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 0xeb251a963a6d7d66dff58d0aa77c0fa50473f678c80dadf4e2c0a443b9e14faa. 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/1a729592-bd36-42f2-9715-6ce019cd4acd.json and https://artists.proofprofile.net/proofs/artist/1a729592-bd36-42f2-9715-6ce019cd4acd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xbda6f4afc8f34f19e1ecf72081c71e4cfb356cb60f7e552d19215ef6ecbbfdb6","isrc":"BRDEP1500313","name":"É da Rádio?","registered_at":"2026-06-18T00:59:18Z","spotify_id":"6ezGKsDStBmwVNkP3pL0Oz","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 0xbda6f4afc8f34f19e1ecf72081c71e4cfb356cb60f7e552d19215ef6ecbbfdb6. 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/6ezGKsDStBmwVNkP3pL0Oz.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/6ezGKsDStBmwVNkP3pL0Oz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654e98183258a2685941dff14103f48138382152ef70cf165426829a3d720ad6. 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/3iYYzy24uam6YzRgAbG0KD.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/3iYYzy24uam6YzRgAbG0KD.
{"copyright_id":"0xa8244221dec33813ce402a597ae6da00e3a3f84fa83e83f9558f360b42cac6ea","isrc":"BRDEP1500315","name":"Primeiro Encontro","registered_at":"2026-06-21T18:12:59Z","spotify_id":"7KQ31Vn4FXxc12eWVe9BGk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8244221dec33813ce402a597ae6da00e3a3f84fa83e83f9558f360b42cac6ea. 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/7KQ31Vn4FXxc12eWVe9BGk.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/7KQ31Vn4FXxc12eWVe9BGk.
{"copyright_id":"0x9f178907e053d457c6a9431ffaf9ae2efba420e5d39e20a6e30b240d314ab6c7","isrc":"BRDEP1500316","name":"Sonho Molhado","registered_at":"2026-06-18T16:24:06Z","spotify_id":"3EhTmk9pdclq5qHH15wEjX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f178907e053d457c6a9431ffaf9ae2efba420e5d39e20a6e30b240d314ab6c7. 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/3EhTmk9pdclq5qHH15wEjX.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/3EhTmk9pdclq5qHH15wEjX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf06de38bb71a28fb67da288d108bdaa26d6058ac86dcc53f613c8c1c4b2f6afb. 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/6WfTGEPADxfobJ6AWDY1qP.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/6WfTGEPADxfobJ6AWDY1qP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3328414ab742defcc136e68fe9be39323fb6abffc9a7245fd4156f5f04d415bc. 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/6mqJwqoKdGwCMJHzj017qO.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/6mqJwqoKdGwCMJHzj017qO.
{"copyright_id":"0x4bb0e1f18514b9a562794c17561b070cc8cdc4d9f38f9e8ee09e0f8cffc324ae","isrc":"BRDEP1500319","name":"Arregaçada / U Can't Touch This","registered_at":"2026-06-05T21:42:10Z","spotify_id":"6Nw80fEKQu6XFuLYitGs7S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bb0e1f18514b9a562794c17561b070cc8cdc4d9f38f9e8ee09e0f8cffc324ae. 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/6Nw80fEKQu6XFuLYitGs7S.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/6Nw80fEKQu6XFuLYitGs7S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a42cf58a0c54541752eb7eb6235cc758e85b5aba605f95bd717052642bb349c. 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/6CD7Q71WIEauc7xBgsRyX5.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/6CD7Q71WIEauc7xBgsRyX5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35675f26235a172f40625751c6150d6db58ab29a052fe4ee563ce81abc3f1d8. 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/72h4XVgzxSXAFbVAsq30In.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/72h4XVgzxSXAFbVAsq30In.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d6f0f6bff45ac4eb50078eee620c3266a98f5a7ea57c0130853f9c76a440c5. 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/040swvF4EEB5dWV0QYGXbc.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/040swvF4EEB5dWV0QYGXbc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65dc6aaad7b535a477a292e53846fbc5ef7c6b7986fec5e745e7387d29900d3. 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/059TZ00tFdSdKvgCAtq3Hc.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/059TZ00tFdSdKvgCAtq3Hc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b752e2001b05a896057c52f666975cb3eafb7c77fa5d264ad568c18a4a5d259. 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/1C4kYoD34b1IGXHbEZ6rHE.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/1C4kYoD34b1IGXHbEZ6rHE.
{"copyright_id":"0xfd4d85a55865ae15832d21571b84db7df6c7871a25ec14b4a5509fd619300f1d","isrc":"BRDEP1400119","name":"Catraca - Faixa Bônus","registered_at":"2026-06-18T16:24:37Z","spotify_id":"71cAKHSAsAQzJQZqdRqG2D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd4d85a55865ae15832d21571b84db7df6c7871a25ec14b4a5509fd619300f1d. 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/71cAKHSAsAQzJQZqdRqG2D.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/71cAKHSAsAQzJQZqdRqG2D.
Sexy Sem Ser Vulgar (We Don't Fucking Care) - Ao Vivo
{"copyright_id":"0x26831c86dd9c53d5bbf4c7615b2e21eaf5e8ec92ff3cf97db24095ce36c76e1b","isrc":"BRDEP1400382","name":"Sexy Sem Ser Vulgar (We Don't Fucking Care) - Ao Vivo","registered_at":"2026-06-21T06:20:31Z","spotify_id":"6U0264cKEFDX3PabBouPHI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26831c86dd9c53d5bbf4c7615b2e21eaf5e8ec92ff3cf97db24095ce36c76e1b. 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/6U0264cKEFDX3PabBouPHI.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/6U0264cKEFDX3PabBouPHI.
{"copyright_id":"0x44d5ef04f49f7ab8ada550aac1facd252b1c26fdf7be4ae281700b4f8cc5cebe","isrc":"BRDEP1400390","name":"Sou Como Sou - Ao Vivo","registered_at":"2026-06-21T06:35:51Z","spotify_id":"6mpUfDgVh0VMMRn2naQaZw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44d5ef04f49f7ab8ada550aac1facd252b1c26fdf7be4ae281700b4f8cc5cebe. 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/6mpUfDgVh0VMMRn2naQaZw.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/6mpUfDgVh0VMMRn2naQaZw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ab730b8b31430f1e07355b2b383cd20c12c96d972c1fd0d434f24b6ae8f0261. 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/73wItGsQ5v8tcm0huUtfs5.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/73wItGsQ5v8tcm0huUtfs5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fd9a73423f5c99052fa7c819145452993f0245649a965525950c72d79e7fc22. 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/6pm28zwDGE8PpoxUFV861g.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/6pm28zwDGE8PpoxUFV861g.
{"copyright_id":"0x936c1285fe37131ebe48973a48d44a1070e4f5750eba8a6a6bdfb8d83ee7b5f2","isrc":"BRDEP1200276","name":"Castelo de Areias","registered_at":"2026-06-20T09:07:02Z","spotify_id":"4JrstxihhD3Bs2hH4EsQhb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x936c1285fe37131ebe48973a48d44a1070e4f5750eba8a6a6bdfb8d83ee7b5f2. 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/4JrstxihhD3Bs2hH4EsQhb.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/4JrstxihhD3Bs2hH4EsQhb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c53c9327724154e31fcda4db623a1c544333c15c62e648a6bdb606635c34a7. 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/6D83hhW0i7kN9RCRG9s5pC.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/6D83hhW0i7kN9RCRG9s5pC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77d9af572cf896a65ef86bde2e3740f768e9b90ee738ef9d54ecee7ed3e6d8c3. 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/6VlMm0Dy0VlR0K1O8pZmIc.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/6VlMm0Dy0VlR0K1O8pZmIc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611159196adb03b62cd008378d0ce65edf6b989dee5c975b1d7c24749aee25d5. 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/16arvMoCFMg8lLDUHai83x.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/16arvMoCFMg8lLDUHai83x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3062a6a01411574874e9f99003c94344cc1aac5aa26a60a16135f326d884de1b. 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/7gsTtGkmeS19iGiMkqFStW.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/7gsTtGkmeS19iGiMkqFStW.
{"copyright_id":"0x00fa0adb3ec5e2352dc3651c5a8f20135995d81097e0e86801cb7b6c56044aab","isrc":"BRDEP1200277","name":"Nêga Samurai","registered_at":"2026-06-21T06:27:07Z","spotify_id":"4egzLTlnrrCmKyZeqDiliq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00fa0adb3ec5e2352dc3651c5a8f20135995d81097e0e86801cb7b6c56044aab. 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/4egzLTlnrrCmKyZeqDiliq.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/4egzLTlnrrCmKyZeqDiliq.
{"copyright_id":"0xe546da5f0f9e88ccb4e1d1aefb2cf9ec5322cb54a2da8f6de989d37a1ae3c434","isrc":"BRDEP1200281","name":"I<3 Cafuçú","registered_at":"2026-06-09T18:42:10Z","spotify_id":"63lOynMlV6nLyI1HjPul0r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe546da5f0f9e88ccb4e1d1aefb2cf9ec5322cb54a2da8f6de989d37a1ae3c434. 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/63lOynMlV6nLyI1HjPul0r.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/63lOynMlV6nLyI1HjPul0r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93668fd5c46840d0fba062d762f629b2017b873fbee6d4b34ff32935895a9b9. 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/39bxLsVze39LTLPuaOqnUF.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/39bxLsVze39LTLPuaOqnUF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af758e8b077dc30f68f6e475fb588b75b9e51c83b2b185446692755658b9c3b. 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/4Sf5fPxSHUERS87MaVDyaC.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/4Sf5fPxSHUERS87MaVDyaC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf47296521ce7b1a8eb240423d8b06c7f7f5b7f27e095656fb8651da95c06d10f. 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/4MkG5tRFgRDCa6zjAOAFNF.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/4MkG5tRFgRDCa6zjAOAFNF.
{"copyright_id":"0x7d1d9189ac89a455736c8cfc27bf40ffc48899cfce4f66215fe525462821903b","isrc":"BRDEP1200287","name":"Shake de Amor - Bônus Track","registered_at":"2026-06-09T18:41:20Z","spotify_id":"4kW4xjtyQoWhEYd5Dc4IAv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1d9189ac89a455736c8cfc27bf40ffc48899cfce4f66215fe525462821903b. 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/4kW4xjtyQoWhEYd5Dc4IAv.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/4kW4xjtyQoWhEYd5Dc4IAv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24da5e8343a6843ab419a35fb112b40e3ceee005a30a284886193123dd054d4f. 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/6JEL1uAPBv0tECR5vZ3HH2.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/6JEL1uAPBv0tECR5vZ3HH2.
{"copyright_id":"0xaf418486cc3941b45c03ea2fbfb7ead81ef8e28d9e02031c15f324780447bfd1","isrc":"BRDEP1400118","name":"Catraca (Fear. Mr Catra)","registered_at":"2026-06-20T11:37:02Z","spotify_id":"7LOms601gOTIpSWZNS0K7O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf418486cc3941b45c03ea2fbfb7ead81ef8e28d9e02031c15f324780447bfd1. 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/7LOms601gOTIpSWZNS0K7O.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/7LOms601gOTIpSWZNS0K7O.
Catraca (Fear. Mr Catra) [Bonde do Rolê Remix]
{"copyright_id":"0xfd4d85a55865ae15832d21571b84db7df6c7871a25ec14b4a5509fd619300f1d","isrc":"BRDEP1400119","name":"Catraca (Fear. Mr Catra) [Bonde do Rolê Remix]","registered_at":"2026-06-18T16:24:37Z","spotify_id":"1XMI71A4zhfueUNJBKhj8a","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd4d85a55865ae15832d21571b84db7df6c7871a25ec14b4a5509fd619300f1d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XMI71A4zhfueUNJBKhj8a.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/1XMI71A4zhfueUNJBKhj8a.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611159196adb03b62cd008378d0ce65edf6b989dee5c975b1d7c24749aee25d5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1mGGEvLjuMxcsvyopkAJ5Q.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/1mGGEvLjuMxcsvyopkAJ5Q.
Sexy Sem Ser Vulgar (We Don't Fucking Care)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x302633263662d413c20c496c919b7792689a6650fd676389a3e46c6d7ef3fdf7. 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/6vLHKLfQcQwly2nLOBpdI6.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/6vLHKLfQcQwly2nLOBpdI6.