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 0x7bd3963a6f92dac2e5e8b4e58c26162e80f2a0b4bc1515b226b77afc9394c0d2. 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/de184128-5ed3-4171-86cd-4b8266a2d861.json and https://artists.proofprofile.net/proofs/artist/de184128-5ed3-4171-86cd-4b8266a2d861.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 0xf580bef5e53273a03269204ca8b6b1599528e576cb636be980873befe0a8dec2. 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/29lP6jz5HVV0hwavmyNMpj.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/29lP6jz5HVV0hwavmyNMpj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d21f5ea5727e8fcef771f15846689d20320c53a603ef9eae3c5383672380cc. 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/1cAluQ4L5QeOFj7H2K0cqn.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/1cAluQ4L5QeOFj7H2K0cqn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72d6c3e384722441ec43db5cdb2b133cb8d8b57b7272fdfc48afeb48b22e9836. 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/2ehT0k38FC8iIa13MLadqu.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/2ehT0k38FC8iIa13MLadqu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd06270f1cf8a8a1a011e347855f0a7c1db0f03aa7576e9fe7859aa71ae415c0b. 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/41iCeIV9I2rJAI56izRuZ9.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/41iCeIV9I2rJAI56izRuZ9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574725f79b870c708c3f873977a1c1e0dd4a99f64093a9d5edb2bfb19f2f6bef. 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/5SInHNg2AGHUOwfretSas9.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/5SInHNg2AGHUOwfretSas9.
{"copyright_id":"0xa4ec2e21329d061d3e0a4bdd83b9d43cf2bff3929ca07c218a07f9e8b28824e1","isrc":"PLC061302298","name":"Nieodwołalnie kocham cię","registered_at":"2026-06-26T03:43:04Z","spotify_id":"3oEsfUbdJIABoSYzKipS1h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ec2e21329d061d3e0a4bdd83b9d43cf2bff3929ca07c218a07f9e8b28824e1. 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/3oEsfUbdJIABoSYzKipS1h.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/3oEsfUbdJIABoSYzKipS1h.
{"copyright_id":"0xdbc69b0b99282680537ad7b92a36dc2c97fb14268f9be749b18e6880eaf56af8","isrc":"PLI365269380","name":"Bez ciemności nie ma snów","registered_at":"2026-06-07T09:52:48Z","spotify_id":"7hi1LRolUxusOWZz00fUh2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbc69b0b99282680537ad7b92a36dc2c97fb14268f9be749b18e6880eaf56af8. 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/7hi1LRolUxusOWZz00fUh2.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/7hi1LRolUxusOWZz00fUh2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x169763b34a00c9cb159c5582146bafc400d8b46cbe07691422100e6c0793f245. 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/5pw0PKFGFsnDnaHaAjRzSn.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/5pw0PKFGFsnDnaHaAjRzSn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3747ef56e8f903b544cb41a6eb4104a8c682df5c1195adedcf195a55f5acc743. 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/6mUMXW97xdKQ1tXBfLmYWR.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/6mUMXW97xdKQ1tXBfLmYWR.
{"copyright_id":"0x6c4555ca92fbf2c2badd7e53b1502e46474d9c26dff9a48749dde948c592a4d9","isrc":"PLI365269400","name":"Gdyby nie Ty","registered_at":"2026-06-08T10:09:21Z","spotify_id":"3QrtZbrBQQ0zYeYOXYnpx3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4555ca92fbf2c2badd7e53b1502e46474d9c26dff9a48749dde948c592a4d9. 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/3QrtZbrBQQ0zYeYOXYnpx3.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/3QrtZbrBQQ0zYeYOXYnpx3.
{"copyright_id":"0x4197623cc08f48918ef3138ee5b6917efa05028557c22b00c48ef12004dbc3bb","isrc":"PLI365269430","name":"Za jeden uśmiech twój","registered_at":"2026-06-04T11:15:07Z","spotify_id":"3jwgnNTtT1rISvpokTamEY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4197623cc08f48918ef3138ee5b6917efa05028557c22b00c48ef12004dbc3bb. 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/3jwgnNTtT1rISvpokTamEY.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/3jwgnNTtT1rISvpokTamEY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaea47997064037ee675c1aeb9c0d6e312b4ddfaf1fa57993775c347c3887278. 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/4Zoe1nMbY6T9NpNVKHrLZ8.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/4Zoe1nMbY6T9NpNVKHrLZ8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2718b68c9c85469052d14d094b3e0e44f165d2572d85e74a3841d078639fb2d1. 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/0pEFyhj4UcQYqwMCToGNr9.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/0pEFyhj4UcQYqwMCToGNr9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63029cd14c74a96ddabf6f354a4b8048fe3f318715495031bc5496ac71b8bb43. 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/21uZ7UErsttZ3BWiQ3cZYW.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/21uZ7UErsttZ3BWiQ3cZYW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7408c99631d8efef4c9b364c905a1d234f3c38b4a9158c544c8d0674763971c5. 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/6cfRUJpbJJslfREcSD29KT.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/6cfRUJpbJJslfREcSD29KT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x012bb49c9a87db35946a3997dba3a186861f08ab0040facdd2ba3588f33d33ec. 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/7LfDAEzoliTnIeloALma99.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/7LfDAEzoliTnIeloALma99.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64abd8cf5449553c185cc49911cec9d1260149e63911e92aead79abf6504201. 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/73FaWkvRSgs1up9Qsk0QtH.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/73FaWkvRSgs1up9Qsk0QtH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa01572a600374a3db7332623ed6741b9dd3d4f17d629761a22848b27850b728a. 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/4337JVDVRToqTeksL6mEbs.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/4337JVDVRToqTeksL6mEbs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf71d22bdb9bc2bb65b5ac0c1bad57a61bd3d69573ebde8c1bfc1b458078c653. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Z0ld4DZ3Tmg6RRqLpOdRs.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/1Z0ld4DZ3Tmg6RRqLpOdRs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x635750dea36d525a546981ce018e3ec105b4c378f9528935929f0c1cb19cc5e8. 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/6Fq2oQwtkrhlhB4f9RHpjf.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/6Fq2oQwtkrhlhB4f9RHpjf.
{"copyright_id":"0x3ff838c3ff0058205b42bb3dec55f702ddc363bc91c869a0f3af576a82ce5816","isrc":"PLI365265450","name":"Niebo bez Ciebie","registered_at":"2026-06-05T14:11:01Z","spotify_id":"4RY6a1xrgdpdhYuHrFV3vI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff838c3ff0058205b42bb3dec55f702ddc363bc91c869a0f3af576a82ce5816. 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/4RY6a1xrgdpdhYuHrFV3vI.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/4RY6a1xrgdpdhYuHrFV3vI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9581b0f3822e9761f2558ec32c8cca32d40e762c71a2a70e738255037007e9. 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/1Jz8mjBW3yxgHt8DyPuOFG.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/1Jz8mjBW3yxgHt8DyPuOFG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53d40dd3c04dc086457b607c491f45c874c1799129e390e38efc4e1dbf5de80. 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/1u9QcG3oDW0LrKfNLf2uaz.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/1u9QcG3oDW0LrKfNLf2uaz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a51e57d8aec748c83daf92c31b48873aa5b470aa697066f027e6a598d8771c. 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/7INhMAyBPA3tSaVHKGrQFm.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/7INhMAyBPA3tSaVHKGrQFm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a9abc7cc0636d9a76a9228e91c88185b0528d62822a888b323b054133d90d7. 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/7L0szIaovvOjJmZLahPzHW.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/7L0szIaovvOjJmZLahPzHW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366b8a8893860f45775a5a43d54e105db12b99bdf2f197c7c21289e1e3312256. 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/3S7eSkJHHYF6MzBKwOVAvk.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/3S7eSkJHHYF6MzBKwOVAvk.
{"copyright_id":"0x591321fa1d78a8d56a82f3b4b87e436d83cf359f7c5f6d5fa7c434e53aa9eecf","isrc":"PLI365267530","name":"Niebo bez ciebie","registered_at":"2026-06-08T06:36:59Z","spotify_id":"51TtQTI0UcgHX2VjFhthZm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x591321fa1d78a8d56a82f3b4b87e436d83cf359f7c5f6d5fa7c434e53aa9eecf. 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/51TtQTI0UcgHX2VjFhthZm.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/51TtQTI0UcgHX2VjFhthZm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a732bd4614a9720c0425008c25bd7f64ddeb1128545d4787bd82935f4c5d7e. 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/6YrklxvbCcme4Hqa45DGIJ.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/6YrklxvbCcme4Hqa45DGIJ.
{"copyright_id":"0x4babf239c8ca3b076e59fc4e17a5ab85b2319dfaf830cf5a25cdedcb0a26dea1","isrc":"PLI365267550","name":"Mistyfikacja uczuć","registered_at":"2026-06-08T15:25:49Z","spotify_id":"4mxI21yryyu3J2mgKDP1a2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4babf239c8ca3b076e59fc4e17a5ab85b2319dfaf830cf5a25cdedcb0a26dea1. 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/4mxI21yryyu3J2mgKDP1a2.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/4mxI21yryyu3J2mgKDP1a2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc543ed178f13a9b04025578eef03f7b93143a54b08405269f1d454150dd2a4e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4RIgwkn9cBh5IqLS3r8LRG.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/4RIgwkn9cBh5IqLS3r8LRG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e4f1654fab01b24187013b2332ade3f8b6af5274b7c43879ee1811e3acb7e2. 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/2smSbjNzjRI4ZmmgzrOfPb.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/2smSbjNzjRI4ZmmgzrOfPb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3832c7b219cba8fad577b0cc01611264cbcb4f17154c335ef007c46b58ff2ab6. 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/4P0ut3z9YQxdSQZojELNZ9.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/4P0ut3z9YQxdSQZojELNZ9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0d9a45b3ecb80173e9e24d3281ef697384eed5e20bf0750f8a1dabd084422a. 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/5b4X7K3mxm2iwkJmwXwzRB.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/5b4X7K3mxm2iwkJmwXwzRB.
{"copyright_id":"0xa93607c706ee51664acd3d689ff257b0e16f91a617706c1ab134b9c7eff001f0","isrc":"PLF242412262","name":"Będę Twym Aniołem","registered_at":"2026-06-05T17:52:02Z","spotify_id":"0RvtLHgmefI0VCj1BratRU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93607c706ee51664acd3d689ff257b0e16f91a617706c1ab134b9c7eff001f0. 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/0RvtLHgmefI0VCj1BratRU.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/0RvtLHgmefI0VCj1BratRU.
{"copyright_id":"0xa6b23eafcd94c381012d64098eb1abf813ea28fb73191707c8dc0130d2745437","isrc":"PLI362207930","name":"Wystarczysz tylko Ty - DJ Velu Remix","registered_at":"2026-06-18T12:15:36Z","spotify_id":"4uV4RJZ69ih6Pr55HcQQT7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6b23eafcd94c381012d64098eb1abf813ea28fb73191707c8dc0130d2745437. 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/4uV4RJZ69ih6Pr55HcQQT7.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/4uV4RJZ69ih6Pr55HcQQT7.
{"copyright_id":"0xa0596f39b5233dbdeb214fe98f3d9469dbf353d2a5e7b1f9780ad56e6d5cc5d5","isrc":"PLA551300418","name":"To dla Ciebie","registered_at":"2026-06-27T19:29:30Z","spotify_id":"4WJyiSZPVBXcYsXWqdU1f1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0596f39b5233dbdeb214fe98f3d9469dbf353d2a5e7b1f9780ad56e6d5cc5d5. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4WJyiSZPVBXcYsXWqdU1f1.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/4WJyiSZPVBXcYsXWqdU1f1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x555cdd428cc5c608543094a4b88549d95bb2d7414f8114c8b434cd5b1054bc52. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/23wd86S2HOz70E9raGarlm.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/23wd86S2HOz70E9raGarlm.