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 0x282c8cb06b4646443d6f1c57ff7955c2eefa4426f5bcdaa998409fdbf12a1f4c. 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/e761b6ce-d2e5-43c4-afda-9237d6ccaf6f.json and https://artists.proofprofile.net/proofs/artist/e761b6ce-d2e5-43c4-afda-9237d6ccaf6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Unleash The Beast (Official Masters Of Hardcore 2004 Anthem)
Thundering Apocalypse (Reprise Extended)
Masters of Symphony (Mixed) - Evil Activities R3F!K5
{"copyright_id":"0x0534a4e582e67b310e61b930c628066fa25d39c988fd9982be5ea662fdf0315c","isrc":"NLS241202456","name":"Masters of Symphony (Mixed) - Evil Activities R3F!K5","registered_at":"2026-06-04T16:31:19Z","spotify_id":"5Gd2UkrlJdPdc4RC7Z7zgP","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 0x0534a4e582e67b310e61b930c628066fa25d39c988fd9982be5ea662fdf0315c. 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/5Gd2UkrlJdPdc4RC7Z7zgP.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/5Gd2UkrlJdPdc4RC7Z7zgP.
{"copyright_id":"0x88f16ef5fe051d0c0d5ee25dce0100f2b50f917d40655a4af748ef2053b44b28","isrc":"NLFL71000016","name":"Unleash The Beast - Angerfist Remix","registered_at":"2026-06-05T17:50:18Z","spotify_id":"6QIasiwnXvZ4HD2VDxVRQA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88f16ef5fe051d0c0d5ee25dce0100f2b50f917d40655a4af748ef2053b44b28. 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/6QIasiwnXvZ4HD2VDxVRQA.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/6QIasiwnXvZ4HD2VDxVRQA.
Masters of Symphony - Evil Activities R3F!K5
{"copyright_id":"0xd4b282ab769fb956b37e32715232b05e5c54c8dd28bc81254ee3977fbc1d5c89","isrc":"NLFL71000002","name":"Masters of Symphony - Evil Activities R3F!K5","registered_at":"2026-06-07T02:47:20Z","spotify_id":"0NrYg5Nn40UiYURmEjrSW1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b282ab769fb956b37e32715232b05e5c54c8dd28bc81254ee3977fbc1d5c89. 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/0NrYg5Nn40UiYURmEjrSW1.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/0NrYg5Nn40UiYURmEjrSW1.
Masters Of Hardcore - Magnum Opus (Chapter XLII)
{"copyright_id":"0x1466fbb11695ee8711cd7db5cd8b2fdb29b43ce1a5a49e6d62006cc9be7646e8","isrc":"NLFL70900001","name":"Unleash the beast","registered_at":"2026-06-18T16:46:58Z","spotify_id":"398ibXefWG2Xw6cMg2gYif","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1466fbb11695ee8711cd7db5cd8b2fdb29b43ce1a5a49e6d62006cc9be7646e8. 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/398ibXefWG2Xw6cMg2gYif.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/398ibXefWG2Xw6cMg2gYif.
Masters Of Symphony - Evil Activities R3F!K5
Fuck What U Heard - Negative A Remix Edit
Masterplan - State of Emergency & Outblast Remix
Masterplan (State of Emergency & Outblast Remix)
{"copyright_id":"0xb15c2d1d8225966716bec48b5a4067e2eab6b742958f5634cd386ca607590ed9","isrc":"NLS241201517","name":"Masterplan - State of Emergency & Outblast Remix","registered_at":"2026-06-23T18:37:34Z","spotify_id":"5sa7HR18QFxFbRER7cz7L0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15c2d1d8225966716bec48b5a4067e2eab6b742958f5634cd386ca607590ed9. 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/5sa7HR18QFxFbRER7cz7L0.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/5sa7HR18QFxFbRER7cz7L0.
Hardcore The Ultimate Collection Best Of 2013
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed49d1b1a0dc6f2f9f305cc283c7d6e8905f5388437ed2672631d21fb2b8b771. 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/61kj0oTXnHSMcmmrIbniKd.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/61kj0oTXnHSMcmmrIbniKd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783b72534613c2e2b7daf098bb8f06e7b6e0e71285a154f464fc756fc9d40614. 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/1y6NPdG9QcobUDvZFTqX0m.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/1y6NPdG9QcobUDvZFTqX0m.
Cast Of Catastrophe - Official Dominator Anthem
Masters Of Hardcore The Torment Of Triton
{"copyright_id":"0xa944d1d1571c27b0716b6c6c026e1838d25fb4af9ab137abe4fb7bdb120bc224","isrc":"NLFL71200052","name":"Cast Of Catastrophe - Official Dominator Anthem","registered_at":"2026-06-17T07:53:26Z","spotify_id":"3vOpvGXJKfXmPB4W4t1loS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa944d1d1571c27b0716b6c6c026e1838d25fb4af9ab137abe4fb7bdb120bc224. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:42:29Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3vOpvGXJKfXmPB4W4t1loS.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/3vOpvGXJKfXmPB4W4t1loS.
Hardcore The Ultimate Collection - Best Of 2012