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 0xa03f0d1209933477975b12446dfa2e9bf4cd24a44fcc68b2ca8b9268da04baab. 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/60810bc5-bfdb-4052-a42d-958cfc4a6b20.json and https://artists.proofprofile.net/proofs/artist/60810bc5-bfdb-4052-a42d-958cfc4a6b20.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x10ac9acbbc9f6b9864d1cae42dabe1457994410d882a6a9eaf7c40cc0cc1c623","isrc":"TCAFW2189483","name":"Loyal, Brave, True","registered_at":"2026-06-09T22:22:24Z","spotify_id":"6hnhsOP3Sy6Ls4flZvUcyU","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 0x10ac9acbbc9f6b9864d1cae42dabe1457994410d882a6a9eaf7c40cc0cc1c623. 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/6hnhsOP3Sy6Ls4flZvUcyU.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/6hnhsOP3Sy6Ls4flZvUcyU.
{"copyright_id":"0x60eea1babedb49652f93c1ff7badd82e004a9cf7789cc07ffe620a0b41995e93","isrc":"TCAFW2189496","name":"Yi Jian Mei","registered_at":"2026-06-19T20:44:16Z","spotify_id":"4DTT1Xc59sZeKwdnNHJfXf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60eea1babedb49652f93c1ff7badd82e004a9cf7789cc07ffe620a0b41995e93. 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/4DTT1Xc59sZeKwdnNHJfXf.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/4DTT1Xc59sZeKwdnNHJfXf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50696e8fb60abac93bbc64c993bd118f058e8997cfb187bd3835680a4c13d74c. 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/2oxL1VxTcjWlOEiJKGzhPg.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/2oxL1VxTcjWlOEiJKGzhPg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb25afa2c8922463a0a2cfcd24195212add388be3830360900ef1f38615fc068. 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/4vauiOkPrrUyHTfaNOGfAh.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/4vauiOkPrrUyHTfaNOGfAh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52b8b9993ad144211e5621c83ad64cecf1f1a7095a8fe765ac9d012a75ced440. 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/4LxqeqDmRACUynjUJdIlS8.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/4LxqeqDmRACUynjUJdIlS8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe893db597c5505a81830b1d49db17c42e22ceacceb91929f7d5e2cf326e4ab49. 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/7lhS5IEC4HXa8x5NEOEO1u.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/7lhS5IEC4HXa8x5NEOEO1u.
{"copyright_id":"0x25f5f810101089b2af8fb924a2123a42ba4eb5effa63c18130fd788aed8fefc4","isrc":"TCADM1811489","name":"Remember Me","registered_at":"2026-06-09T12:36:10Z","spotify_id":"1TfPQ9m3UMmJ65EZgWVklf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25f5f810101089b2af8fb924a2123a42ba4eb5effa63c18130fd788aed8fefc4. 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/1TfPQ9m3UMmJ65EZgWVklf.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/1TfPQ9m3UMmJ65EZgWVklf.
{"copyright_id":"0xcef0faf1f114a70bf0de3d661abf23142b58a1db2ded05715dab4ebf3b72b3a6","isrc":"TCADM1811492","name":"Game of Thrones","registered_at":"2026-06-05T14:30:16Z","spotify_id":"5K8EhtMJwr6q3Fi57TIehA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef0faf1f114a70bf0de3d661abf23142b58a1db2ded05715dab4ebf3b72b3a6. 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/5K8EhtMJwr6q3Fi57TIehA.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/5K8EhtMJwr6q3Fi57TIehA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ae15167d60915c968ca58d472ed0ec2211249cf2886f31fb017fd6e16d7098d. 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/728gaeqdyKeCw9mRuPe2sn.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/728gaeqdyKeCw9mRuPe2sn.
{"copyright_id":"0xebc96be64bf04dc4baa2abda6622daf5360c79dd60c6a1780bd60ed5aec3bc49","isrc":"TCADM1811497","name":"Fairy Footstep in Greenland","registered_at":"2026-06-21T14:47:22Z","spotify_id":"05ogPbLnsRGXZUZd27yI0i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc96be64bf04dc4baa2abda6622daf5360c79dd60c6a1780bd60ed5aec3bc49. 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/05ogPbLnsRGXZUZd27yI0i.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/05ogPbLnsRGXZUZd27yI0i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4571b97419d4449d76aee00fec5a5672e0469d9610485d2c3f1ddd221f4236. 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/2CHa1zrKQMZV98FEig4CZw.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/2CHa1zrKQMZV98FEig4CZw.
{"copyright_id":"0xce8a53cc4c5dd11a0d16d7093dd715dfe80522a192e55e2f80f327bb7755e6c3","isrc":"TCADM1811503","name":"Mother in the Distance","registered_at":"2026-06-21T14:53:58Z","spotify_id":"3Ff998KNkH5f04HWcxw9HM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8a53cc4c5dd11a0d16d7093dd715dfe80522a192e55e2f80f327bb7755e6c3. 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/3Ff998KNkH5f04HWcxw9HM.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/3Ff998KNkH5f04HWcxw9HM.
{"copyright_id":"0xa2a6f7349729888730648afad9826dff418ce824e84ace0308c275bee727337d","isrc":"TCADM1811507","name":"The Last of the Mohicans","registered_at":"2026-06-06T00:16:24Z","spotify_id":"0fOfy3TWOQFi4doxYYgnqb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2a6f7349729888730648afad9826dff418ce824e84ace0308c275bee727337d. 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/0fOfy3TWOQFi4doxYYgnqb.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/0fOfy3TWOQFi4doxYYgnqb.
{"copyright_id":"0x0535b8bbd6be5868d26830dda08eb08cf5c268d7ae1cb0cec873a31783bf41af","isrc":"TCADM1811509","name":"Olive Tree","registered_at":"2026-06-23T22:34:57Z","spotify_id":"2j0gKxyzNMFxMq8UVCb8z8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0535b8bbd6be5868d26830dda08eb08cf5c268d7ae1cb0cec873a31783bf41af. 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/2j0gKxyzNMFxMq8UVCb8z8.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/2j0gKxyzNMFxMq8UVCb8z8.
{"copyright_id":"0xd4dd397fa76794ab761d93b2c6d7b9f2e0ea1a6d47dec00ee54038d0ef333641","isrc":"TCADM1811510","name":"El Kuntur Pasa","registered_at":"2026-06-25T02:49:19Z","spotify_id":"4uRaRbbl0V4bkTmtXUZZ1P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4dd397fa76794ab761d93b2c6d7b9f2e0ea1a6d47dec00ee54038d0ef333641. 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/4uRaRbbl0V4bkTmtXUZZ1P.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/4uRaRbbl0V4bkTmtXUZZ1P.
{"copyright_id":"0xe35c370e65a16c20f0d4527167a5be9fac4c9e12b13ceb6d67f0b9523acafb94","isrc":"TCADM1811512","name":"The Moon Represent My Heart","registered_at":"2026-06-07T04:42:10Z","spotify_id":"7bvrka4xpm1FKtR0dl2NtL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35c370e65a16c20f0d4527167a5be9fac4c9e12b13ceb6d67f0b9523acafb94. 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/7bvrka4xpm1FKtR0dl2NtL.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/7bvrka4xpm1FKtR0dl2NtL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4dc3d29d5e7f08da2342eac51cc417ea85524da46266ab11d755463d480d650. 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/60IVVsd6E5dB2FhrsaQsMV.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/60IVVsd6E5dB2FhrsaQsMV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ab15a01fe4c8272e4482171540181815efa9b8b001aa458bf257683f65a90af. 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/06ssJ0whEgs9SuF7Hvcvff.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/06ssJ0whEgs9SuF7Hvcvff.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3deb7779043c37741942b042db2e34bd84234737455860b0caf27249eef1a854. 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/2zpgyAf8ySAYrSW4TfdYpb.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/2zpgyAf8ySAYrSW4TfdYpb.
{"copyright_id":"0xcbffbe258cd360e8fb56bd56bad606a7c5544211295982d95a28541a245aab99","isrc":"USTC50845902","name":"House Of The Rising Sun","registered_at":"2026-06-25T02:50:46Z","spotify_id":"1b9voF15txJV28VkoLyBaB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbffbe258cd360e8fb56bd56bad606a7c5544211295982d95a28541a245aab99. 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/1b9voF15txJV28VkoLyBaB.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/1b9voF15txJV28VkoLyBaB.
{"copyright_id":"0xf2d325f47388c6b7d4ee6f5cc56e0e33eee10a77b17ff99c82315f7d941aeb61","isrc":"USTC50845906","name":"Lonely Shepherd","registered_at":"2026-06-06T13:44:26Z","spotify_id":"75sheDM75mBvl9OZNDY2ZO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d325f47388c6b7d4ee6f5cc56e0e33eee10a77b17ff99c82315f7d941aeb61. 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/75sheDM75mBvl9OZNDY2ZO.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/75sheDM75mBvl9OZNDY2ZO.
{"copyright_id":"0x2ae6d86c41c675fdd10abb38c7da36e8ac20ecff78672bb4c0433f78f4cc8bf1","isrc":"USTC50845911","name":"Far East","registered_at":"2026-06-22T14:38:25Z","spotify_id":"01BbeccorNFVTGpBylK5Qo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae6d86c41c675fdd10abb38c7da36e8ac20ecff78672bb4c0433f78f4cc8bf1. 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/01BbeccorNFVTGpBylK5Qo.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/01BbeccorNFVTGpBylK5Qo.
{"copyright_id":"0xe8323c104d088d38408fca535b1f0b0fbedb15acda0267dcb51d9423e6786afe","isrc":"USTC50846699","name":"The Power Of Goodbye","registered_at":"2026-06-07T23:21:26Z","spotify_id":"3VmhX3k9A4ewdAT8co5ffb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8323c104d088d38408fca535b1f0b0fbedb15acda0267dcb51d9423e6786afe. 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/3VmhX3k9A4ewdAT8co5ffb.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/3VmhX3k9A4ewdAT8co5ffb.
{"copyright_id":"0xf3105f57a08de575d7caed00cad508cd237c4921b5c104b2de854675b027d5f9","isrc":"USTC50846702","name":"Winners Take All","registered_at":"2026-06-27T23:26:41Z","spotify_id":"1kIP0nbZQkcuawDPMykbQ6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3105f57a08de575d7caed00cad508cd237c4921b5c104b2de854675b027d5f9. 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/1kIP0nbZQkcuawDPMykbQ6.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/1kIP0nbZQkcuawDPMykbQ6.
{"copyright_id":"0xd4e3e8ff38a26ef016dc385f7f947bbe37af3187436dcedc5926511013c37dd4","isrc":"USTC50846704","name":"Korean Theme","registered_at":"2026-06-18T08:52:34Z","spotify_id":"6W37WEiDAoEmxnom0FZzuU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e3e8ff38a26ef016dc385f7f947bbe37af3187436dcedc5926511013c37dd4. 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/6W37WEiDAoEmxnom0FZzuU.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/6W37WEiDAoEmxnom0FZzuU.
{"copyright_id":"0x882772c681de76e30bf5c221d97958be46f4152a474ded332b8b7abc4fa525b4","isrc":"USTC50846705","name":"Playing By Heart","registered_at":"2026-06-18T08:53:06Z","spotify_id":"1OHWKX3CavhyFtTFLXSOgw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882772c681de76e30bf5c221d97958be46f4152a474ded332b8b7abc4fa525b4. 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/1OHWKX3CavhyFtTFLXSOgw.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/1OHWKX3CavhyFtTFLXSOgw.
{"copyright_id":"0xecfc4e6cf83e649ede64a8222f8d365cac51069f24f85134994ba380c087a6cc","isrc":"USTC50846918","name":"The Sound Of Silence","registered_at":"2026-06-06T07:15:23Z","spotify_id":"3aUS54AYIK4BfYced4xA1p","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecfc4e6cf83e649ede64a8222f8d365cac51069f24f85134994ba380c087a6cc. 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/3aUS54AYIK4BfYced4xA1p.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/3aUS54AYIK4BfYced4xA1p.
{"copyright_id":"0xf97f786e298afbf0da0cc5bf42e9c3e0d8415504a2414fcfd5f123d67284584d","isrc":"USTC50846920","name":"Unchained Melody","registered_at":"2026-06-06T20:30:30Z","spotify_id":"2ZSXjK70ICvCTtIRZUtTwF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf97f786e298afbf0da0cc5bf42e9c3e0d8415504a2414fcfd5f123d67284584d. 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/2ZSXjK70ICvCTtIRZUtTwF.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/2ZSXjK70ICvCTtIRZUtTwF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc824db12a964b86e00f510527d4c89543e1b4330d087b2a40203fde73a7776. 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/7zi1VgdnLNZpJl5LMCnWKn.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/7zi1VgdnLNZpJl5LMCnWKn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a2f5cb7240d2040eb98724302884cdfdda0ce2e38a30e6bacd7b06e2eb0e64. 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/1fRFh0hXD6a7ro4gE9IZG6.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/1fRFh0hXD6a7ro4gE9IZG6.
{"copyright_id":"0xd08edf50a4bd3b636e11932ffcdfb52838982bb4ff0f06a8fdc2eb933a7aea62","isrc":"USTC50846924","name":"Tranen Lugen Nicht","registered_at":"2026-06-24T08:53:40Z","spotify_id":"1wwaPf1XXgtWq6JjXBL6XH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd08edf50a4bd3b636e11932ffcdfb52838982bb4ff0f06a8fdc2eb933a7aea62. 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/1wwaPf1XXgtWq6JjXBL6XH.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/1wwaPf1XXgtWq6JjXBL6XH.
{"copyright_id":"0x04fff11b51433dce4d9fdd5c53841d9cf65f90bf4d8b73aed9913ba6e4bef58d","isrc":"USTC50846927","name":"Romeo & Juliet","registered_at":"2026-06-25T02:49:23Z","spotify_id":"5ApO9ylODmLOEeTFl9Z6M2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04fff11b51433dce4d9fdd5c53841d9cf65f90bf4d8b73aed9913ba6e4bef58d. 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/5ApO9ylODmLOEeTFl9Z6M2.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/5ApO9ylODmLOEeTFl9Z6M2.
{"copyright_id":"0x64a953466ec41ac0e53e9cbe6e5901d80e8e88797755237ef27df4f9f428a5be","isrc":"TCADC1798239","name":"The Moon Represents My Heart","registered_at":"2026-06-09T22:22:34Z","spotify_id":"3FxdzKprbIF3qBavC9YAS8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a953466ec41ac0e53e9cbe6e5901d80e8e88797755237ef27df4f9f428a5be. 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/3FxdzKprbIF3qBavC9YAS8.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/3FxdzKprbIF3qBavC9YAS8.