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 0xb357b87776158f13176ca9659e5fd053f5c846c8cf6ce1235f0674779cf013fd. 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/9f45ce46-b5dd-4242-912a-7bcb3869c96f.json and https://artists.proofprofile.net/proofs/artist/9f45ce46-b5dd-4242-912a-7bcb3869c96f.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 0xf3701dc0700d0d9ec077645ce12b4ba790128af18d80fcd15726513f895f8c9f. 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/1vNoA9F5ASnlBISFekDmg3.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/1vNoA9F5ASnlBISFekDmg3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3701dc0700d0d9ec077645ce12b4ba790128af18d80fcd15726513f895f8c9f. 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/5d8Wq39QLT6OQWsY9paz5n.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/5d8Wq39QLT6OQWsY9paz5n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d668931759460c649401a4242c80fbd42b3897e214104e5284bb5a8bd87479. 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/1MKea3qAeUgkpoHYAMcDhK.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/1MKea3qAeUgkpoHYAMcDhK.
Hungry For Life (feat. Chris Daughtry of Daughtry)
{"copyright_id":"0xc5218430c18cd677cb36547afb19b54ff5e388c8cbcc169197db6075ce3872ab","isrc":"USDPK2400028","name":"Hungry For Life (feat. Chris Daughtry of Daughtry)","registered_at":"2026-06-04T06:44:35Z","spotify_id":"4ddvYUYsefYyjGoajARAJm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5218430c18cd677cb36547afb19b54ff5e388c8cbcc169197db6075ce3872ab. 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/4ddvYUYsefYyjGoajARAJm.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/4ddvYUYsefYyjGoajARAJm.
(Make My) Country Rock (feat. Sully Erna of Godsmack, Travis Tritt and Mick Mars)
{"copyright_id":"0x830835b400cbc42ef984eb8bee8fd5f6b4bd7590cfd0ddf9ca45f295c42af5d6","isrc":"USDPK2400077","name":"Guilty (feat. DL of Bad Wolves)","registered_at":"2026-06-07T23:35:53Z","spotify_id":"62mvaUT0iKDX8s4UyvUQ63","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830835b400cbc42ef984eb8bee8fd5f6b4bd7590cfd0ddf9ca45f295c42af5d6. 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/62mvaUT0iKDX8s4UyvUQ63.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/62mvaUT0iKDX8s4UyvUQ63.
{"copyright_id":"0x3da32eeefdd4bd79d19ebf5d2965125df5cde2fa99d040af5aa54e3acb1e991f","isrc":"USDPK1800087","name":"Hear Me Now (feat. Diamante) - Acoustic","registered_at":"2026-06-05T06:58:44Z","spotify_id":"6MVbMsQfjzudyNqm0T1wJS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3da32eeefdd4bd79d19ebf5d2965125df5cde2fa99d040af5aa54e3acb1e991f. 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/6MVbMsQfjzudyNqm0T1wJS.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/6MVbMsQfjzudyNqm0T1wJS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87922b8d17a26195f8753b3649fc4a5e104220f643220b250d119a53df48c396. 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/1k5lttlP4PI6tIhHlepCXV.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/1k5lttlP4PI6tIhHlepCXV.
Black Thunder (feat. Serj Tankian and DL of Bad Wolves)
{"copyright_id":"0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34","isrc":"USDPK2300007","name":"Black Thunder (feat. Serj Tankian and DL of Bad Wolves)","registered_at":"2026-06-01T21:11:20Z","spotify_id":"7nqgVLMje8RzKrmNH2D6dg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34. 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/7nqgVLMje8RzKrmNH2D6dg.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/7nqgVLMje8RzKrmNH2D6dg.
{"copyright_id":"0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34","isrc":"USDPK2300007","name":"Black Thunder (feat. Serj Tankian and DL of Bad Wolves)","registered_at":"2026-06-02T18:05:47Z","spotify_id":"7qDVR7dlgSBpHPw7tqcO3d","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34. 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/7qDVR7dlgSBpHPw7tqcO3d.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/7qDVR7dlgSBpHPw7tqcO3d.
{"copyright_id":"0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34","isrc":"USDPK2300007","name":"Black Thunder (feat. Serj Tankian and DL of Bad Wolves)","registered_at":"2026-06-01T21:11:20Z","spotify_id":"4dNPfbM7KUlzvJ2WLyP6OZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34. 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/4dNPfbM7KUlzvJ2WLyP6OZ.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/4dNPfbM7KUlzvJ2WLyP6OZ.
{"copyright_id":"0x4f4e618c4fde48086e5c3114d9fe9a6e1a62a67068639ae83fd2a3003cfcb818","isrc":"QZNJV2314256","name":"Just Like Home (feat. DL of Bad Wolves)","registered_at":"2026-06-04T13:14:28Z","spotify_id":"5plaOgvGRUV1GoVz5QtxFE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f4e618c4fde48086e5c3114d9fe9a6e1a62a67068639ae83fd2a3003cfcb818. 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/5plaOgvGRUV1GoVz5QtxFE.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/5plaOgvGRUV1GoVz5QtxFE.
The Retaliators Deluxe (Music from the Motion Picture)
{"copyright_id":"0x830835b400cbc42ef984eb8bee8fd5f6b4bd7590cfd0ddf9ca45f295c42af5d6","isrc":"USDPK2400077","name":"Guilty (feat. DL of Bad Wolves)","registered_at":"2026-06-07T23:35:53Z","spotify_id":"6FhTHU79clNwhSmflt26gp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830835b400cbc42ef984eb8bee8fd5f6b4bd7590cfd0ddf9ca45f295c42af5d6. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FhTHU79clNwhSmflt26gp.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/6FhTHU79clNwhSmflt26gp.
If Tomorrow Never Comes (Feat. Spencer Charnas of Ice Nine Kills)
{"copyright_id":"0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34","isrc":"USDPK2300007","name":"Black Thunder (feat. Serj Tankian and DL of Bad Wolves)","registered_at":"2026-06-01T21:11:20Z","spotify_id":"3625eAVyZJ0IldISwx90Gi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2dea60796d385425cd7ce201f511d4f9c212792ff00d7915c873f7c68577a34. 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/3625eAVyZJ0IldISwx90Gi.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/3625eAVyZJ0IldISwx90Gi.
The Retaliators (Music from the Motion Picture)
{"copyright_id":"0xdb86ec22ab996be3b67b8db6c0ff396b367347db9305996ce7641b2ed1bf436d","isrc":"USDPK2200021","name":"If Tomorrow Never Comes (Feat. Spencer Charnas of Ice Nine Kills)","registered_at":"2026-06-22T19:35:50Z","spotify_id":"4PDazdk7Vr6J3fkPdYNSvg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb86ec22ab996be3b67b8db6c0ff396b367347db9305996ce7641b2ed1bf436d. 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/4PDazdk7Vr6J3fkPdYNSvg.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/4PDazdk7Vr6J3fkPdYNSvg.
Better Off This Way - Music from the Motion Picture
Sno Babies (Music from the Motion Picture)
{"copyright_id":"0x71c8170d572b5430a277d552e6d632d063a9fda8e87bbbbc0662639f4110208b","isrc":"USDPK2000157","name":"Sober - Music from the Motion Picture","registered_at":"2026-06-21T11:53:14Z","spotify_id":"1Gl3VqGdf4dyLn8yumftrg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c8170d572b5430a277d552e6d632d063a9fda8e87bbbbc0662639f4110208b. 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/1Gl3VqGdf4dyLn8yumftrg.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/1Gl3VqGdf4dyLn8yumftrg.