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 0x7b49d08445060cda49d67ce740925e9e742e71897587606948e14e075d775bad. 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/2a8938b3-fd5c-4bd4-ba1d-d74b5985a04f.json and https://artists.proofprofile.net/proofs/artist/2a8938b3-fd5c-4bd4-ba1d-d74b5985a04f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
CLÁSSICOS POPULARES - Homenagem a Florianópolis
Wolfgang Amadeus Mozart: Rondo da Serenata No.7 em D Maior, K 250 "Haffner"
Johan Sebastian Bach: Aria da Suite Orquestral No.3, BWV. 1068
Antonio Vivaldi: Primavera de "As Quatro Estações" Op. 8 No.4 (Allegro)
Antonio Vivaldi: Inverno de "As Quatro Estações" Op. 8 No.4, Allegro
Antonio Vivaldi: Concerto Alla Rustica em Sol Maior Rv 151 - Presto, Adagio, Allegro
Wolfgang Amadeus Mozart: Eine Kleine Nachtmusic, K 525 (Allegro)
Dazaranha 25 Anos (Ao Vivo) [feat. Camerata Florianópolis]
{"copyright_id":"0x8203a2ac523f3b59dcc24207f46ae0e1743e3fc7841494d23eda189984d07eef","isrc":"BR2FZ1800002","name":"Salão de Festa a Vapor (Ao Vivo)","registered_at":"2026-06-05T23:17:14Z","spotify_id":"720qvuB3deSiwNl6YLj1py","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 0x8203a2ac523f3b59dcc24207f46ae0e1743e3fc7841494d23eda189984d07eef. 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/720qvuB3deSiwNl6YLj1py.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/720qvuB3deSiwNl6YLj1py.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21882650ac4a666a4f23af1781ed0eb2548ae2b723d1dc785a92f032d2702b91. 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/3ynbsS49ALwzxdScOqczoI.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/3ynbsS49ALwzxdScOqczoI.
{"copyright_id":"0x4d96c286bf83386c46f270d04be36aac339f3800fb61af29c12585d1a8bbc4f4","isrc":"BR2FZ1800004","name":"Afinar as Rezas (Ao Vivo)","registered_at":"2026-06-06T19:02:58Z","spotify_id":"53yGRrjLojVC4h6tCowiR8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d96c286bf83386c46f270d04be36aac339f3800fb61af29c12585d1a8bbc4f4. 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/53yGRrjLojVC4h6tCowiR8.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/53yGRrjLojVC4h6tCowiR8.
{"copyright_id":"0x847bb8a5ecb5b0822fc1b26662040db8894aab72589aa3b6041e26b1c317fb42","isrc":"BR2FZ1800005","name":"Chega Mais Cedo (Ao Vivo)","registered_at":"2026-06-06T12:47:40Z","spotify_id":"6r9wawWMR9CjGFZKCuwxNU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847bb8a5ecb5b0822fc1b26662040db8894aab72589aa3b6041e26b1c317fb42. 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/6r9wawWMR9CjGFZKCuwxNU.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/6r9wawWMR9CjGFZKCuwxNU.
{"copyright_id":"0x6a75d779d74c116f3eaf36e1a4f4e7a606809a00442e5212c6bb7a9c6b53aae6","isrc":"BR2FZ1800006","name":"Cama Brasileira (Ao Vivo)","registered_at":"2026-06-06T06:08:17Z","spotify_id":"48QvBMpF8I8tneJuy7FAVC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a75d779d74c116f3eaf36e1a4f4e7a606809a00442e5212c6bb7a9c6b53aae6. 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/48QvBMpF8I8tneJuy7FAVC.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/48QvBMpF8I8tneJuy7FAVC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17d52c1281b45f4475941440e54b1f50506e81df53637c23b88ff4c4a0e29786. 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/5WSdzj0bj3n3wXz1Nmao40.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/5WSdzj0bj3n3wXz1Nmao40.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ac13d720f7fa231ce055bdf8763eec6e8d1386e9591e360f4f4579a33be6ce. 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/35vWIDpIl2iZax5FcZ0tiH.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/35vWIDpIl2iZax5FcZ0tiH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c28e9ed512091109ae6d909e7abb268ba91f4957a851b7c2a8e9107eb22a979. 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/6ztcWhBLXRsVcc3kzTpc7K.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/6ztcWhBLXRsVcc3kzTpc7K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x525f0274f6d226ad5733c90b534cc7f54482232259086a315966f7a2b78a3db5. 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/5rBAxFPGV81qsEwM9nkG7r.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/5rBAxFPGV81qsEwM9nkG7r.
{"copyright_id":"0xea45f335bb736f2cd932fdf06f5a6f15d9fd1fb1f59f18cd83a9230add642419","isrc":"BR2FZ1800011","name":"Nossa Barulheira (Ao Vivo)","registered_at":"2026-06-07T21:59:43Z","spotify_id":"2O0oXL16J4AgpqtAX8FSox","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea45f335bb736f2cd932fdf06f5a6f15d9fd1fb1f59f18cd83a9230add642419. 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/2O0oXL16J4AgpqtAX8FSox.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/2O0oXL16J4AgpqtAX8FSox.
{"copyright_id":"0x1e0e177a1c0b4a7db7738d39574cdabd7e6af7d58842a93c3bcd6b19bde5c90b","isrc":"BR2FZ1800012","name":"Tribuzana (Ao Vivo)","registered_at":"2026-06-07T22:00:50Z","spotify_id":"0amukEFRGueqeSbxDlW6Uy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0e177a1c0b4a7db7738d39574cdabd7e6af7d58842a93c3bcd6b19bde5c90b. 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/0amukEFRGueqeSbxDlW6Uy.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/0amukEFRGueqeSbxDlW6Uy.
{"copyright_id":"0x5af7efec87d4dda2eacc170e1abb1516d95754ac492a723752bd4ed322e19a2b","isrc":"BR2FZ1800013","name":"Mais de Calma (Ao Vivo)","registered_at":"2026-06-07T21:59:37Z","spotify_id":"5uvBcqULn6tRhYl54fQduM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af7efec87d4dda2eacc170e1abb1516d95754ac492a723752bd4ed322e19a2b. 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/5uvBcqULn6tRhYl54fQduM.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/5uvBcqULn6tRhYl54fQduM.
{"copyright_id":"0xb501b0dac3e78bb0d4dfbff8d7a93be299ed0fe81d4b95d1a961682fc89fb595","isrc":"BR2FZ1800014","name":"Espero (Ao Vivo)","registered_at":"2026-06-08T01:19:12Z","spotify_id":"4LR3uPD67ku2k2LiptHUCj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb501b0dac3e78bb0d4dfbff8d7a93be299ed0fe81d4b95d1a961682fc89fb595. 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/4LR3uPD67ku2k2LiptHUCj.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/4LR3uPD67ku2k2LiptHUCj.
{"copyright_id":"0x5e8f1999264c53624fe2998b3706c45288fa7b7c79f4440d5fb3b46e5a02a5af","isrc":"BR2FZ1800015","name":"Não Vou Vender Minha Cabeça (Ao Vivo)","registered_at":"2026-06-08T05:34:16Z","spotify_id":"61qlLT2vNJBdiG3EhHM5Xy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e8f1999264c53624fe2998b3706c45288fa7b7c79f4440d5fb3b46e5a02a5af. 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/61qlLT2vNJBdiG3EhHM5Xy.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/61qlLT2vNJBdiG3EhHM5Xy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9136b43df651798da87d311bf1017704c6530ebf5a08d05c53a895c2eda951ac. 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/218x41fsdYbn9UHHx9Dn2a.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/218x41fsdYbn9UHHx9Dn2a.
{"copyright_id":"0x209f1bfd79e79e7fc918b292e1b4ebb6dd33c35eece9cedc3f4fc12fada94a03","isrc":"BR2FZ1800017","name":"O Mané (Ao Vivo)","registered_at":"2026-06-07T21:56:35Z","spotify_id":"1Kns77MJljbKmPAW4HWL1y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x209f1bfd79e79e7fc918b292e1b4ebb6dd33c35eece9cedc3f4fc12fada94a03. 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/1Kns77MJljbKmPAW4HWL1y.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/1Kns77MJljbKmPAW4HWL1y.
{"copyright_id":"0xec7e3eba9de7ba49f1889a87cf5a93008aebd969ea70373c14f6e9ef2da41d11","isrc":"BR2FZ1800018","name":"Tribo da Lua (Ao Vivo)","registered_at":"2026-06-07T03:23:15Z","spotify_id":"0MygUPBEUoX6uWhIKtFO8n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec7e3eba9de7ba49f1889a87cf5a93008aebd969ea70373c14f6e9ef2da41d11. 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/0MygUPBEUoX6uWhIKtFO8n.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/0MygUPBEUoX6uWhIKtFO8n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb59f26c2a75d6af42e1d33aa11201cb5ba8845ab1dbf3eb1f5e2b17563bd722. 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/5vvHD782b8qsg43x83n27c.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/5vvHD782b8qsg43x83n27c.
{"copyright_id":"0x0b6ac9151b3e7856f79927d45caaaa45d840ef4efd32a57ce497a2e2eb1ad360","isrc":"BR2FZ1800020","name":"Com ou Sem (Ao Vivo)","registered_at":"2026-06-07T21:55:33Z","spotify_id":"7sdNkprnexMQcFUO0zpsfy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b6ac9151b3e7856f79927d45caaaa45d840ef4efd32a57ce497a2e2eb1ad360. 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/7sdNkprnexMQcFUO0zpsfy.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/7sdNkprnexMQcFUO0zpsfy.
{"copyright_id":"0xb09c2c107fcf43e234d1c4d81750f0b037eabd44225ab50c4ccf1c2de055e132","isrc":"BR2FZ1800021","name":"Vagabundo Confesso (Ao Vivo)","registered_at":"2026-06-06T15:33:27Z","spotify_id":"16DVYhjoLV4Or60jcR2rHI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb09c2c107fcf43e234d1c4d81750f0b037eabd44225ab50c4ccf1c2de055e132. 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/16DVYhjoLV4Or60jcR2rHI.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/16DVYhjoLV4Or60jcR2rHI.