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 0x31570ae0ea50b976602b54ef95752697e9a986179e8df606a9fc723922ae4b36. 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/1dcd3547-a545-487f-ac4c-8a4c8ae04a6e.json and https://artists.proofprofile.net/proofs/artist/1dcd3547-a545-487f-ac4c-8a4c8ae04a6e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Caju pra Baixo e Ferrugem (Ao Vivo FM O Dia)
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 0xb360d7a55498b44a379c2a8d136c62b8045360b783ceb4444b90400f5241fd95. 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/43Z4R4VuWD0fbP33fpaRec.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/43Z4R4VuWD0fbP33fpaRec.
{"copyright_id":"0xcfa0b5893166ef7c3bf21185a3328292f3840ac3cc9cfc8a5450d36987b1762c","isrc":"ISRCB2400224","name":"Quando Você Me Beija - Ao Vivo","registered_at":"2026-06-04T09:19:04Z","spotify_id":"5g5ENkIPzUhIPlqgiCrGvL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa0b5893166ef7c3bf21185a3328292f3840ac3cc9cfc8a5450d36987b1762c. 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/5g5ENkIPzUhIPlqgiCrGvL.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/5g5ENkIPzUhIPlqgiCrGvL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x263130ad68f8723ac09720e3e28ea7246301da2443d22e5f722d31b2f77db9b4. 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/1UcmR6D9Ze3nTeJtbwptzj.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/1UcmR6D9Ze3nTeJtbwptzj.
{"copyright_id":"0x172f57fde00bd0c73d7e79974d7ce52482f2a4e2d07a6ae07de1f2abdce46f05","isrc":"ISRCB2400207","name":"Por Tão Pouco - Ao Vivo","registered_at":"2026-06-04T10:56:50Z","spotify_id":"0i5wPAWrY1ycxCQmhrBsPp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172f57fde00bd0c73d7e79974d7ce52482f2a4e2d07a6ae07de1f2abdce46f05. 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/0i5wPAWrY1ycxCQmhrBsPp.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/0i5wPAWrY1ycxCQmhrBsPp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28997d9137036de62861bf85534b48d2623fd184b01497355c968b3260bb8c16. 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/0UnTX69mAuK0jmyiKiWdyy.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/0UnTX69mAuK0jmyiKiWdyy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccadc419db9a05e54a523c1b9b791246a7815c8f8396f413a3d30178a5ca05ea. 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/0ie88qxnvpwkx6Aqk5Zkgr.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/0ie88qxnvpwkx6Aqk5Zkgr.
{"copyright_id":"0x5c29cede64d071bd2db5216492f4adb5a9b8b202f9a32009a151b2d42d86b141","isrc":"ISRCB2400209","name":"Sem Perceber - Ao Vivo","registered_at":"2026-06-04T14:23:01Z","spotify_id":"6uTYVCbJul7yjmVTvgrDqi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c29cede64d071bd2db5216492f4adb5a9b8b202f9a32009a151b2d42d86b141. 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/6uTYVCbJul7yjmVTvgrDqi.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/6uTYVCbJul7yjmVTvgrDqi.
{"copyright_id":"0x3cc895d4c791fc08d105546deffda31a1d0152bf135171835735e633f6cfb96e","isrc":"ISRCB2400211","name":"Mais uma Chance - Ao Vivo","registered_at":"2026-06-04T16:06:25Z","spotify_id":"2TGOKHgX5TqBcCtvrnImhJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc895d4c791fc08d105546deffda31a1d0152bf135171835735e633f6cfb96e. 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/2TGOKHgX5TqBcCtvrnImhJ.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/2TGOKHgX5TqBcCtvrnImhJ.
{"copyright_id":"0xc28a8fd05b72ebdb2ef01587a3cba567ec940f5a06806f624dcf6ffb2f658bf9","isrc":"ISRCB2400213","name":"Camisa 10 - Ao Vivo","registered_at":"2026-06-05T08:13:29Z","spotify_id":"1txWCev1pOANqNd6ktcaQe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28a8fd05b72ebdb2ef01587a3cba567ec940f5a06806f624dcf6ffb2f658bf9. 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/1txWCev1pOANqNd6ktcaQe.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/1txWCev1pOANqNd6ktcaQe.
{"copyright_id":"0x210a5e283ff1a5515a8cb7a2f38e2c32a4b431d4800cefd2d5128a6612d5dd2b","isrc":"ISRCB2400215","name":"Eternamente Feliz - Ao Vivo","registered_at":"2026-06-04T16:50:24Z","spotify_id":"7iDhsv7UajUwk43IRNIFl6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x210a5e283ff1a5515a8cb7a2f38e2c32a4b431d4800cefd2d5128a6612d5dd2b. 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/7iDhsv7UajUwk43IRNIFl6.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/7iDhsv7UajUwk43IRNIFl6.
{"copyright_id":"0x48d34b06000ba345006f0f9da06d31fa608bcbdeb019ac8dfddcf8fd16a3cf34","isrc":"ISRCB2400217","name":"Brilho de Cristal - Ao Vivo","registered_at":"2026-06-05T08:12:51Z","spotify_id":"1LoSJC567byd0RBSsQjJCk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d34b06000ba345006f0f9da06d31fa608bcbdeb019ac8dfddcf8fd16a3cf34. 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/1LoSJC567byd0RBSsQjJCk.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/1LoSJC567byd0RBSsQjJCk.
{"copyright_id":"0xca81bd4f6d2529fe62b0bcdc3b5e7c8f93beffbb8d5aaa1f0eaf1a3655ac8207","isrc":"ISRCB2400226","name":"Valeu pra Aprender - Ao Vivo","registered_at":"2026-06-05T05:47:06Z","spotify_id":"3LwLu1wKSIJv0ZaiyPWlRS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca81bd4f6d2529fe62b0bcdc3b5e7c8f93beffbb8d5aaa1f0eaf1a3655ac8207. 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/3LwLu1wKSIJv0ZaiyPWlRS.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/3LwLu1wKSIJv0ZaiyPWlRS.
Sorriso Eu Gosto No Pagode - Parte 1 (Ao Vivo)
{"copyright_id":"0x382d0bd1d909362829c3cf4058a90be0be6f828db9e30da0f896f4cd5bdf202d","isrc":"BXS8V2300015","name":"Ela - Ao Vivo","registered_at":"2026-06-01T05:37:07Z","spotify_id":"1kWcd9h9HoeXsKaDVhSOtj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382d0bd1d909362829c3cf4058a90be0be6f828db9e30da0f896f4cd5bdf202d. 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/1kWcd9h9HoeXsKaDVhSOtj.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/1kWcd9h9HoeXsKaDVhSOtj.
{"copyright_id":"0xc2d3559da97affb77f9586323d8b21b01e26a8d504c537e0bdd80492fc50757f","isrc":"BRWMB2300854","name":"Modo absurdo","registered_at":"2026-06-07T18:54:39Z","spotify_id":"0dvknlBuBSNNjaCojj5imV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d3559da97affb77f9586323d8b21b01e26a8d504c537e0bdd80492fc50757f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0dvknlBuBSNNjaCojj5imV.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/0dvknlBuBSNNjaCojj5imV.
{"copyright_id":"0x4b22009ae5a38ee284948263bcc90bd4b53f0f7722b51ab88b139e1db4662cea","isrc":"BRWMB2300848","name":"Todo amor do mundo","registered_at":"2026-06-07T18:53:37Z","spotify_id":"0JXwXMY39qfLIRQpwWnZUF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b22009ae5a38ee284948263bcc90bd4b53f0f7722b51ab88b139e1db4662cea. 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/0JXwXMY39qfLIRQpwWnZUF.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/0JXwXMY39qfLIRQpwWnZUF.
{"copyright_id":"0x6f845723a5803d5251d717b7192cd7471e73112f9715b07eacf1215a4cfacc91","isrc":"BRWMB1700772","name":"Pirata e tesouro - Ao vivo","registered_at":"2026-06-20T22:50:16Z","spotify_id":"49rIZCbz5QrTPCWuYbDUBl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f845723a5803d5251d717b7192cd7471e73112f9715b07eacf1215a4cfacc91. 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/49rIZCbz5QrTPCWuYbDUBl.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/49rIZCbz5QrTPCWuYbDUBl.