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 0x09becda2a325e62ca84f3f5da9d413ca84eecf0a9468250eabb3cdd1d97204f5. 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/2c6dd4fb-c8f2-482d-a356-c03e0290defb.json and https://artists.proofprofile.net/proofs/artist/2c6dd4fb-c8f2-482d-a356-c03e0290defb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Swingin Hall - Jerry Aseret & Vertigo Remix
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 0xfa7308219b4a9508bd2b9e3b13db03731266d9e9329e698f39137bba88a66327. 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/5J5xm2NbN2ehwOkdQnPRr4.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/5J5xm2NbN2ehwOkdQnPRr4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7397f71b71260333adda693423db7665f6248190cbdf30a04d70110a9cb0aa48. 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/0hlE4iYCil7l6VeIaMLbH9.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/0hlE4iYCil7l6VeIaMLbH9.
{"copyright_id":"0x094ac11736db53e56dee7286a16e52303ec6dcb4915b5ba25f9f70353d057664","isrc":"NLF712208853","name":"Intelligence - Extended Mix","registered_at":"2026-06-11T11:40:04Z","spotify_id":"5lbZGOfPygSMffPt1KuxwP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094ac11736db53e56dee7286a16e52303ec6dcb4915b5ba25f9f70353d057664. 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/5lbZGOfPygSMffPt1KuxwP.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/5lbZGOfPygSMffPt1KuxwP.
{"copyright_id":"0xa92097a8bd92a1c08673d1f40b35bad052bb71b317b1ba1aa03755f929ecbc83","isrc":"GBKQU2352510","name":"DOMINATION - Pavel Petrov Remix","registered_at":"2026-06-19T15:27:26Z","spotify_id":"6TdOLDiXe5vZ6mlKdqqUYD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92097a8bd92a1c08673d1f40b35bad052bb71b317b1ba1aa03755f929ecbc83. 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/6TdOLDiXe5vZ6mlKdqqUYD.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/6TdOLDiXe5vZ6mlKdqqUYD.
Snake Eyes - Pavel Petrov & Peppou Remix
{"copyright_id":"0x1a06ed47d312ac22f40f0d0db124f225ec24c4f97229a816d0e39e83ec97cbdc","isrc":"GBLV62318177","name":"Snake Eyes - Pavel Petrov & Peppou Remix","registered_at":"2026-06-19T12:36:03Z","spotify_id":"55nP2ydMm8ixO7UgRJ1Gdl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a06ed47d312ac22f40f0d0db124f225ec24c4f97229a816d0e39e83ec97cbdc. 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/55nP2ydMm8ixO7UgRJ1Gdl.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/55nP2ydMm8ixO7UgRJ1Gdl.
{"copyright_id":"0x0de451a1558fcbd403a353be7570932f93be97a00688bcdf19b87f223008535f","isrc":"DEG932402515","name":"Flashback - Pavel Petrov Remix","registered_at":"2026-06-05T16:43:15Z","spotify_id":"3CZK8zP41piI6cntPWdZtH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de451a1558fcbd403a353be7570932f93be97a00688bcdf19b87f223008535f. 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/3CZK8zP41piI6cntPWdZtH.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/3CZK8zP41piI6cntPWdZtH.
{"copyright_id":"0x0de451a1558fcbd403a353be7570932f93be97a00688bcdf19b87f223008535f","isrc":"DEG932402515","name":"Flashback - Pavel Petrov Remix","registered_at":"2026-06-05T16:43:15Z","spotify_id":"4VdHGgAyBVzPXKznIhmjKC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de451a1558fcbd403a353be7570932f93be97a00688bcdf19b87f223008535f. 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/4VdHGgAyBVzPXKznIhmjKC.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/4VdHGgAyBVzPXKznIhmjKC.
{"copyright_id":"0xd36b341c6fca99b63f1246bd06469f8ff91d891d42f3634dc62cba69093c2aa4","isrc":"AUXN21313086","name":"Fever (Pezzner Remix) [Guy J Edit]","registered_at":"2026-06-23T09:58:20Z","spotify_id":"5aCD5B7UximZeqmAndz6dL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36b341c6fca99b63f1246bd06469f8ff91d891d42f3634dc62cba69093c2aa4. 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/5aCD5B7UximZeqmAndz6dL.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/5aCD5B7UximZeqmAndz6dL.