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 0xee1d58a991200f06bebee184b20f33ca53eebd26e7341dc64a1905b76c6a1413. 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/8fe91c50-8566-4519-90f4-11f147999673.json and https://artists.proofprofile.net/proofs/artist/8fe91c50-8566-4519-90f4-11f147999673.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xd5058ab4e0c66d5e0c7b8c7a78fc0531d84e09a065e6ed4f3d7c7420c1cc181e. 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/7JR3uyY7p25QrlHWCkkbCl.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/7JR3uyY7p25QrlHWCkkbCl.
{"copyright_id":"0x89843a002247a8d8b0c76a9abd761efe198dd862ed0632b2ac40d1b0f67285bf","isrc":"BC71O2500009","name":"Na Chapa Vai Te Botar","registered_at":"2026-06-25T21:37:35Z","spotify_id":"7i5swplLLF2d4sASSLIDoy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89843a002247a8d8b0c76a9abd761efe198dd862ed0632b2ac40d1b0f67285bf. 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/7i5swplLLF2d4sASSLIDoy.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/7i5swplLLF2d4sASSLIDoy.
{"copyright_id":"0xeb7e363fcadb25a68f0552be6ac31de2ad6caa3debdb8b5f119533cfde791071","isrc":"BC71O2400315","name":"Os Menor D","registered_at":"2026-06-21T03:03:06Z","spotify_id":"1rnXZGWEIoSiUg0KqYUhoF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb7e363fcadb25a68f0552be6ac31de2ad6caa3debdb8b5f119533cfde791071. 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/1rnXZGWEIoSiUg0KqYUhoF.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/1rnXZGWEIoSiUg0KqYUhoF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e9eb99d3e60b873eb8b7c76533f7c2b1459b07f94d59b8a3eac9546a795332. 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/4A4YyJ8VtUYf6l5N4tozpl.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/4A4YyJ8VtUYf6l5N4tozpl.
{"copyright_id":"0x171b1c4a58c844e4bae2746f36306abd40e92060bec0125b9ea9c14f3bc6c73a","isrc":"BC71O2400281","name":"Baile da Plataforma","registered_at":"2026-06-27T03:02:54Z","spotify_id":"7a9EXjzLVCbTPj8CPxfk4T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x171b1c4a58c844e4bae2746f36306abd40e92060bec0125b9ea9c14f3bc6c73a. 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/7a9EXjzLVCbTPj8CPxfk4T.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/7a9EXjzLVCbTPj8CPxfk4T.
{"copyright_id":"0xb3009964f6c48c8d8396fda1591e135c4c69666ce82844c8ae3d9d95dfb1ad8f","isrc":"BC71O2400314","name":"Automotivo Fica de Quatrão","registered_at":"2026-06-08T20:18:15Z","spotify_id":"535bQRO2SxNT4MbNKslrDe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3009964f6c48c8d8396fda1591e135c4c69666ce82844c8ae3d9d95dfb1ad8f. 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/535bQRO2SxNT4MbNKslrDe.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/535bQRO2SxNT4MbNKslrDe.
{"copyright_id":"0xe0515b1cde75ae38c3895fddfccdda846ee0e9ea61737d0792e786813833a3b7","isrc":"BC71O2400305","name":"Lei da Favela","registered_at":"2026-06-25T21:14:29Z","spotify_id":"2M0dGTVNFrpefVxd2gzG9H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0515b1cde75ae38c3895fddfccdda846ee0e9ea61737d0792e786813833a3b7. 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/2M0dGTVNFrpefVxd2gzG9H.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/2M0dGTVNFrpefVxd2gzG9H.
{"copyright_id":"0xd74c50ed36cf7525b7c4ce56cac6a7ad491fa0f597641175e1f438fc2a15e758","isrc":"BC71O2400259","name":"Procedimento do Natal","registered_at":"2026-06-22T20:04:06Z","spotify_id":"0C8HiGGfoG1tGrWBljPPzE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd74c50ed36cf7525b7c4ce56cac6a7ad491fa0f597641175e1f438fc2a15e758. 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/0C8HiGGfoG1tGrWBljPPzE.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/0C8HiGGfoG1tGrWBljPPzE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1308509e341591027cc7577062aa8c0536997e8acde18bb83b9c13583bb5418e. 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/2u9CmN2jFGRrxOCxAGWMF1.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/2u9CmN2jFGRrxOCxAGWMF1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13a50c66604455ba10c29ac8e20ce6965c39f4521e00e794f490a2f163f515e. 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/6fjTvo5qdFOn68TqWTn1WK.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/6fjTvo5qdFOn68TqWTn1WK.
{"copyright_id":"0xb5587a7051baf203a482a395a0d8b2ef5e84b957d9424fc5b3b0daaac5a5f0f9","isrc":"BC71O2400288","name":"Fode Com os Menor Bigode","registered_at":"2026-06-18T01:00:10Z","spotify_id":"7vSGvnvFGLq89v6NGGdrWZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5587a7051baf203a482a395a0d8b2ef5e84b957d9424fc5b3b0daaac5a5f0f9. 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/7vSGvnvFGLq89v6NGGdrWZ.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/7vSGvnvFGLq89v6NGGdrWZ.
{"copyright_id":"0xb03c159b275efd40d3583e02c4593e3ac4cdd01e5723f67d1dbfd96fdf2622eb","isrc":"BKSNK2400380","name":"Automotivo Achei Que Era Pagode","registered_at":"2026-06-18T01:09:39Z","spotify_id":"3Vh3nM3TaCOZ09LZizojRB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb03c159b275efd40d3583e02c4593e3ac4cdd01e5723f67d1dbfd96fdf2622eb. 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/3Vh3nM3TaCOZ09LZizojRB.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/3Vh3nM3TaCOZ09LZizojRB.
{"copyright_id":"0x34be356833f3f0f961fc400a219c5ba4b0dada4ad884c4fde96c24ea271a3eba","isrc":"BKSNK2400381","name":"Automotivo Vai Travando","registered_at":"2026-06-18T16:18:46Z","spotify_id":"3QxtIqgoNmJROuWiUI1CBA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34be356833f3f0f961fc400a219c5ba4b0dada4ad884c4fde96c24ea271a3eba. 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/3QxtIqgoNmJROuWiUI1CBA.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/3QxtIqgoNmJROuWiUI1CBA.
{"copyright_id":"0xf549e1ce1d0512aea6fcf0a4b6ff0a80905e327feb0033a9384b2c9e8715f246","isrc":"BC71O2400309","name":"Toma Chapada dos Drake","registered_at":"2026-06-05T12:42:05Z","spotify_id":"7wRlIbvLEqB9XkF49aK0gU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf549e1ce1d0512aea6fcf0a4b6ff0a80905e327feb0033a9384b2c9e8715f246. 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/7wRlIbvLEqB9XkF49aK0gU.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/7wRlIbvLEqB9XkF49aK0gU.
{"copyright_id":"0x5ba837e6718bc4baa2fd24fbffe2a4fc2df050fa57b5fc76e3e33eed6fd75850","isrc":"BC71O2400258","name":"Nos Toca os Motor Veloz","registered_at":"2026-06-18T01:26:19Z","spotify_id":"4PsNocjxMSm1xQSGcvKXKh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ba837e6718bc4baa2fd24fbffe2a4fc2df050fa57b5fc76e3e33eed6fd75850. 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/4PsNocjxMSm1xQSGcvKXKh.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/4PsNocjxMSm1xQSGcvKXKh.
{"copyright_id":"0x691da28e54ae94e2a16a1054b703fad3f7d20b162a67942d2959fa6bcdd8aa59","isrc":"BC71O2400304","name":"Hoje Vai Ter Quebra Quebra","registered_at":"2026-06-09T18:00:56Z","spotify_id":"4xBWkWRB2dEYFPuVrIHyEz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x691da28e54ae94e2a16a1054b703fad3f7d20b162a67942d2959fa6bcdd8aa59. 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/4xBWkWRB2dEYFPuVrIHyEz.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/4xBWkWRB2dEYFPuVrIHyEz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf27d4542c1432c21c779c103cc59d5d47ab0cc0d272be2881fb457772450542. 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/5rT5bbrG8kLHUen1HiwSzG.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/5rT5bbrG8kLHUen1HiwSzG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4431ec1f91306318b8382cd4b919748b5ac6441847f835e85d6c3befa9b2328c. 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/1a6aPl1DyHTN9VcResVx36.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/1a6aPl1DyHTN9VcResVx36.
{"copyright_id":"0xd18d3f5409d3859fabcb06357f1ddae2fb27403da7dc1e126812dbbecf114447","isrc":"BC71O2400243","name":"Automotivo To Penetrando","registered_at":"2026-06-23T05:10:15Z","spotify_id":"5M9eyYr3JGz68dJDQzBKY0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18d3f5409d3859fabcb06357f1ddae2fb27403da7dc1e126812dbbecf114447. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5M9eyYr3JGz68dJDQzBKY0.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/5M9eyYr3JGz68dJDQzBKY0.
Bruxaria Me Acordou da Melhor Forma 1.0 (Slowed)
{"copyright_id":"0x7744bc4bc03365f9794d01797b8e38e569586f8cd27ec22c29eb335dd14eeab2","isrc":"BC71O2400285","name":"Ser Solteiro É Bem Melhor","registered_at":"2026-06-04T14:16:26Z","spotify_id":"5NMohnuDZMb4eNUib2rDVn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7744bc4bc03365f9794d01797b8e38e569586f8cd27ec22c29eb335dd14eeab2. 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/5NMohnuDZMb4eNUib2rDVn.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/5NMohnuDZMb4eNUib2rDVn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f4b26ed63410c47876aa17935735e53359195cf09f61da9aa9709772862def. 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/3lH8mbKEzafs6HeOPTOccc.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/3lH8mbKEzafs6HeOPTOccc.
{"copyright_id":"0xb2d69c508c4e1ac2f767d4c20d10d37cca67b1e490a11a8fa1734ecf0da9cd34","isrc":"BC71O2400102","name":"Bonde dos Pimentas","registered_at":"2026-06-27T03:15:48Z","spotify_id":"2yPQ36Bq5nE95O2lHNFtlj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d69c508c4e1ac2f767d4c20d10d37cca67b1e490a11a8fa1734ecf0da9cd34. 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/2yPQ36Bq5nE95O2lHNFtlj.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/2yPQ36Bq5nE95O2lHNFtlj.