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 0xe1702006313a6be60a149ebbe3ac83695efeb419e0607821e3df042db8a07d62. 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/344dd6c9-a406-48e1-823c-5cd70917525b.json and https://artists.proofprofile.net/proofs/artist/344dd6c9-a406-48e1-823c-5cd70917525b.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 0x8422d6a6502b3d3fb007395666d1abc6ad76d72e2a82c96fe59b41c311e224f6. 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/5y0bpwIqo4BaLYhHrz5Gve.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/5y0bpwIqo4BaLYhHrz5Gve.
{"copyright_id":"0xc3298d96b97e584dea1533e4a7d5ac8f7645e84bf30dcf4ee9a53acd07d51084","isrc":"PLI367622300","name":"Komuś zaufać","registered_at":"2026-06-10T06:04:24Z","spotify_id":"6AgMWb4egNn3oTe2ENDCWv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3298d96b97e584dea1533e4a7d5ac8f7645e84bf30dcf4ee9a53acd07d51084. 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/6AgMWb4egNn3oTe2ENDCWv.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/6AgMWb4egNn3oTe2ENDCWv.
{"copyright_id":"0xf838f724fcef2b7db4044056be4ac65471dc3a14cdcfccc9e65150c20f7041b3","isrc":"PLI367622390","name":"Nie poganiaj mnie","registered_at":"2026-06-18T04:08:40Z","spotify_id":"61Apz8q3DWX2CkefAoNu6a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf838f724fcef2b7db4044056be4ac65471dc3a14cdcfccc9e65150c20f7041b3. 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/61Apz8q3DWX2CkefAoNu6a.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/61Apz8q3DWX2CkefAoNu6a.
{"copyright_id":"0x6ef7f11621ea51dd61f5cec45b200601a4638a52cad94c018a575494f7af20cf","isrc":"PLI367622320","name":"Tylko sobie ufam","registered_at":"2026-06-21T18:36:28Z","spotify_id":"63RXK6lVhLgtrgUsIdUprD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ef7f11621ea51dd61f5cec45b200601a4638a52cad94c018a575494f7af20cf. 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/63RXK6lVhLgtrgUsIdUprD.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/63RXK6lVhLgtrgUsIdUprD.
{"copyright_id":"0xe23510a91b23af416a436e74e7b0f2eadec0394a8692e7b11ecca3bfe4f9db54","isrc":"PLI367622400","name":"Rozmowa z diabłem","registered_at":"2026-06-07T14:45:56Z","spotify_id":"4kk3K4MHJEBxE9VLAuvXT6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23510a91b23af416a436e74e7b0f2eadec0394a8692e7b11ecca3bfe4f9db54. 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/4kk3K4MHJEBxE9VLAuvXT6.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/4kk3K4MHJEBxE9VLAuvXT6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ac9ef1d6ad56473acc7d9a3b8d678266488e8a16e580c7c26d89ae09f2cbe9. 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/058vPifyIcisyDT1JsAxny.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/058vPifyIcisyDT1JsAxny.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f19358db7935a0fd9ffb0bbdd271c5a619233bfe081cd8162ea7e9dcc4b864f. 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/5BYfXFJ2hJcHygu3RyoVZd.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/5BYfXFJ2hJcHygu3RyoVZd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x436fc3e262333720cdb5b1812329f5989a6e1888f22c852c8bcc9be353ad5294. 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/6y5oPXjzrwPPhxSNfG0pXU.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/6y5oPXjzrwPPhxSNfG0pXU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee963f238457d03f7a6001cdd1779e5a3e1f17b6f4e8fddf444e360849e89d66. 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/3e98mmDTvRtX6uLDmpUwxz.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/3e98mmDTvRtX6uLDmpUwxz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb018c3eda51e70c38a471134f92086d02979fcfaf6ed3506c86880dc46940b0. 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/7CZtqQwgiRoAVgRZ3hDVrm.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/7CZtqQwgiRoAVgRZ3hDVrm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7b78b8dcd7c9c38a99a5893847ebb135bad539f5f3ab1d9525eaecba698b586. 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/58rZ0qUkCUcnqI439oJZDg.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/58rZ0qUkCUcnqI439oJZDg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d580401bdf97cfc486f8c012f4d736b13153b9b3f996a8742ba27f7a5bba33a. 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/1MJ0AEc2ggIi6Uengr2EoM.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/1MJ0AEc2ggIi6Uengr2EoM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6a3f4238cf0df1b8a811d16d7ce700a293be0dcc69d77008afd34dd4e365e1. 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/6muMLc7AJrwN2J3xjwKtQP.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/6muMLc7AJrwN2J3xjwKtQP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x377490e2fcfb204b634b0f44a38f81000f6e4286eaa8d20cc947eb3c08954852. 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/3Uv1GWn12GfT9x2LEkJfZN.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/3Uv1GWn12GfT9x2LEkJfZN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3add08a556bef1d894f2ba6e252062148843d1dae34fab87178226b9760ad75e. 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/4ZChIyy8cL4EDLfV9caR2Y.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/4ZChIyy8cL4EDLfV9caR2Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d56ef64f965c4c29e4f1d642a36e2096cc42acd9ab66be4e8298ce7e8d8b230. 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/39oSgfKb86Bji5uyT59WX8.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/39oSgfKb86Bji5uyT59WX8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac49d42412d04fd3f17e936212eb4def3958f98317486343fe80e2753864d518. 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/5yrpMwwG6R0cccNV33o3ni.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/5yrpMwwG6R0cccNV33o3ni.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28b54a46810b5974b40d8df5a650867f206df11a2f560d65fc0870abd6e0c0ae. 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/7Fx3u5sGjPanGErbnLLOYv.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/7Fx3u5sGjPanGErbnLLOYv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb98b0a0812d569d7d4a610fe35f96d527c9e41538a2e3534055fd23b29e99ea1. 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/0RxouIBd64crCrkZpBWjZI.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/0RxouIBd64crCrkZpBWjZI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ea5f11fb4661262c7957e2d1a6882f9cb25acf1d541eb5541f58367b4191462. 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/2VWeaPX75pZMPlDrqdMD7U.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/2VWeaPX75pZMPlDrqdMD7U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26efcaf849cf592a9bc1ec4db94497076953d05d41f99c05af64e2de41474aaa. 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/1ZnBFWZP7D5790NqIGNOzg.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/1ZnBFWZP7D5790NqIGNOzg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadbedff2508cc1d40db976ec0d8f17e7139469664b7022867f7e87b1b3d5644b. 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/3C4awfTyTZSYGwcF1xuewb.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/3C4awfTyTZSYGwcF1xuewb.
{"copyright_id":"0x23a964544a36cae430d9ac898798a6f3ddab2dcd5cca9b937a8bf9e4cebc2008","isrc":"PLF241906103","name":"No to patrz","registered_at":"2026-06-07T08:35:22Z","spotify_id":"10Cplj0CnaXdzozayUOeGA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a964544a36cae430d9ac898798a6f3ddab2dcd5cca9b937a8bf9e4cebc2008. 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/10Cplj0CnaXdzozayUOeGA.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/10Cplj0CnaXdzozayUOeGA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef2ad14ea5bd653c8e981560b7daa724ed91332fdb1be21d255e6f6aa6a35cc. 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/7tGEAf4eGHuRS77pWhT3d2.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/7tGEAf4eGHuRS77pWhT3d2.
{"copyright_id":"0xf77e44293274e5d9cfbeded096d7bf27915db28fafea9f796aabbcb790fe6dc9","isrc":"PLF241906105","name":"Sodoma Gomora","registered_at":"2026-06-08T04:53:49Z","spotify_id":"1LYqOZvvkPB4FbLY21GSV4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77e44293274e5d9cfbeded096d7bf27915db28fafea9f796aabbcb790fe6dc9. 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/1LYqOZvvkPB4FbLY21GSV4.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/1LYqOZvvkPB4FbLY21GSV4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1755969546f0a51d6d52e04cd12cf7fd487ba3035e30aa063d4654c4c46f945. 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/3IZ7x29Zx6PcQsAMMn4yvx.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/3IZ7x29Zx6PcQsAMMn4yvx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a946a77ebbe4df1b9b5493d07f2daf641515815553add53d44d87a184a9b46c. 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/1IDIMMztC3UnsIbHafkyVD.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/1IDIMMztC3UnsIbHafkyVD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e4dbe3bebe749d5686d71b54e5fe1a034ab529f3b2d8ebf28c5bf18bef240b3. 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/6KbgAUZNkwluDu3EAgtKLz.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/6KbgAUZNkwluDu3EAgtKLz.
{"copyright_id":"0xb1b46333ef631b55112bb5f112150a57c3fd78d7fb15bf42e726ec4a26f220f4","isrc":"PL41A2200048","name":"Bym zobaczył słońce znów","registered_at":"2026-06-22T06:21:04Z","spotify_id":"1YeafplMbTamNNOdocVSeJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b46333ef631b55112bb5f112150a57c3fd78d7fb15bf42e726ec4a26f220f4. 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/1YeafplMbTamNNOdocVSeJ.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/1YeafplMbTamNNOdocVSeJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb5e0c00aca31e3426817420477bd2ef2a122779cbe9c950403c3680a374332. 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/5GXRZpu6E1YHhv6fHvHMKW.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/5GXRZpu6E1YHhv6fHvHMKW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c2dbc67e73bb65927436103cc9deff8cf65fb1ced3da5f544575dd049fe03d6. 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/5vEZMNA8u8jwplNV7zfraZ.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/5vEZMNA8u8jwplNV7zfraZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5a330f96705a7d72e9f51e04b9a478b61637d8a966af60416c524e79f9dd30. 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/3ZxPAmMJyHsNiZH4wsUUaN.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/3ZxPAmMJyHsNiZH4wsUUaN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28eb99ffc266a3093dde594387ed40929ef02e61f65bbad96d72922d5ef13ec. 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/0VdCZvsODAKAlNd3sRrC8h.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/0VdCZvsODAKAlNd3sRrC8h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52af7752dafd8c08f8e1cff558526c20b0eea3df80aa2f5b74a4f0506ba15ad. 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/76fsZxaQLpb1VL3lW1fIUa.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/76fsZxaQLpb1VL3lW1fIUa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x507c0c07ebb6bc9de8e80482379ca958be640e12633a37799e3282d9f4c52611. 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/6incgfCVhUt0nxOqmis9vW.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/6incgfCVhUt0nxOqmis9vW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe532aa5a19e04493721c6d3a1a478d0ba271eca87f33896e72a6d100512cf153. 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/5OkElE128FDhZhVcfNx2sq.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/5OkElE128FDhZhVcfNx2sq.
{"copyright_id":"0x215eb0f1f270adaeddab7fe89ab05e992f4de2eae3a652d97171c0f9a5fbb003","isrc":"PL41A2100002","name":"Rucker Park","registered_at":"2026-06-10T17:17:33Z","spotify_id":"1RU7kqg7SEIiC7t8vAv4dz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215eb0f1f270adaeddab7fe89ab05e992f4de2eae3a652d97171c0f9a5fbb003. 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/1RU7kqg7SEIiC7t8vAv4dz.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/1RU7kqg7SEIiC7t8vAv4dz.
{"copyright_id":"0xf390be38cedbc9eea058a710393a4e0fbe83ca9d87af1e6d66103a0bfa4aed84","isrc":"PL41A2100008","name":"Nim wyruszę w drogę","registered_at":"2026-06-18T11:38:53Z","spotify_id":"41YOtcGZrkIn29TQcyROLI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf390be38cedbc9eea058a710393a4e0fbe83ca9d87af1e6d66103a0bfa4aed84. 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/41YOtcGZrkIn29TQcyROLI.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/41YOtcGZrkIn29TQcyROLI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8598a205ceac8bb0947e1b668f563a7f5b94ed0b0200344331b5d1bb80ec81de. 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/0D7S6re74U90MVRNc2gHtT.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/0D7S6re74U90MVRNc2gHtT.