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 0x0f653626381ab62c03f33dc3a87c2076ad8c49ecc954151e4a15b6ed70d3dd6c. 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/91a071e5-bd53-4bfe-b96f-8973ccdf3328.json and https://artists.proofprofile.net/proofs/artist/91a071e5-bd53-4bfe-b96f-8973ccdf3328.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x0f634843d05513fe0f53c98fe7a6dfb6da6bf2481c6780f13a72d9fea21ab6f7","isrc":"BRUM72400451","name":"GLOCKADA DO CHEFE","registered_at":"2026-06-10T17:30:36Z","spotify_id":"0kjfEx5ej6f9EKdpoVeMGR","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 0x0f634843d05513fe0f53c98fe7a6dfb6da6bf2481c6780f13a72d9fea21ab6f7. 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/0kjfEx5ej6f9EKdpoVeMGR.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/0kjfEx5ej6f9EKdpoVeMGR.
{"copyright_id":"0xeb22e75354ba8415d02640156dac2e81cc71988cb21204f98b3502d2f952ba4e","isrc":"BXKG22400736","name":"Ritmista do Mandela","registered_at":"2026-06-22T01:02:51Z","spotify_id":"57fetZQQObR7NNzOCdJFBq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb22e75354ba8415d02640156dac2e81cc71988cb21204f98b3502d2f952ba4e. 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/57fetZQQObR7NNzOCdJFBq.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/57fetZQQObR7NNzOCdJFBq.
Tropa do Bruxo [Modo Hard] (feat. SMU, Mc Menor Thalis & R10)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2317c4694437f06f7822831a14c83d05de02f31d0675fac095e39c1de0bfa1f0. 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/7uj8pKa1poUJC0tznDvinY.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/7uj8pKa1poUJC0tznDvinY.
{"copyright_id":"0xe7ed192cb180919af0cfbc686c2a2501c78c593a95cb59cd94a0cc29198c03f2","isrc":"BRTV51900001","name":"Pra Berlin","registered_at":"2026-06-27T08:58:41Z","spotify_id":"4jbIQ9HHiKUyZNKFdTVXbC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ed192cb180919af0cfbc686c2a2501c78c593a95cb59cd94a0cc29198c03f2. 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/4jbIQ9HHiKUyZNKFdTVXbC.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/4jbIQ9HHiKUyZNKFdTVXbC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2785b3127419738c7cf1f5f837ac07b673fa70fb88723a4dfdc8062e1b375edb. 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/69y8BvjzWcnjB2NN380Ugp.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/69y8BvjzWcnjB2NN380Ugp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa84d978f397a776917515d26c077deebae280142a59d375e14c66b98c1b09c3. 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/1uLoL5Vj4S2aUrVdNtBEdL.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/1uLoL5Vj4S2aUrVdNtBEdL.
Raia 4 (Trilha Sonora Original do Filme)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74f854ddac2e1675d379edaeb648866115cf1eded22607d57430a09dbfb5f8e9. 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/61kGte9MlZyKw84rUCmmue.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/61kGte9MlZyKw84rUCmmue.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4154339b58f4c47b98223c2da4be9eb7673a9c0027ee87e49a5c83a32793fcf. 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/0nUxTwBMDfFCmgi252fkfD.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/0nUxTwBMDfFCmgi252fkfD.
{"copyright_id":"0x2ea3bfe1cdce1028ccb92a929c9a0d63054b2ad5f7672f48793ef0d1c1157a16","isrc":"BXKG22401256","name":"Putaria no Anonimato","registered_at":"2026-06-07T13:34:52Z","spotify_id":"4gLWxKormwSIoNtfbU9Fe7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ea3bfe1cdce1028ccb92a929c9a0d63054b2ad5f7672f48793ef0d1c1157a16. 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/4gLWxKormwSIoNtfbU9Fe7.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/4gLWxKormwSIoNtfbU9Fe7.
{"copyright_id":"0xaaf401bca4393deaad360e7458ec220b4e1fb3a8ed7f8d46bcccb53aad44de04","isrc":"QZTV32490366","name":"Se Quiser me Encontrar","registered_at":"2026-06-23T06:44:38Z","spotify_id":"7jIRL0G7ATl3ZAjcI58xTq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaf401bca4393deaad360e7458ec220b4e1fb3a8ed7f8d46bcccb53aad44de04. 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/7jIRL0G7ATl3ZAjcI58xTq.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/7jIRL0G7ATl3ZAjcI58xTq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d59b715eb9a634405f15c706792566fe3e9a91cff8e57608d9e896a355e522. 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/6X4ntr6n9t16zy47pZRe03.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/6X4ntr6n9t16zy47pZRe03.
{"copyright_id":"0x1c93bb12979c3d225812f0b0e22b1ffadcef38b111043bc913de0c6b731434b3","isrc":"BKA822300275","name":"Tropa do Bruxo - Remix","registered_at":"2026-06-10T03:59:39Z","spotify_id":"1gn2h7CX4ATMElQinuzHhz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c93bb12979c3d225812f0b0e22b1ffadcef38b111043bc913de0c6b731434b3. 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/1gn2h7CX4ATMElQinuzHhz.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/1gn2h7CX4ATMElQinuzHhz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d93de764059122da42327a3d148a8a2d1895fb600fa87ab6e47bf425349750. 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/0wbAtcC5wMXkEuRoBvwJ1I.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/0wbAtcC5wMXkEuRoBvwJ1I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x673645a37852dd76ff3fecfb6a151331a339b7148ee30741eef9a2c4110209b4. 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/3j3NtH13zEVdV38IvzauE9.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/3j3NtH13zEVdV38IvzauE9.
Modo Hard X Tipo Hollywood X Vou Foder Teu Batalhão
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709d08a0a528e71105a0639b4bf49882f040f1e4b708e1452017a117608fc29b. 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/60edtPeXrHT50F0cwlcAwy.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/60edtPeXrHT50F0cwlcAwy.
{"copyright_id":"0xad7626edee15250ffb5e13adeec55c23a4dfa095e66db7c6aa671ce4896b4de2","isrc":"BKA822300117","name":"Lá na Quebrada","registered_at":"2026-06-09T08:32:05Z","spotify_id":"30rKkDORVEkgrUTPKMoqfK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7626edee15250ffb5e13adeec55c23a4dfa095e66db7c6aa671ce4896b4de2. 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/30rKkDORVEkgrUTPKMoqfK.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/30rKkDORVEkgrUTPKMoqfK.
Tropa do Bruxo Vs Remix Tropa do Catatau
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2442e95d7d4172e605226d229ac778647a3748c5030ca2a2f382f36b8c28568f. 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/2mxRRv19stAPY5Abi9JRHs.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/2mxRRv19stAPY5Abi9JRHs.
{"copyright_id":"0x87c18421921f42394a166f86a4fa7f332d29ba725b3a8b23f735f94df8bcd702","isrc":"BKA822300116","name":"Tropa dos Menino Afoito","registered_at":"2026-06-06T10:42:05Z","spotify_id":"7zecqOuwOJ9ZofI1oPEmgl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87c18421921f42394a166f86a4fa7f332d29ba725b3a8b23f735f94df8bcd702. 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/7zecqOuwOJ9ZofI1oPEmgl.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/7zecqOuwOJ9ZofI1oPEmgl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d54f2820587df5bc85381ae2024f61129e7341f86871902ab956ee1a837f2e3. 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/53UUDOwExED6MkPkMHVbIr.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/53UUDOwExED6MkPkMHVbIr.
{"copyright_id":"0x1a270636a343b8cd44e6977ccfc71f082c39fca6f10092c23549c897cb939a75","isrc":"BC3PG2307029","name":"Tropa do Bruxo - Piranha de Qualidade","registered_at":"2026-06-27T02:22:12Z","spotify_id":"4z6hWkD1PhRqUHfFNnmhyX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a270636a343b8cd44e6977ccfc71f082c39fca6f10092c23549c897cb939a75. 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/4z6hWkD1PhRqUHfFNnmhyX.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/4z6hWkD1PhRqUHfFNnmhyX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ac6588bdfd53cd7c95125561601d30b2fef7d902f3a3aa7a18422805c53f79. 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/00ZKeP47bZtswtANkvxz2j.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/00ZKeP47bZtswtANkvxz2j.
{"copyright_id":"0xf37fabe3956139ea45a4fa1167cf550f92984dbe2560ac1801c046c18a583d45","isrc":"BKCMX2400025","name":"Ele Me Implora","registered_at":"2026-06-18T13:22:15Z","spotify_id":"1qJOlOF2vYhdiwmDpnafOo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf37fabe3956139ea45a4fa1167cf550f92984dbe2560ac1801c046c18a583d45. 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/1qJOlOF2vYhdiwmDpnafOo.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/1qJOlOF2vYhdiwmDpnafOo.