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 0xf19a3aabedfc5169ab7665d7cf19fb3af6a5949521568e84e52ba24cc25368b7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3add4731-feeb-4ad1-a2ba-ce793b6492ec.json and https://artists.proofprofile.net/proofs/artist/3add4731-feeb-4ad1-a2ba-ce793b6492ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x1983b73cd483bfe8794d1309a1b64c5a2af36b07762cff5fecd56b7a4501500a","isrc":"BXBIW1700001","name":"Santo Espírito","registered_at":"2026-06-01T18:55:34Z","spotify_id":"6GL7BYWdhMgce6fDWX8qVn","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 0x1983b73cd483bfe8794d1309a1b64c5a2af36b07762cff5fecd56b7a4501500a. 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/6GL7BYWdhMgce6fDWX8qVn.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/6GL7BYWdhMgce6fDWX8qVn.
{"copyright_id":"0xfdc2d3b10eff55e62aecd9086f6a32e2961f94bd3f8746d07c78dcf83b653a36","isrc":"BXBIW1700002","name":"Amor Que Enche","registered_at":"2026-06-04T08:35:31Z","spotify_id":"3nHObbDhfcuq8e2Xc4YhHe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc2d3b10eff55e62aecd9086f6a32e2961f94bd3f8746d07c78dcf83b653a36. 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/3nHObbDhfcuq8e2Xc4YhHe.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/3nHObbDhfcuq8e2Xc4YhHe.
{"copyright_id":"0x41cfbd8c8299ec03b59b819ab8aa1774fa940088cc2a8b8701bcfa0f04a8cec9","isrc":"BXBIW1700003","name":"Em Teus Braços","registered_at":"2026-06-01T17:32:55Z","spotify_id":"0kH6BPFcm3yNBVry3SpwMQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cfbd8c8299ec03b59b819ab8aa1774fa940088cc2a8b8701bcfa0f04a8cec9. 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/0kH6BPFcm3yNBVry3SpwMQ.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/0kH6BPFcm3yNBVry3SpwMQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5647e0d578053d4fa8aac61d4b0f2614c1998ab3b26ef3af997de805724e6a3f. 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/729qr2IukfwDTx5Og1QE48.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/729qr2IukfwDTx5Og1QE48.
{"copyright_id":"0x9d43322abdc67c4f06966d2e33fa8a238fbfd456d9767e62da01a033de04ba31","isrc":"BXBIW1700005","name":"Dono do Meu Ser","registered_at":"2026-06-04T10:31:44Z","spotify_id":"3ubKc6USGm4jchsrJW5fNh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d43322abdc67c4f06966d2e33fa8a238fbfd456d9767e62da01a033de04ba31. 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/3ubKc6USGm4jchsrJW5fNh.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/3ubKc6USGm4jchsrJW5fNh.
{"copyright_id":"0x497e85d04c4feca1ac6cb16369ea307b3a27ef0831f0b816a2c00451d855d8fd","isrc":"BXBIW1700006","name":"Veio o Teu Amor","registered_at":"2026-06-04T15:12:51Z","spotify_id":"4wdyn9l2qjuIMN3pyVsbZ1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x497e85d04c4feca1ac6cb16369ea307b3a27ef0831f0b816a2c00451d855d8fd. 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/4wdyn9l2qjuIMN3pyVsbZ1.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/4wdyn9l2qjuIMN3pyVsbZ1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75099bc610d931357d10c93d2261e15f65f8a01f60161bda53cffd52f9a1c1a4. 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/7CSaaEp7sKRC58NANXR2Eg.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/7CSaaEp7sKRC58NANXR2Eg.
{"copyright_id":"0xba95c39486bff72c71dc1dcde992758f08b744d05733297e62b4b3da2cf00a3a","isrc":"BXBIW1700008","name":"Tudo É Pra Tua Glória","registered_at":"2026-06-04T13:42:53Z","spotify_id":"1eqKaPHojRuaKvwkg8HNnv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba95c39486bff72c71dc1dcde992758f08b744d05733297e62b4b3da2cf00a3a. 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/1eqKaPHojRuaKvwkg8HNnv.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/1eqKaPHojRuaKvwkg8HNnv.
Voltemos ao Início + O Bálsamo de Gileade
{"copyright_id":"0x9f22c287e206d12a42b35ab6dd61d9b52564ea6ee7313daa4c88184738ffe9e1","isrc":"QZR8E2400115","name":"Eres Hermoso - Live","registered_at":"2026-06-05T08:06:48Z","spotify_id":"1BMkurQozHjdS39qHMWAyF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f22c287e206d12a42b35ab6dd61d9b52564ea6ee7313daa4c88184738ffe9e1. 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/1BMkurQozHjdS39qHMWAyF.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/1BMkurQozHjdS39qHMWAyF.
{"copyright_id":"0x2e4487db6784f81471e09a784ff5f8dfc9b3df7f6d0f8b9250f2026aabdaf33e","isrc":"QZR8E2400118","name":"Hermoso (Espontáneo) - Live","registered_at":"2026-06-06T16:24:46Z","spotify_id":"1UNvhLB8OOaO0Bc3MgP6Bk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e4487db6784f81471e09a784ff5f8dfc9b3df7f6d0f8b9250f2026aabdaf33e. 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/1UNvhLB8OOaO0Bc3MgP6Bk.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/1UNvhLB8OOaO0Bc3MgP6Bk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ba2352ed744f55c3c9a4781ca542b5cd0f0030b069292e5a1234daf552e9805. 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/0uByGXbM6zLJopECfmhcz6.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/0uByGXbM6zLJopECfmhcz6.
mistério (feat. Laura Souguellis) - Ao Vivo
{"copyright_id":"0x29124ed5856930df6c5a7764e210dcee4593ac1a52336432d9ada43b9121c005","isrc":"BRSME1904906","name":"mistério (feat. Laura Souguellis) - Ao Vivo","registered_at":"2026-06-11T05:07:11Z","spotify_id":"3K1eU1tIoVJrM8U4yIpMAo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29124ed5856930df6c5a7764e210dcee4593ac1a52336432d9ada43b9121c005. 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/3K1eU1tIoVJrM8U4yIpMAo.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/3K1eU1tIoVJrM8U4yIpMAo.
{"copyright_id":"0x3c167f1fb556d03f92298e2a23519813c4cba72f9880db991293dcc706d690e2","isrc":"BRSME1800975","name":"mistério (feat. Laura Souguellis)","registered_at":"2026-06-05T11:52:29Z","spotify_id":"1xA3izyIzjUzqss0KgLcp8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c167f1fb556d03f92298e2a23519813c4cba72f9880db991293dcc706d690e2. 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/1xA3izyIzjUzqss0KgLcp8.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/1xA3izyIzjUzqss0KgLcp8.
{"copyright_id":"0x41cfbd8c8299ec03b59b819ab8aa1774fa940088cc2a8b8701bcfa0f04a8cec9","isrc":"BXBIW1700003","name":"Em Teus Braços","registered_at":"2026-06-01T17:32:55Z","spotify_id":"1QqJP5a9inLttmMLX5NGct","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cfbd8c8299ec03b59b819ab8aa1774fa940088cc2a8b8701bcfa0f04a8cec9. 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/1QqJP5a9inLttmMLX5NGct.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/1QqJP5a9inLttmMLX5NGct.
{"copyright_id":"0x1983b73cd483bfe8794d1309a1b64c5a2af36b07762cff5fecd56b7a4501500a","isrc":"BXBIW1700001","name":"Santo Espírito","registered_at":"2026-06-01T18:55:33Z","spotify_id":"6IPLMxWOxKMhhTrcoMpvsC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1983b73cd483bfe8794d1309a1b64c5a2af36b07762cff5fecd56b7a4501500a. 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/6IPLMxWOxKMhhTrcoMpvsC.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/6IPLMxWOxKMhhTrcoMpvsC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41cfbd8c8299ec03b59b819ab8aa1774fa940088cc2a8b8701bcfa0f04a8cec9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6fX1320JVaqD664U5aCBW9.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/6fX1320JVaqD664U5aCBW9.
{"copyright_id":"0x1983b73cd483bfe8794d1309a1b64c5a2af36b07762cff5fecd56b7a4501500a","isrc":"BXBIW1700001","name":"Santo Espírito","registered_at":"2026-06-01T18:55:34Z","spotify_id":"1IfWg8AKd7gBv2XOu8BjUI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1983b73cd483bfe8794d1309a1b64c5a2af36b07762cff5fecd56b7a4501500a. 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/1IfWg8AKd7gBv2XOu8BjUI.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/1IfWg8AKd7gBv2XOu8BjUI.
{"copyright_id":"0x9f22c287e206d12a42b35ab6dd61d9b52564ea6ee7313daa4c88184738ffe9e1","isrc":"QZR8E2400115","name":"Eres Hermoso - Live","registered_at":"2026-06-05T08:06:48Z","spotify_id":"2FVwIfo5CUvbRoQMsiWaCy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f22c287e206d12a42b35ab6dd61d9b52564ea6ee7313daa4c88184738ffe9e1. 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/2FVwIfo5CUvbRoQMsiWaCy.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/2FVwIfo5CUvbRoQMsiWaCy.
{"copyright_id":"0x599b5710bd8ebe0845a6c746adb4cf37431e58f8f096df4604598f2f0e993c24","isrc":"BXBIW2000002","name":"Seja Exaltado - Ao Vivo","registered_at":"2026-06-06T09:18:27Z","spotify_id":"0uc389UBJQTfPnUozACAm2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x599b5710bd8ebe0845a6c746adb4cf37431e58f8f096df4604598f2f0e993c24. 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/0uc389UBJQTfPnUozACAm2.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/0uc389UBJQTfPnUozACAm2.
Piano e Voz, Amigos e Pertences 2 (Ao Vivo)
{"copyright_id":"0x5261adafdcf52074777363c961622a7293e17b3ca9a23a8ae6079e9dec5b739d","isrc":"BRAPD1700045","name":"Não Tenhas Sobre Ti - Ao Vivo","registered_at":"2026-06-04T09:16:00Z","spotify_id":"4WfRMXiRtlWz9ejap6ojmy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5261adafdcf52074777363c961622a7293e17b3ca9a23a8ae6079e9dec5b739d. 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/4WfRMXiRtlWz9ejap6ojmy.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/4WfRMXiRtlWz9ejap6ojmy.