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 0x5f5fc0cdb378a5bb459a7ded1a7fa3f775818a4200b28e90bf342560a6d8a36a. 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/80e85ebd-8df3-4b1e-9655-2fc378963551.json and https://artists.proofprofile.net/proofs/artist/80e85ebd-8df3-4b1e-9655-2fc378963551.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 0x230c6baf48f9fd68ea760d289bc8413138becccc4b03c220351ecfab10abe63c. 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/6BFSobSdhAGsW3xxFnzKUU.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/6BFSobSdhAGsW3xxFnzKUU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x820cbf44079411a8a952be78e136b2fe7948685316fae317382bd673a561de3e. 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/0RUhod233GsEhWOFSHpcBz.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/0RUhod233GsEhWOFSHpcBz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9403121b3c81189ed0880899f7a93ee4d877a19a11f629f12dd386de81d58fa. 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/1oFXWGb5SWcChrzJuXXmvj.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/1oFXWGb5SWcChrzJuXXmvj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c3761d7d1fe00ffcc93f57c025e41c49e506f4caf80b189fe263a35791ea2f. 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/1HymlmazVYLLHySbZIK5bc.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/1HymlmazVYLLHySbZIK5bc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb19041610904f4ebfd2a8334db5ebdef51735449385dff8bef7c1648be0ad439. 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/1PXLHt8vtqY8AuzjvPrGHG.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/1PXLHt8vtqY8AuzjvPrGHG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x300d16f1d0e4cab2e11ad4ff6b19b5e4c552c53ffa296754982000eab96c8d4e. 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/20wIrcGG5aJS27NYcA422k.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/20wIrcGG5aJS27NYcA422k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf3a3f72366053725d4334b1b4e0cf8c5047a49fb8e07c815ca2f331f21e1965. 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/4ZKOsDXOp7eQqhIdBcuc5j.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/4ZKOsDXOp7eQqhIdBcuc5j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0cbaab13c692674ed91e21399dcea7ad890230483dfccfdaabcaa2448ad55d1. 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/6G9ZBD209DRFToSC8AEW1d.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/6G9ZBD209DRFToSC8AEW1d.
{"copyright_id":"0xf97657e47ff8ae71c8b82fb73413e98ad8ec81ee538c7fe29acd0e82fd868c0f","isrc":"BRUM72100850","name":"Flor De Lis","registered_at":"2026-06-04T08:58:23Z","spotify_id":"10AZciYmkGzQWmwohEQLj0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf97657e47ff8ae71c8b82fb73413e98ad8ec81ee538c7fe29acd0e82fd868c0f. 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/10AZciYmkGzQWmwohEQLj0.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/10AZciYmkGzQWmwohEQLj0.
{"copyright_id":"0x3cd281d1fac755f204db2524d1493bfb0c9ab152dcb8fe4013d9b04193e7d08d","isrc":"BRUM72100848","name":"Linha Do Equador","registered_at":"2026-06-05T08:20:40Z","spotify_id":"6fLxSquD4lYonPe48dWL3J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd281d1fac755f204db2524d1493bfb0c9ab152dcb8fe4013d9b04193e7d08d. 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/6fLxSquD4lYonPe48dWL3J.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/6fLxSquD4lYonPe48dWL3J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc714e3798ebe09920f5a040285bfabf8bfe83f603e1ab8790c71f1e8c8d0a6a6. 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/6WZ6M6NhmMMe4YojYodCRV.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/6WZ6M6NhmMMe4YojYodCRV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f8eff6293df4c3c18ccbcd375263bbc7b73d8aad68e9bb6ba4c3c283af5747. 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/72LKXncrEV0JqumknvCmFe.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/72LKXncrEV0JqumknvCmFe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a1ed1e0ed56604bc543e308147ab404331bd94040aa73497b6b0601511ff93. 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/6vIArV7bCoS4K0C1eFhb0Z.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/6vIArV7bCoS4K0C1eFhb0Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc3d4454a1ee8874c3ff02c7bcbbd59d4088c696c22291e8be312619f361e43. 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/4iHU3l2MXuSKb3E5S4MvN7.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/4iHU3l2MXuSKb3E5S4MvN7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697e6bbb1be9f8fc85e0276213155f6d270044cd8009c18fcea73d645417983e. 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/0KbKWd1odR5UzqLDmMppMc.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/0KbKWd1odR5UzqLDmMppMc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5afd7188406f1eb10156451ef00f691543693b221af198048b377e504838e9be. 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/7Iosm3z7gepV6umP4FJiwG.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/7Iosm3z7gepV6umP4FJiwG.
{"copyright_id":"0x14d8a455ecbee0c8fc63c4f08b6439cc1cf36b91e665d5a0400f9defbd042589","isrc":"BRX6F1900026","name":"Só Ficou o Cheiro","registered_at":"2026-06-25T17:46:30Z","spotify_id":"2ZlkVqEIJWcx3DkK4PRtPX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14d8a455ecbee0c8fc63c4f08b6439cc1cf36b91e665d5a0400f9defbd042589. 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/2ZlkVqEIJWcx3DkK4PRtPX.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/2ZlkVqEIJWcx3DkK4PRtPX.
{"copyright_id":"0x03c5f49ffe4522d10f6a7b2ea198ef792edb4f7ccf42e67dbc7259aa7f05c38c","isrc":"BRX6F2000013","name":"Só Ficou o Cheiro - Infusão","registered_at":"2026-06-20T04:10:04Z","spotify_id":"19CeNr8Dzdj93mE6Fwu6Vl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c5f49ffe4522d10f6a7b2ea198ef792edb4f7ccf42e67dbc7259aa7f05c38c. 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/19CeNr8Dzdj93mE6Fwu6Vl.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/19CeNr8Dzdj93mE6Fwu6Vl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33d27df0d8733026c7fa448575a07b1bea29ad588d0088799d857f8c257cb53b. 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/3rpE36x0xiujM9MZfRUC8f.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/3rpE36x0xiujM9MZfRUC8f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697e6bbb1be9f8fc85e0276213155f6d270044cd8009c18fcea73d645417983e. 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/5xdc46MqUsxXB9U418wSir.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/5xdc46MqUsxXB9U418wSir.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87422914f047d5327cfd88ff33e0f8eeb9dbe05e6897d829b2c1f94a3ced608a. 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/3p9Yj5E55JrBw07aEyGHA3.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/3p9Yj5E55JrBw07aEyGHA3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c3cff976e3a5e6d923505d6b38c80dc8a88f04ad3eb8b465926298dd9887e5. 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/7Ev6OkAjJDiFXtTevRmz6y.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/7Ev6OkAjJDiFXtTevRmz6y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48e10e1232cbac9f681f14f78a2da7a3b97627d23c2c90d9935075ae0509330. 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/2addv8aCsrVTqp7sVK79yW.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/2addv8aCsrVTqp7sVK79yW.
{"copyright_id":"0xd9c8a585e21a6dea595298d0ed5e0de51b412c8d8c6d6d2ae3239e3c55511811","isrc":"BRUM72003654","name":"Oceana - Luca Niott Remix","registered_at":"2026-06-19T09:25:07Z","spotify_id":"1NYsym8GjyZ0jYsAKpYTox","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c8a585e21a6dea595298d0ed5e0de51b412c8d8c6d6d2ae3239e3c55511811. 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/1NYsym8GjyZ0jYsAKpYTox.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/1NYsym8GjyZ0jYsAKpYTox.
{"copyright_id":"0xdf0baa2b9a2dfbba77dbdc54e20e92575c8013895a760e1cf0ac8b27757e4a0c","isrc":"BRUM72003653","name":"Oceana - Halux Remix","registered_at":"2026-06-25T00:32:16Z","spotify_id":"2ymXvJNExkcWVDcEIOW12n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf0baa2b9a2dfbba77dbdc54e20e92575c8013895a760e1cf0ac8b27757e4a0c. 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/2ymXvJNExkcWVDcEIOW12n.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/2ymXvJNExkcWVDcEIOW12n.
{"copyright_id":"0xb8502bc671fa85c2a749fed5251f86e1e9308c0f62e5beeefd7f1f92a40bea0c","isrc":"BRUM72003652","name":"Oceana - Bruno Knauer Remix","registered_at":"2026-06-18T14:29:43Z","spotify_id":"643NlfA7wHufODWyvtIa3r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8502bc671fa85c2a749fed5251f86e1e9308c0f62e5beeefd7f1f92a40bea0c. 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/643NlfA7wHufODWyvtIa3r.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/643NlfA7wHufODWyvtIa3r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c3cff976e3a5e6d923505d6b38c80dc8a88f04ad3eb8b465926298dd9887e5. 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/6P7DDd01nwl14TTgZzDkmS.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/6P7DDd01nwl14TTgZzDkmS.
{"copyright_id":"0xae0b2acb567626d4f571da7204bb7cf13325266a98e49809601c249f2d4f0bdf","isrc":"BRDEP2300518","name":"Não Te Largo, Não Te Troco - Acústico","registered_at":"2026-06-04T15:57:14Z","spotify_id":"6iaMYGQVUJ199uCqCYZMh3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0b2acb567626d4f571da7204bb7cf13325266a98e49809601c249f2d4f0bdf. 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/6iaMYGQVUJ199uCqCYZMh3.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/6iaMYGQVUJ199uCqCYZMh3.
{"copyright_id":"0xede5aa13a8566d762afbd5a8196dbbd89c90f4e7c7940fb5271929dac0a59281","isrc":"BRDEP2000143","name":"Não Te Largo, Não Te Troco","registered_at":"2026-06-01T22:22:51Z","spotify_id":"4aOjUCwa65AQ0uYoeQZS6Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede5aa13a8566d762afbd5a8196dbbd89c90f4e7c7940fb5271929dac0a59281. 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/4aOjUCwa65AQ0uYoeQZS6Z.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/4aOjUCwa65AQ0uYoeQZS6Z.
{"copyright_id":"0xae0b2acb567626d4f571da7204bb7cf13325266a98e49809601c249f2d4f0bdf","isrc":"BRDEP2300518","name":"Não Te Largo, Não Te Troco - Acústico","registered_at":"2026-06-04T15:57:14Z","spotify_id":"20oATguIKxxfwp1h9MlNGZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae0b2acb567626d4f571da7204bb7cf13325266a98e49809601c249f2d4f0bdf. 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/20oATguIKxxfwp1h9MlNGZ.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/20oATguIKxxfwp1h9MlNGZ.
{"copyright_id":"0x888d5c05fc40ed1e59e1840460e99ce98eed88c06f01e57cc0c2fccea40c7181","isrc":"BRUM72000766","name":"Cantando Eu Vou","registered_at":"2026-06-19T09:21:45Z","spotify_id":"07i3pSkXkzqS3RPkphFJHn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888d5c05fc40ed1e59e1840460e99ce98eed88c06f01e57cc0c2fccea40c7181. 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/07i3pSkXkzqS3RPkphFJHn.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/07i3pSkXkzqS3RPkphFJHn.