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 0xc22df10f75c15a0b4b1c0c2108c7c1f7938a9866d3708dd86cb23c6cdc6676c1. 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/5541862e-0648-4f88-805e-245581a56918.json and https://artists.proofprofile.net/proofs/artist/5541862e-0648-4f88-805e-245581a56918.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 0xcf31e7d87075ddf20da13a3be9d544fc3e48db1ab1b2e091976c0b263cfc2251. 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/5BciFtQG5SJg6aa2PSgnr9.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/5BciFtQG5SJg6aa2PSgnr9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702bbb3cbc4d9ede4719ffb68264713e40f722060fb78d5fba0dfe8f59f93939. 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/6H5Au8nOo8eaWMga2O6ntM.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/6H5Au8nOo8eaWMga2O6ntM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a635b388258a0c9e5249ea573569dbadec2edcb8e9f42d48b5fcb67e906ad3. 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/036DrB9LguQLZUnxKcjctQ.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/036DrB9LguQLZUnxKcjctQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7efe7783c913e128e72c309f988a73cbfcbe24ebf729c2c7a93e1068813376a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2HuvpUTVClbCqV6iV3uCD3.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/2HuvpUTVClbCqV6iV3uCD3.
{"copyright_id":"0x708ef3f798d98cedf4ceb39efd1fe7a913f7fcd124d0eb4d02f2e055c87817ee","isrc":"QMFMF2392335","name":"Khoya Rahun","registered_at":"2026-06-18T05:39:39Z","spotify_id":"2BCBGmOidYgttheDXc7yWh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708ef3f798d98cedf4ceb39efd1fe7a913f7fcd124d0eb4d02f2e055c87817ee. 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/2BCBGmOidYgttheDXc7yWh.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/2BCBGmOidYgttheDXc7yWh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5798c8203eb527eb9c519049dbb18806dbbfdb6e2c619135ddc855e40742849f. 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/0BKPNI3tRUV7bAoFVJQ0Dv.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/0BKPNI3tRUV7bAoFVJQ0Dv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc3c9b79265f176c24a11e79ec6eeb319ef21c3bee7fd5b186e624a9e394a94a. 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/0og6yQkdya4bsYnhshXVvV.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/0og6yQkdya4bsYnhshXVvV.
{"copyright_id":"0x2920cd8efaf781f8658ee4e41cfa7773418df7c5bb0c759b35dda2c8fe065417","isrc":"INS172307772","name":"Vellake - Unplugged","registered_at":"2026-06-07T21:09:02Z","spotify_id":"3sBbbhE1sRehtQVC2KnkvV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2920cd8efaf781f8658ee4e41cfa7773418df7c5bb0c759b35dda2c8fe065417. 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/3sBbbhE1sRehtQVC2KnkvV.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/3sBbbhE1sRehtQVC2KnkvV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c07e1b6a8baa56e9bf444c057b2a19f9422d85aa77d952767c6bbb99e6c0b7. 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/4E3hJOkgBmAdcY0vp6ETNI.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/4E3hJOkgBmAdcY0vp6ETNI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb4094d152de2c8be107cbe5666029d02211dc4b77cc9c80f3a268e274a3e74. 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/06TxIKSpuVJzZpF374WcWQ.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/06TxIKSpuVJzZpF374WcWQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44277782b0ac6574661cd842b11d7748e01ce81348522367207f83ab2c21cecf. 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/2aiFwTLjAPGyqoiOL5AQ0t.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/2aiFwTLjAPGyqoiOL5AQ0t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb395f00e0c1e9669b6dc490eb815629c9256a7b19aaa339d2258ef1e2f880a0b. 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/2cDyQDAoP0cPQXzaviXu2f.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/2cDyQDAoP0cPQXzaviXu2f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18cd6457269914038eca1d269fb004aad23ad0afde0f1e1943520ef0099208fe. 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/2Qd9c2I6ljy3VU4MAkgk70.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/2Qd9c2I6ljy3VU4MAkgk70.
{"copyright_id":"0xe45b11483c53263968e9db3e7cbb1f12d4183577d06ef12982825681e31ab5ba","isrc":"FRX282358953","name":"Ab Pyaar Na Karna Hai Tujhe","registered_at":"2026-06-10T21:38:31Z","spotify_id":"5bZYsGWR4VwGrsvfsPuzIt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45b11483c53263968e9db3e7cbb1f12d4183577d06ef12982825681e31ab5ba. 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/5bZYsGWR4VwGrsvfsPuzIt.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/5bZYsGWR4VwGrsvfsPuzIt.
Ratchan (Original Motion Picture Soundtrack)
The Ghost (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x093245e8dc69ab894a63356df8074ed440e94a92674537cd3dcf17fc598d9ef9. 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/1IM5UgcN82m2bRw7ZDjFfE.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/1IM5UgcN82m2bRw7ZDjFfE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02db7a825c73d7a1451abe36867783e59ff7cca3dcd266f3ba6df0c85981e5a1. 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/5wIa8Tew9MKqgIpjzZo1n9.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/5wIa8Tew9MKqgIpjzZo1n9.
{"copyright_id":"0x6fe29a77cebcd22bdd1d42421b078d8bc59c68807355a2ad353dca697c0148fd","isrc":"INS172222191","name":"Dooralaina Teeralaina","registered_at":"2026-06-23T05:43:40Z","spotify_id":"53YTlcsx8oTWpKf2OmbkBF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe29a77cebcd22bdd1d42421b078d8bc59c68807355a2ad353dca697c0148fd. 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/53YTlcsx8oTWpKf2OmbkBF.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/53YTlcsx8oTWpKf2OmbkBF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fe472a09ed0a94bf098223705b2ee18e8054ccdc70cd68db8bd954612ea495. 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/51k6TnZw0Ia8kYGieORP22.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/51k6TnZw0Ia8kYGieORP22.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x093245e8dc69ab894a63356df8074ed440e94a92674537cd3dcf17fc598d9ef9. 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/3kAZwkcbRrj0kRtkZ6jiBK.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/3kAZwkcbRrj0kRtkZ6jiBK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c4662899cf84024420cfdc6d733f35bf99d3797488741d117d48cf71d897de. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/44Kn9w1iCn0RzIfRUw6d2w.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/44Kn9w1iCn0RzIfRUw6d2w.
{"copyright_id":"0x888822775868e22573bd7b1863ca172cd5464b2ad0bcfeb6b63216ad5400d7fb","isrc":"FRX452203267","name":"Khushiyon Ka Jahan","registered_at":"2026-06-27T15:11:41Z","spotify_id":"3HsXV0OVltjVLTGZQodcqe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888822775868e22573bd7b1863ca172cd5464b2ad0bcfeb6b63216ad5400d7fb. 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/3HsXV0OVltjVLTGZQodcqe.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/3HsXV0OVltjVLTGZQodcqe.
{"copyright_id":"0xeaaafc264aed233ef167f7b831fea46caa5182cbb0539cda77c1a274a1ca790a","isrc":"FRX282128061","name":"Tujh Bin - Instrumental","registered_at":"2026-06-04T16:33:17Z","spotify_id":"5pg2lC0sI6aSjNKjFqfW2d","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaaafc264aed233ef167f7b831fea46caa5182cbb0539cda77c1a274a1ca790a. 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/5pg2lC0sI6aSjNKjFqfW2d.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/5pg2lC0sI6aSjNKjFqfW2d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04a458ccae6c55059c302be3454ac64cbe7a9525eeeaa064d44d6f168f5b6e73. 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/3iX9itS47Se3aVoxjiBexl.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/3iX9itS47Se3aVoxjiBexl.
Puncch Beat Season 2 Anthem (From "Puncch Beat Season 2")
Puncch Beat Season 2 Anthem - From "Puncch Beat Season 2"
{"copyright_id":"0xe2052d3c049ac12e2b61a421c32d80c75ebe98b8a9828fc570a150ee5f9ef75d","isrc":"INZ031409236","name":"Puncch Beat Season 2 Anthem - From \"Puncch Beat Season 2\"","registered_at":"2026-06-25T21:51:51Z","spotify_id":"4fsSxMtKNOxI7rIE1yb67h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2052d3c049ac12e2b61a421c32d80c75ebe98b8a9828fc570a150ee5f9ef75d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fsSxMtKNOxI7rIE1yb67h.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/4fsSxMtKNOxI7rIE1yb67h.