":"2026-06-24T12:47:00Z","spotify_id":"25dr83ygxMO5ZBjPbkO98k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ada4221b1c64aad1c303f1bda81a2e5ff12bfb5f1604f7a027a0a59adc2e0b2. 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/25dr83ygxMO5ZBjPbkO98k.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/25dr83ygxMO5ZBjPbkO98k.
{"copyright_id":"0xc61981b7de27c60b289981c7bae682454a897f4abe0e98c5f1985ff94f8171d2","isrc":"CAUM82300168","name":"Pillow Talk - yunis Remix","registered_at":"2026-06-10T16:00:45Z","spotify_id":"7LQuhXbEHf1JtyhwKASku9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc61981b7de27c60b289981c7bae682454a897f4abe0e98c5f1985ff94f8171d2. 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/7LQuhXbEHf1JtyhwKASku9.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/7LQuhXbEHf1JtyhwKASku9.
{"copyright_id":"0xc07c09d73736ccbc046aae0b4a18deca6c817c02d597b21d45da4d09591ecc06","isrc":"CAUM82200242","name":"Pillow Talk","registered_at":"2026-06-06T15:26:20Z","spotify_id":"2rw2SOQ3KDCLOXugoKLfPx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc07c09d73736ccbc046aae0b4a18deca6c817c02d597b21d45da4d09591ecc06. 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/2rw2SOQ3KDCLOXugoKLfPx.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/2rw2SOQ3KDCLOXugoKLfPx.
{"copyright_id":"0x4de7fb215082b38a63d6cde1c2c9d19cb0cde7dacf6957f1aa46c3e102086d62","isrc":"CA5KR2300811","name":"Shadow - IMANU Remix","registered_at":"2026-06-11T11:12:03Z","spotify_id":"41KVhmicGZnLdbxW3FJ8Oh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4de7fb215082b38a63d6cde1c2c9d19cb0cde7dacf6957f1aa46c3e102086d62. 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/41KVhmicGZnLdbxW3FJ8Oh.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/41KVhmicGZnLdbxW3FJ8Oh.
{"copyright_id":"0xf0308e922e406bd92b96efd3074b8b4637b911b51bc7cdc6b8767b1796c4a9da","isrc":"CAUM82300144","name":"Haunt My Mind - Machinedrum Remix","registered_at":"2026-06-08T02:41:47Z","spotify_id":"3TXrfDuEZxTaXLG8236DyQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0308e922e406bd92b96efd3074b8b4637b911b51bc7cdc6b8767b1796c4a9da. 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/3TXrfDuEZxTaXLG8236DyQ.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/3TXrfDuEZxTaXLG8236DyQ.
{"copyright_id":"0x33f1c7302b191a502bb9d6bed0c2aae32a826312354c387f981f737b47987f9e","isrc":"GB2LD2210044","name":"A Taste of Hope - Odd Mob Remix","registered_at":"2026-06-05T22:27:59Z","spotify_id":"3Bz9NtlCGLtTmIIOaA8hcs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33f1c7302b191a502bb9d6bed0c2aae32a826312354c387f981f737b47987f9e. 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/3Bz9NtlCGLtTmIIOaA8hcs.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/3Bz9NtlCGLtTmIIOaA8hcs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7093d91b0106b61413b57d94860cb6d423fd78f11db5964c86701746f7970aa2. 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/3BELIEnDdXEpgMuih6XsMQ.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/3BELIEnDdXEpgMuih6XsMQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ebb57da6ee286b9f1b84cd26f0ddb3dc7febeb392a760e55a1df20f99c1c301. 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/0sWniVm3HUdyxClGcyJEUM.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/0sWniVm3HUdyxClGcyJEUM.
{"copyright_id":"0xae53b8619cb37a546075eaf61a65e3d07283b49ec42ae8d4999a271993625482","isrc":"CAUM82300139","name":"Empress - Zeds Dead Remix","registered_at":"2026-06-05T16:18:15Z","spotify_id":"5w9XTPbDewcXuKaseMFwlj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae53b8619cb37a546075eaf61a65e3d07283b49ec42ae8d4999a271993625482. 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/5w9XTPbDewcXuKaseMFwlj.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/5w9XTPbDewcXuKaseMFwlj.
i think you're cool - IMANU x QUIET BISON Remix
{"copyright_id":"0x13480738d1976e8607f8416158c060821e4ae6f03ee08697fcf2d7085cf6c7d8","isrc":"CAUM82100286","name":"i think you're cool - IMANU x QUIET BISON Remix","registered_at":"2026-06-18T00:28:03Z","spotify_id":"6Ko6GXJn6zUyCShnmAw7Ym","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13480738d1976e8607f8416158c060821e4ae6f03ee08697fcf2d7085cf6c7d8. 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/6Ko6GXJn6zUyCShnmAw7Ym.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/6Ko6GXJn6zUyCShnmAw7Ym.
{"copyright_id":"0x295683284da0ab2bdc59f6f7596fe7b3d43de5929c18a452702fb5e83eca4a0f","isrc":"CA5KR2309857","name":"Gassed Up - IMANU Remix","registered_at":"2026-06-08T19:35:44Z","spotify_id":"4ewD29TNuL4ph7gCp2xdKP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295683284da0ab2bdc59f6f7596fe7b3d43de5929c18a452702fb5e83eca4a0f. 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/4ewD29TNuL4ph7gCp2xdKP.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/4ewD29TNuL4ph7gCp2xdKP.
{"copyright_id":"0x8ab0b8da0a7a9a149cb2c826855cae1e2f9a65c7788b4d132c97f85f4325c19f","isrc":"CAUM82300161","name":"It's Our Destiny - Subtronics Remix","registered_at":"2026-06-09T06:28:53Z","spotify_id":"4Xqdu148wjVSiGcRIXsJfh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab0b8da0a7a9a149cb2c826855cae1e2f9a65c7788b4d132c97f85f4325c19f. 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/4Xqdu148wjVSiGcRIXsJfh.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/4Xqdu148wjVSiGcRIXsJfh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6341be29f86f12ff4571633c8ad41a17e2eadd51828c62ca24299cacee8bbab0. 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/7AugnLPe5HdIns5ndJ649g.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/7AugnLPe5HdIns5ndJ649g.
{"copyright_id":"0xb272f44f6f78858de26fe96b4e6e7c271be166781f510055cdb5cb9851f3f7ac","isrc":"CAUM82300145","name":"It's Our Destiny - Nitepunk Remix","registered_at":"2026-06-24T09:38:19Z","spotify_id":"4Az8fdFVrwfCzQ4XweZTC1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb272f44f6f78858de26fe96b4e6e7c271be166781f510055cdb5cb9851f3f7ac. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Az8fdFVrwfCzQ4XweZTC1.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/4Az8fdFVrwfCzQ4XweZTC1.
{"copyright_id":"0x0d6f05ac7285cf9ad3eabb8a7fb72333f95de53ff322103806e0add03a46701b","isrc":"CAUM82300222","name":"Of Two Minds","registered_at":"2026-06-06T23:31:08Z","spotify_id":"7Btth4NK0ICZC9DjYZPxgg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6f05ac7285cf9ad3eabb8a7fb72333f95de53ff322103806e0add03a46701b. 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/7Btth4NK0ICZC9DjYZPxgg.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/7Btth4NK0ICZC9DjYZPxgg.