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 0xe0dac2769c8910447d6bc74f554531f1cff7a9a512d498a53a25fc2e9eea78b2. 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/cb94e6aa-1122-40f4-b329-c3af430a9f6e.json and https://artists.proofprofile.net/proofs/artist/cb94e6aa-1122-40f4-b329-c3af430a9f6e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x4aaf3e670a489cfe7102db89991fe5b34a198fbdf8b6264a0d70471c94e5da82","isrc":"GBBKS0900533","name":"We Can't Be Stopped","registered_at":"2026-06-28T20:43:26Z","spotify_id":"5OXqVjFyXROWqO9MkkNpNu","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 0x4aaf3e670a489cfe7102db89991fe5b34a198fbdf8b6264a0d70471c94e5da82. Chain 2 (Bitcoin): anchored in block 956426 (2026-07-03T01:37:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5OXqVjFyXROWqO9MkkNpNu.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/5OXqVjFyXROWqO9MkkNpNu.
{"copyright_id":"0xfeb71f17c2c9cefdafeb3c45c124eee708d6e358cde224aaea4bbd97150a4d71","isrc":"GBBKS0900534","name":"Bob Gandhi","registered_at":"2026-06-28T20:25:01Z","spotify_id":"1jG2X9XMWkPxAZO2fdl9ta","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeb71f17c2c9cefdafeb3c45c124eee708d6e358cde224aaea4bbd97150a4d71. 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/1jG2X9XMWkPxAZO2fdl9ta.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/1jG2X9XMWkPxAZO2fdl9ta.
{"copyright_id":"0x4aaf3e670a489cfe7102db89991fe5b34a198fbdf8b6264a0d70471c94e5da82","isrc":"GBBKS0900533","name":"We Can't Be Stopped","registered_at":"2026-06-28T20:43:26Z","spotify_id":"6H8FA8FX9JcDOloHwEejfJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aaf3e670a489cfe7102db89991fe5b34a198fbdf8b6264a0d70471c94e5da82. 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/6H8FA8FX9JcDOloHwEejfJ.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/6H8FA8FX9JcDOloHwEejfJ.
{"copyright_id":"0xb138ae881a11dd540efed3cf8e97e507689f3e69a3d353eb0166647916a39458","isrc":"USUM70981907","name":"Pursuit Of Happiness (Nightmare)","registered_at":"2026-06-01T05:47:25Z","spotify_id":"0VvdvvxAo2Z8mdradrUSBq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb138ae881a11dd540efed3cf8e97e507689f3e69a3d353eb0166647916a39458. 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/0VvdvvxAo2Z8mdradrUSBq.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/0VvdvvxAo2Z8mdradrUSBq.
Pursuit Of Happiness - Extended Steve Aoki Remix
Man On The Moon: The End Of Day (Int'l Version)
{"copyright_id":"0x6b64e85c1ff6b1c3ba820b4660169034d1edce3fa70502d4afb722e505d94aca","isrc":"USUM70981728","name":"Alive (Nightmare)","registered_at":"2026-06-04T09:25:32Z","spotify_id":"6tg2Nnovkz4ytqnOFAYf4X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b64e85c1ff6b1c3ba820b4660169034d1edce3fa70502d4afb722e505d94aca. 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/6tg2Nnovkz4ytqnOFAYf4X.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/6tg2Nnovkz4ytqnOFAYf4X.
{"copyright_id":"0xb138ae881a11dd540efed3cf8e97e507689f3e69a3d353eb0166647916a39458","isrc":"USUM70981907","name":"Pursuit Of Happiness (Nightmare)","registered_at":"2026-06-01T05:47:26Z","spotify_id":"4kTLpAbhuEGHAAdDjOIWaa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb138ae881a11dd540efed3cf8e97e507689f3e69a3d353eb0166647916a39458. 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/4kTLpAbhuEGHAAdDjOIWaa.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/4kTLpAbhuEGHAAdDjOIWaa.
Pursuit Of Happiness [Extended Steve Aoki Remix (Explicit)]
{"copyright_id":"0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4","isrc":"USUM70917762","name":"Pursuit Of Happiness - Extended Steve Aoki Remix","registered_at":"2026-06-01T05:02:15Z","spotify_id":"5PX4uS1LqlWEPL69phPVQQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4. 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/5PX4uS1LqlWEPL69phPVQQ.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/5PX4uS1LqlWEPL69phPVQQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40390c5a39608be5ac98d68d3ad95250405f1f345156260f4fd77701cba4e6d. 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/24PqR040n1lcb5xygrgTMz.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/24PqR040n1lcb5xygrgTMz.
{"copyright_id":"0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4","isrc":"USUM70917762","name":"Pursuit Of Happiness - Extended Steve Aoki Remix","registered_at":"2026-06-01T05:02:13Z","spotify_id":"2N3oSxkDsYel7RvCOSMfsm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4. 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/2N3oSxkDsYel7RvCOSMfsm.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/2N3oSxkDsYel7RvCOSMfsm.
{"copyright_id":"0xb138ae881a11dd540efed3cf8e97e507689f3e69a3d353eb0166647916a39458","isrc":"USUM70981907","name":"Pursuit Of Happiness (Nightmare)","registered_at":"2026-06-01T05:47:26Z","spotify_id":"4yHCzb7gsPgw1UsojFmWo9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb138ae881a11dd540efed3cf8e97e507689f3e69a3d353eb0166647916a39458. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4yHCzb7gsPgw1UsojFmWo9.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/4yHCzb7gsPgw1UsojFmWo9.
{"copyright_id":"0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4","isrc":"USUM70917762","name":"Pursuit Of Happiness - Extended Steve Aoki Remix","registered_at":"2026-06-01T05:02:15Z","spotify_id":"40Am1rFNXLXZX0ctKpXsRu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40Am1rFNXLXZX0ctKpXsRu.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/40Am1rFNXLXZX0ctKpXsRu.
{"copyright_id":"0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4","isrc":"USUM70917762","name":"Pursuit Of Happiness - Extended Steve Aoki Remix","registered_at":"2026-06-01T05:02:13Z","spotify_id":"3sYFMNaeHtJACx3tlBJyVu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4. 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/3sYFMNaeHtJACx3tlBJyVu.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/3sYFMNaeHtJACx3tlBJyVu.
{"copyright_id":"0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4","isrc":"USUM70917762","name":"Pursuit Of Happiness - Extended Steve Aoki Remix","registered_at":"2026-06-01T05:02:13Z","spotify_id":"0alJszmq1vKDxJrFREd11H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4888383aab55b17a551d661f46b15334cc36f8ae45c6e76d6bd908692fed95a4. 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/0alJszmq1vKDxJrFREd11H.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/0alJszmq1vKDxJrFREd11H.