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 0x1c5820c9dbf851dd80ce81e0b27f5a11c3f0b6536cac0ca3bdc4b6cd525b4142. 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/c582d1c2-b49c-4419-9c5d-52464b580818.json and https://artists.proofprofile.net/proofs/artist/c582d1c2-b49c-4419-9c5d-52464b580818.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 0x3fe2ee28e65bd3a10a7dbf30893f8354cdc6001fc0cb30df0d877a791328cbca. 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/3TPvrMAd1hbPRXuHCRX0Pl.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/3TPvrMAd1hbPRXuHCRX0Pl.
{"copyright_id":"0xf1941b07c0ef15731b451e1b39e4887bdffd0e1e410c975ca2e34ed47f7074b8","isrc":"KRB142100023","name":"Real Thing (Feat. Dynamicduo)","registered_at":"2026-06-07T22:31:07Z","spotify_id":"2ZEiI0VpouBurGaBK2mUuE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1941b07c0ef15731b451e1b39e4887bdffd0e1e410c975ca2e34ed47f7074b8. 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/2ZEiI0VpouBurGaBK2mUuE.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/2ZEiI0VpouBurGaBK2mUuE.
{"copyright_id":"0xc5f72be34e7e59fda3a67fa1ace3d1ae4662a5b94dcb26dba6db48c166e90155","isrc":"KRA351202086","name":"I Love You (Feat. Dynamic Duo)","registered_at":"2026-06-20T21:09:07Z","spotify_id":"05iJi0PkEfEnkJij5d85sp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5f72be34e7e59fda3a67fa1ace3d1ae4662a5b94dcb26dba6db48c166e90155. 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/05iJi0PkEfEnkJij5d85sp.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/05iJi0PkEfEnkJij5d85sp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e58663f3157316797f605b753e665fed21ef40d1f237fa6d86ea1c79b6081dd. 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/3YGSzYH6RBrT38iObc3w8q.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/3YGSzYH6RBrT38iObc3w8q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f5f46942c6446d8d2b2c7e0733c40742c27a0dfa895c5228771a2cacbb34e6. 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/6raQqIU6I73Cl7heEjjkkS.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/6raQqIU6I73Cl7heEjjkkS.
{"copyright_id":"0xb3837e9301100bfa9fcab3d4e2605645f51a7aa15504a8f6e87b413601fc9a53","isrc":"ZZA0P2312403","name":"No Break (Feat. Dynamicduo)","registered_at":"2026-06-05T22:26:47Z","spotify_id":"7ptvAVljlaWLh8jzF4fzjd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3837e9301100bfa9fcab3d4e2605645f51a7aa15504a8f6e87b413601fc9a53. 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/7ptvAVljlaWLh8jzF4fzjd.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/7ptvAVljlaWLh8jzF4fzjd.
congratulations (Feat. Dynamicduo, Jay Park)
{"copyright_id":"0xcc9777ed0978c2fa6cde280f5cc057890eec242b43f8b1355ac1698258fe64ac","isrc":"KRB141200072","name":"congratulations (Feat. Dynamicduo, Jay Park)","registered_at":"2026-06-10T01:33:48Z","spotify_id":"3Ab7ieMOlZfYyRGObyi64U","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9777ed0978c2fa6cde280f5cc057890eec242b43f8b1355ac1698258fe64ac. 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/3Ab7ieMOlZfYyRGObyi64U.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/3Ab7ieMOlZfYyRGObyi64U.
{"copyright_id":"0x15874274fcc41bf595de108aaad548d872cae4cfbbc452f1b689e36cba4ed653","isrc":"KSA002200675","name":"Seat Belt (Feat. Dynamic Duo)","registered_at":"2026-06-10T12:11:12Z","spotify_id":"2WcMriAJ84pN5ZW8cBiUnQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15874274fcc41bf595de108aaad548d872cae4cfbbc452f1b689e36cba4ed653. 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/2WcMriAJ84pN5ZW8cBiUnQ.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/2WcMriAJ84pN5ZW8cBiUnQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2a84580c34cf2a3d6d2beeff65838e63d4e9fbbb96f5dad056c2eaa7a0498e. 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/4OHq2ao4pXmGq9OOuP3lxb.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/4OHq2ao4pXmGq9OOuP3lxb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1467fd95988c8e5f650c9ddd7371974aee7c72c4b293240937d7fec00a23d980. 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/1CozRXJvbYCwEUzIeAdbWZ.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/1CozRXJvbYCwEUzIeAdbWZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad22e511ac6d2df3424cf49b39f66c9968e4517f34e52e369e99efe7cad3b546. 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/5HyHWMxu2qIgzOyVcqsWPf.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/5HyHWMxu2qIgzOyVcqsWPf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13643badef179a1fdf03881725613c92698938429dae8c15cf0de4999f9dc175. 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/1ptWDDBSOmkvBN46IDvSlJ.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/1ptWDDBSOmkvBN46IDvSlJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e7f023307268968b513a7fe0cb0c583645f154900d1f631b2d3bbaaec2fa18. 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/2Au4JIm7X0xVlUQ2uP0RxY.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/2Au4JIm7X0xVlUQ2uP0RxY.
{"copyright_id":"0x81df1be61339c35ac24f1be4fc0e9f58bfef15ff261207fe0732a55f1be2824b","isrc":"USA2P1341363","name":"Solo (Feat. Alex)","registered_at":"2026-06-11T04:23:22Z","spotify_id":"3kVPDzRJKBVeqepc439JtZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81df1be61339c35ac24f1be4fc0e9f58bfef15ff261207fe0732a55f1be2824b. 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/3kVPDzRJKBVeqepc439JtZ.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/3kVPDzRJKBVeqepc439JtZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x062c7a1681be189e7e866db014a0120da7a11bb4e423f3f81dd181b9905501df. 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/1UVA0j0lkxiq8bqnVsYQZ1.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/1UVA0j0lkxiq8bqnVsYQZ1.
{"copyright_id":"0x1909cc2414dc9d225376f1ff6e19422bf1f57066b93ae81a1504ff1732db30ec","isrc":"USA2P1341365","name":"Trust Me (Feat. Supreme Team)","registered_at":"2026-06-25T15:06:39Z","spotify_id":"6gXBoDyGqD3e2GzgGFrmqp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1909cc2414dc9d225376f1ff6e19422bf1f57066b93ae81a1504ff1732db30ec. 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/6gXBoDyGqD3e2GzgGFrmqp.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/6gXBoDyGqD3e2GzgGFrmqp.
On The Beach (Feat. J.Y. Park 'The Asiansoul')