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 0x9872f1806f6d37217c67627bcae494bc6ce4c1c5de0eb41c5ae713d56c7caee8. 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/8e6c837f-85ec-4ca2-8d4e-77f8304934e1.json and https://artists.proofprofile.net/proofs/artist/8e6c837f-85ec-4ca2-8d4e-77f8304934e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
From Paris with Love (Original Motion Picture Soundtrack)
Gone (Original Motion Picture Soundtrack)
Parker (Original Motion Picture Soundtrack)
Call of Duty: Ghosts (Original Game Soundtrack)
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 0x53e53fc1568aeebd0590272d006974d8f57674b50be29d15943e3efd0863411f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/54xxKHo1PQCPAyYTmiRT8Y.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/54xxKHo1PQCPAyYTmiRT8Y.
Angel Has Fallen (Original Motion Picture Soundtrack)
Unhinged (Original Motion Picture Soundtrack)
Greenland (Original Motion Picture Soundtrack)
Stay Close (Soundtrack from the Netflix Series)
The Sandman: Season 1 (Soundtrack from the Netflix Original Series)
The Kingdom of Dreams (Main Title Theme)
{"copyright_id":"0xf3a2c0faa1525975734622ef6edf3911d1ff1586ccf2ed1f7b194f326be01a13","isrc":"USNLR2201003","name":"A Remedy for Poison","registered_at":"2026-06-29T13:26:23Z","spotify_id":"6oOf16yqZtMO1zhFHteQQA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a2c0faa1525975734622ef6edf3911d1ff1586ccf2ed1f7b194f326be01a13. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6oOf16yqZtMO1zhFHteQQA.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/6oOf16yqZtMO1zhFHteQQA.
{"copyright_id":"0x34f76ed29754057ef366997f015fa96a1c2296f59fb074d848340a9ddc3cf90e","isrc":"USNLR2201006","name":"Return to the White Horse","registered_at":"2026-06-29T13:32:26Z","spotify_id":"2IJQwZvodZ92i3IdncBqH1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34f76ed29754057ef366997f015fa96a1c2296f59fb074d848340a9ddc3cf90e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2IJQwZvodZ92i3IdncBqH1.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/2IJQwZvodZ92i3IdncBqH1.
{"copyright_id":"0xdd8bb7b302d4255575e598e2f628ed15def64e7614d17cd93cfa118918665970","isrc":"USNLR2201011","name":"Fortune Go with You","registered_at":"2026-06-29T13:27:16Z","spotify_id":"4Ff9DfStOrfQlqqXauz0dG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd8bb7b302d4255575e598e2f628ed15def64e7614d17cd93cfa118918665970. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Ff9DfStOrfQlqqXauz0dG.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/4Ff9DfStOrfQlqqXauz0dG.
Main Title Theme (from "The Sandman") [Choral Version]
Main Title Theme (from "The Sandman") - Choral Version
Kandahar (Original Motion Picture Soundtrack)
{"copyright_id":"0xc45a16bfb0f0fc649694bf45239efb47b99873a9d090badec2fd1eefa941e621","isrc":"USLS52342201","name":"A Thousand Miles of Sand","registered_at":"2026-06-28T19:14:39Z","spotify_id":"7CfXjiBwoqZouR2lpotPnu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc45a16bfb0f0fc649694bf45239efb47b99873a9d090badec2fd1eefa941e621. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7CfXjiBwoqZouR2lpotPnu.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/7CfXjiBwoqZouR2lpotPnu.
The Sandman: Season 2 (Soundtrack from the Netflix Original Series)
Queen of the First People (feat. Loire Cotler)
{"copyright_id":"0x5cf4ace4a31626e896ee87a6cf3d71a01c87b28cba31ec3d8dfd4826fe64afe9","isrc":"GBLLH1123511","name":"Strengthen ye the weak hands","registered_at":"2026-06-17T03:48:19Z","spotify_id":"1adaCp6HD4kmHYWz2Fc8qN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf4ace4a31626e896ee87a6cf3d71a01c87b28cba31ec3d8dfd4826fe64afe9. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:27:43Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1adaCp6HD4kmHYWz2Fc8qN.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/1adaCp6HD4kmHYWz2Fc8qN.
Jason Bourne (Original Motion Picture Soundtrack)
{"copyright_id":"0x18e6cbb9feafc8d110b0ea35b043311d826c61dee5c2d92ef8897d44837d071b","isrc":"USQ4E1602272","name":"I Remember Everything","registered_at":"2026-06-06T11:24:10Z","spotify_id":"0u1wtlH7iGdwN0nJOH0xbv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18e6cbb9feafc8d110b0ea35b043311d826c61dee5c2d92ef8897d44837d071b. 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/0u1wtlH7iGdwN0nJOH0xbv.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/0u1wtlH7iGdwN0nJOH0xbv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb88d2407637623b980f01b8931531772862e5a7a4efe6c40657c89a127617d9. 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/3WixEVHYXB9D2uOvo0CQNG.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/3WixEVHYXB9D2uOvo0CQNG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44648f75654d532b0e63c0e69bc096173d1b9746a77a073998f6be583175d296. 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/1SuttoAd8IdMa0SCJIZSKv.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/1SuttoAd8IdMa0SCJIZSKv.
{"copyright_id":"0x6dc77ffef6389e13812dd75865ef57d0f99f1812c9acefc07afd435c7abbfc28","isrc":"USQ4E1602275","name":"Motorcycle Chase","registered_at":"2026-06-18T17:47:33Z","spotify_id":"3ZghozDTRPTQOrSKob8h7H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc77ffef6389e13812dd75865ef57d0f99f1812c9acefc07afd435c7abbfc28. 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/3ZghozDTRPTQOrSKob8h7H.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/3ZghozDTRPTQOrSKob8h7H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa1d229080cf1619191eef262215933fdbfb75cba67f31864e1277727ced730. 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/2EjzL2lYcD9BXDEjOYwESQ.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/2EjzL2lYcD9BXDEjOYwESQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf483ee4a1617aa9ab71cd90843ed489cc41ba1848d8734284f2e6ec0170747e9. 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/3SGJRYUSk6auWiwzeQqJjS.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/3SGJRYUSk6auWiwzeQqJjS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dee5726fa14aef2b88719ce08295f89a9e73508c4a0e3604af6e764ee00ae40. 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/51MYFfdq094Wj1Dq5S1p8h.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/51MYFfdq094Wj1Dq5S1p8h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842230f9c23d7432414e78a1a03221fe0b25d4614949dc0bb20973fe392ed0b5. 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/2GuXcRKxdSJc8sXlLTJIS2.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/2GuXcRKxdSJc8sXlLTJIS2.
{"copyright_id":"0xbc8b9c3bbbb8bfd72867bac274be7d71f12d1ab9fb375781e2c92568e6243cf4","isrc":"USQ4E1602280","name":"Paddington Plaza","registered_at":"2026-06-20T08:05:51Z","spotify_id":"1Rg0MdVhS16LbHh6T5FhYE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc8b9c3bbbb8bfd72867bac274be7d71f12d1ab9fb375781e2c92568e6243cf4. 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/1Rg0MdVhS16LbHh6T5FhYE.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/1Rg0MdVhS16LbHh6T5FhYE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629099c4376a7a2c755dfcea35339c1a5b61ba51393ee117ce6e7194ce58911c. 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/0QPx3cKmE9rKWVn3FWeywV.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/0QPx3cKmE9rKWVn3FWeywV.
{"copyright_id":"0x873dc8b2b83eeb8ae8930938aa3addf7ac79d1fb093556b44dd771aa01c12e5a","isrc":"USQ4E1602282","name":"Las Vegas","registered_at":"2026-06-18T11:51:52Z","spotify_id":"3kr7VLqJ5JtR9DxTqNWFL2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873dc8b2b83eeb8ae8930938aa3addf7ac79d1fb093556b44dd771aa01c12e5a. 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/3kr7VLqJ5JtR9DxTqNWFL2.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/3kr7VLqJ5JtR9DxTqNWFL2.
{"copyright_id":"0xc62a23744aeb203ec4f5ee931d0490e0a1b075cde7286a3e7d04c5432edf612a","isrc":"USQ4E1602283","name":"Following the Target","registered_at":"2026-06-18T03:00:19Z","spotify_id":"6alZwXkicaKJTsVJXhM1Zj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62a23744aeb203ec4f5ee931d0490e0a1b075cde7286a3e7d04c5432edf612a. 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/6alZwXkicaKJTsVJXhM1Zj.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/6alZwXkicaKJTsVJXhM1Zj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52dd10ef293f7574646bea9c6c4b1565a7cee508e9e4a7eb8325035952b7dc9b. 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/7tpfkiNKzGJNyhnbn32NqP.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/7tpfkiNKzGJNyhnbn32NqP.
{"copyright_id":"0xff63e28af39a587b210d82833c53d5e36e8f98e45364a2df693de0498bbe5d13","isrc":"USQ4E1602285","name":"An Interesting Proposal","registered_at":"2026-06-18T03:01:44Z","spotify_id":"5ldOiiNjfANn9pQlHoV0PI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff63e28af39a587b210d82833c53d5e36e8f98e45364a2df693de0498bbe5d13. 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/5ldOiiNjfANn9pQlHoV0PI.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/5ldOiiNjfANn9pQlHoV0PI.
{"copyright_id":"0x29379b02d9685f3dc3725e74cffb433ffec693e2b19c98a40e3ff793898f1877","isrc":"USQ4E1602286","name":"Let Me Think About It","registered_at":"2026-06-07T20:44:59Z","spotify_id":"5XVDmdbDDk9eGCwiZ5ZKUz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29379b02d9685f3dc3725e74cffb433ffec693e2b19c98a40e3ff793898f1877. 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/5XVDmdbDDk9eGCwiZ5ZKUz.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/5XVDmdbDDk9eGCwiZ5ZKUz.
Batman: Arkham Knight, Vol. 2 (Original Video Game Score)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e7e2b82f98dc824ac865d1dba48a7ef5fb33322e76fd7ea79f39c79272fb807. 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/2j2krAU6J0rJA4g3oTSNbw.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/2j2krAU6J0rJA4g3oTSNbw.
{"copyright_id":"0x07f41ba1af41fd877e56616b4e7d91fbccd1f465ca7a9c3e85fd0769fbc65838","isrc":"USNLR1500653","name":"You're Going To Be Spectacular","registered_at":"2026-06-22T07:36:48Z","spotify_id":"46pf6p1VA4431dz51yV6QE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f41ba1af41fd877e56616b4e7d91fbccd1f465ca7a9c3e85fd0769fbc65838. 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/46pf6p1VA4431dz51yV6QE.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/46pf6p1VA4431dz51yV6QE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2646484129928f8ae3890900f363647486f35739164a53414e6d96851fc97742. 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/3OSCcw8iRbSAPi3xXXhlNx.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/3OSCcw8iRbSAPi3xXXhlNx.