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 0xe3ae9949ed741489260f65dfda0a46e9034e66202051690f66a956f08e1a501d. 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/9c4be6fe-534c-4c35-8065-c3a6913f2e8c.json and https://artists.proofprofile.net/proofs/artist/9c4be6fe-534c-4c35-8065-c3a6913f2e8c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
TRENZINHO DOS TRAFICANTES VAI BOTA NA XOXOTA
MTG - ME DE MOTIVOS X EU ADORO QUANDO VOCE SENTA
MTG - FOI NA FESTA DA ESCOLA X TAMBOR XERECA
NÃO PERCEBI ME APAIXONEI TAMBORZADA 2022
5 MINUTINHOS DE TAMBOR RELIKIA DE VOLTA REDONDA PARTE 1 - Bonus Track Version
5 MINUTINHOS DE TAMBOR RELIKIA DE VOLTA REDONDA PARTE 2 - Bonus Track Version
10 MINUTINHOS DE TAMBORZINHO DE VOLTA REDONDA - Bonus Track Version
{"copyright_id":"0x830ae8b775a8645d65fd5d8944ee2fee0f3e1517f616ab31e62d30eaf64d6c66","isrc":"BKRQH2500002","name":"Psicólogo Da Trepação","registered_at":"2026-06-05T16:56:41Z","spotify_id":"4uKDkOsmxKWboRo5PLjWIc","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 0x830ae8b775a8645d65fd5d8944ee2fee0f3e1517f616ab31e62d30eaf64d6c66. 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/4uKDkOsmxKWboRo5PLjWIc.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/4uKDkOsmxKWboRo5PLjWIc.
{"copyright_id":"0xd2c0dd04f26546fc26f5da578a0da14707e616c30156437f91efb985bb3d5704","isrc":"BKRQH2500003","name":"Resistência Na Piroca","registered_at":"2026-06-06T10:42:11Z","spotify_id":"6gjdB7zlm5gFg8atCyUDgV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c0dd04f26546fc26f5da578a0da14707e616c30156437f91efb985bb3d5704. 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/6gjdB7zlm5gFg8atCyUDgV.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/6gjdB7zlm5gFg8atCyUDgV.
{"copyright_id":"0xe0c78696a1c04b377e7d96996b4e7b649c0ef519a6a58beb3bf5b037ec4135f1","isrc":"BKRQH2500004","name":"Volta Redonda","registered_at":"2026-06-07T00:39:33Z","spotify_id":"1W0JxiOw7W2hOsVayQzSqB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c78696a1c04b377e7d96996b4e7b649c0ef519a6a58beb3bf5b037ec4135f1. 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/1W0JxiOw7W2hOsVayQzSqB.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/1W0JxiOw7W2hOsVayQzSqB.
{"copyright_id":"0x15b3a50d3353138d8ca713a0366c40e7a50ebfa51fbebadeebc81b27610ba034","isrc":"BKRQH2500005","name":"MTG CEREBRO FUDIDO","registered_at":"2026-06-08T09:45:19Z","spotify_id":"5ZPIpJyWhGO0igfSg0T8AW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b3a50d3353138d8ca713a0366c40e7a50ebfa51fbebadeebc81b27610ba034. 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/5ZPIpJyWhGO0igfSg0T8AW.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/5ZPIpJyWhGO0igfSg0T8AW.
Calma Amiga - Ramemes & DJ Tonias Extended Mix
{"copyright_id":"0xf3f77b110ce9a324b8758da87cf78fca0e5e54dfd419181d567299ba1441da87","isrc":"BCM112300074","name":"Calma Amiga - Ramemes & DJ Tonias Extended Mix","registered_at":"2026-06-09T04:30:42Z","spotify_id":"6VCyceuJHMBFJLicxvk1qd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f77b110ce9a324b8758da87cf78fca0e5e54dfd419181d567299ba1441da87. 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/6VCyceuJHMBFJLicxvk1qd.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/6VCyceuJHMBFJLicxvk1qd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66e1578f80b3df59741cf4509384fde3a2836f4b41d76f0ed08b91de9727ca2. 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/19gdEpTn63k6v7VT04AqVj.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/19gdEpTn63k6v7VT04AqVj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c3e160b328b1d2590e5b030ee2518b7e0969d74c69a933a2d281a8a68f965c0. 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/2AYe4ZhztbM2Fj4Rn4SSq3.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/2AYe4ZhztbM2Fj4Rn4SSq3.
{"copyright_id":"0xb66e1578f80b3df59741cf4509384fde3a2836f4b41d76f0ed08b91de9727ca2","isrc":"BCM112300004","name":"Calma Amiga INTERLUDE","registered_at":"2026-06-18T00:39:02Z","spotify_id":"5GZKHPNbqJ0SwVRg0fUqRA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66e1578f80b3df59741cf4509384fde3a2836f4b41d76f0ed08b91de9727ca2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5GZKHPNbqJ0SwVRg0fUqRA.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/5GZKHPNbqJ0SwVRg0fUqRA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a2428c920d21d74b7418cb5d794dd7f1fd360730e3dedd9e74271e4d7af64d. 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/2TjsKecJqyOkNMXdQq7g8V.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/2TjsKecJqyOkNMXdQq7g8V.
Ladra - DJ RaMeMes (O DESTRUIDOR DO FUNK) RMX
{"copyright_id":"0x11d3e6bd73163ee1346775c5be8f40b455756ae72713849089ced58919de0da1","isrc":"BX0L22400004","name":"Ladra - DJ RaMeMes (O DESTRUIDOR DO FUNK) RMX","registered_at":"2026-06-17T23:42:50Z","spotify_id":"1U4L0wQEcfzO58RPyr5eqz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d3e6bd73163ee1346775c5be8f40b455756ae72713849089ced58919de0da1. 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/1U4L0wQEcfzO58RPyr5eqz.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/1U4L0wQEcfzO58RPyr5eqz.
{"copyright_id":"0xf1d3f4e7474eb408fbb9f9c6faddd3ae043f2d146ac961248adcf3480e6cc820","isrc":"BKLZF2400028","name":"ESCORREGOU E FOI NO CU","registered_at":"2026-06-08T20:20:51Z","spotify_id":"5l7FoHlhYRzVZNG65M3mQX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d3f4e7474eb408fbb9f9c6faddd3ae043f2d146ac961248adcf3480e6cc820. 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/5l7FoHlhYRzVZNG65M3mQX.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/5l7FoHlhYRzVZNG65M3mQX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a380aafc40bebabf1dfa818824e83bbcce1039e906c82f8a3fc5cbaee4ec71e. 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/5WsrFraYz5idei9cRqoJ5p.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/5WsrFraYz5idei9cRqoJ5p.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4221968c26f647cda9ed52faac61982188750940460930d28ee547a6114890f5. 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/44fpfZq4MaFP7OM8dMFdTi.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/44fpfZq4MaFP7OM8dMFdTi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2365711a0973034a304a0f7bc844d7244e4b4e57a426de96116ea2783aac3737. 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/5MJDJN2rJ0X3I5Nc8VOoah.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/5MJDJN2rJ0X3I5Nc8VOoah.
{"copyright_id":"0x46daacd3c967394501e67dd9a306f2e6e1ad63a3bf9572d54dce289dcbe21e59","isrc":"BCFCV2300117","name":"Tropa da Loló","registered_at":"2026-06-09T08:38:18Z","spotify_id":"0AiPgLAsYoo3Qf0gSsdOR3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46daacd3c967394501e67dd9a306f2e6e1ad63a3bf9572d54dce289dcbe21e59. 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/0AiPgLAsYoo3Qf0gSsdOR3.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/0AiPgLAsYoo3Qf0gSsdOR3.
{"copyright_id":"0x2970227943638c1c22d47eec29efdff363371a54aa69a90e3aacbb5c3dfaea88","isrc":"BXXZH2400001","name":"FUDER CHAPADA RMX","registered_at":"2026-06-04T11:03:04Z","spotify_id":"6b8nOd3CgrC4OvgeXeRlpC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2970227943638c1c22d47eec29efdff363371a54aa69a90e3aacbb5c3dfaea88. 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/6b8nOd3CgrC4OvgeXeRlpC.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/6b8nOd3CgrC4OvgeXeRlpC.
{"copyright_id":"0x2970227943638c1c22d47eec29efdff363371a54aa69a90e3aacbb5c3dfaea88","isrc":"BXXZH2400001","name":"FUDER CHAPADA RMX","registered_at":"2026-06-04T11:03:04Z","spotify_id":"1dd5D9BYGZK9dcyIkNneAH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2970227943638c1c22d47eec29efdff363371a54aa69a90e3aacbb5c3dfaea88. 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/1dd5D9BYGZK9dcyIkNneAH.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/1dd5D9BYGZK9dcyIkNneAH.
Botano (Útero Baixo) - Botada no Afrolatão - Remix
{"copyright_id":"0x08c60d9c5bfe6f242159a1b642a97223dc8c7c4df0915dc4afc6f285b781f2ad","isrc":"BKQCN2500008","name":"Botano (Útero Baixo) - Botada no Afrolatão - Remix","registered_at":"2026-06-07T06:32:26Z","spotify_id":"7xyaGxIWodEkOMr0kI7wjc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c60d9c5bfe6f242159a1b642a97223dc8c7c4df0915dc4afc6f285b781f2ad. 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/7xyaGxIWodEkOMr0kI7wjc.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/7xyaGxIWodEkOMr0kI7wjc.