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 0x97633a13d9269cc9847b64b3e467e369bb316654cd72c15a08c4e65bbe31720a. 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/0fa9ca9a-3d9c-4026-a696-ada40b4132e0.json and https://artists.proofprofile.net/proofs/artist/0fa9ca9a-3d9c-4026-a696-ada40b4132e0.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 0x12eee085f47633f8751587288e032ae750e143dd12fad5ae40f52c9d338030c4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Bc41HscrzP30bOaZRrImm.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/6Bc41HscrzP30bOaZRrImm.
Biquini De Bolinha Amarelinha Tão Pequenininho / Preta Pretinha (Teenie Weenie Yellow Polkadot Bikini)
Biquini De Bolinha Amarelinha Tão Pequenininho
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a75a093989518ed93880af0ae2b5b3f38149d61ac2640189bc3b83116a996d. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IJpYAVlQeO6ipRvL9Qtvu.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/7IJpYAVlQeO6ipRvL9Qtvu.
{"copyright_id":"0x84ac512827042f018cba94cd4f37a43ea87e4ea480110dbd3592f7475bd1bb43","isrc":"BREMI8300008","name":"A Dois Passos Do Paraíso","registered_at":"2026-06-20T04:16:15Z","spotify_id":"7fROuDpDWnvsq4fma1iN1Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ac512827042f018cba94cd4f37a43ea87e4ea480110dbd3592f7475bd1bb43. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fROuDpDWnvsq4fma1iN1Z.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/7fROuDpDWnvsq4fma1iN1Z.
{"copyright_id":"0xfc0a8f726bc76e174e6c16ccb9161a4b6d67c6b666b737743d940423ac706bd5","isrc":"BREMI8200022","name":"Mais Uma De Amor (Geme Geme)","registered_at":"2026-06-29T15:31:17Z","spotify_id":"5KYbxMKDLBMi4kaDjU7alR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0a8f726bc76e174e6c16ccb9161a4b6d67c6b666b737743d940423ac706bd5. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KYbxMKDLBMi4kaDjU7alR.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/5KYbxMKDLBMi4kaDjU7alR.
{"copyright_id":"0x84ac512827042f018cba94cd4f37a43ea87e4ea480110dbd3592f7475bd1bb43","isrc":"BREMI8300008","name":"A Dois Passos Do Paraíso","registered_at":"2026-06-20T04:16:15Z","spotify_id":"5z42ksFbd299jmBOJEOgmS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ac512827042f018cba94cd4f37a43ea87e4ea480110dbd3592f7475bd1bb43. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5z42ksFbd299jmBOJEOgmS.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/5z42ksFbd299jmBOJEOgmS.
Biquini de Bolinha Amarelinha Tão Pequenininho (Itsy Bitsy Teenie Weenie Yellow Polkadot Bikini)
{"copyright_id":"0xfc0a8f726bc76e174e6c16ccb9161a4b6d67c6b666b737743d940423ac706bd5","isrc":"BREMI8200022","name":"Mais Uma De Amor (Geme Geme)","registered_at":"2026-06-29T15:31:17Z","spotify_id":"2thmLGpUIXxc0jqM4qo3xc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0a8f726bc76e174e6c16ccb9161a4b6d67c6b666b737743d940423ac706bd5. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2thmLGpUIXxc0jqM4qo3xc.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/2thmLGpUIXxc0jqM4qo3xc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a99a8431b13d9f51bb99e6fcf4b613783427469be3cd97ac549f2d684e777d6. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FFAhUlJvRXnz7C9HC24uX.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/4FFAhUlJvRXnz7C9HC24uX.
O Romance da Universitária Otária (Ao Vivo)
A Verdadeira História de Adão e Eva (Ao Vivo)
Biquíni de Bolinha Amarelinho Tão Pequenininho (Ao Vivo)
{"copyright_id":"0xdde8ebf35483de60cc749c8f51e5a190a61a67cbdad850871c26487e59df1f29","isrc":"BRP1F0700246","name":"Você Não Soube Me Amar (Ao Vivo)","registered_at":"2026-06-07T19:28:16Z","spotify_id":"3XqQGvtsqQdX0VgWSSpiTW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdde8ebf35483de60cc749c8f51e5a190a61a67cbdad850871c26487e59df1f29. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3XqQGvtsqQdX0VgWSSpiTW.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/3XqQGvtsqQdX0VgWSSpiTW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12eee085f47633f8751587288e032ae750e143dd12fad5ae40f52c9d338030c4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SLtJ61ukgz9lS8CjHpAUy.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/6SLtJ61ukgz9lS8CjHpAUy.
Biquíni de Bolinha Amarelinho Tão Pequenininho
Multishow Registro - Blitz - 30 Anos - Ipanema (Sportify Exclusive)
Mais Uma De Amor (Geme Geme) - Multishow
O Romance Da Universitária Otária - Multishow
Eu, Minha Gata E Meu Cachorro - Multishow
Cruel, Cruel, Esquizofrenético Blues - Multishow
A Dois Passos Do Paraíso / Musica Incidental: One Love People Get Ready - Multishow
A Verdadeira História De Adão E Eva - Multishow
Biquine De Bolinha Amarelinha Tão Pequenininho (Itsy Bitsy Teenie Weenie Yellow Polkdot Bikinini / Música incidental: Preta, Pretinha - Bonus Track
Multishow Registro - Blitz - 30 Anos - Ipanema
O Romance da Universitária Otária - Ao Vivo
Reggae do Avião / Stir It Up / Reggae Night - Ao Vivo
A Verdadeira História de Adão e Eva - Ao Vivo
Biquini de Bolinha Amarelinho Tão Pequenininho (Itsy Teenie Weenie Yellow Polkdoot Bikini) / Inc.: Preta Pretinha - Ao Vivo
{"copyright_id":"0xcbb56bbce4bdb9755b49fd3b35aee763f26edee604019800c12cf51862b52eb7","isrc":"BRP1F0700022","name":"O Homem de Avental - Ao Vivo","registered_at":"2026-06-29T00:45:02Z","spotify_id":"7yMlKZP8m3MdrNkm4moC7D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb56bbce4bdb9755b49fd3b35aee763f26edee604019800c12cf51862b52eb7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yMlKZP8m3MdrNkm4moC7D.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/7yMlKZP8m3MdrNkm4moC7D.
{"copyright_id":"0x64c1027bdaba7a6ec272f106b4559bc0bda3ef5a38e811375afdd0191370a768","isrc":"BRP1F0700235","name":"Betty Frígida - Ao Vivo","registered_at":"2026-06-29T00:39:04Z","spotify_id":"0tDdElbr9jxf0mTqOp1bNP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c1027bdaba7a6ec272f106b4559bc0bda3ef5a38e811375afdd0191370a768. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0tDdElbr9jxf0mTqOp1bNP.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/0tDdElbr9jxf0mTqOp1bNP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a99a8431b13d9f51bb99e6fcf4b613783427469be3cd97ac549f2d684e777d6. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0NgwRYvNoRFBZLzFcsq2Gh.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/0NgwRYvNoRFBZLzFcsq2Gh.
A dois Passos do Paraiso / Inc.: One Love People Get Ready (Ao Vivo) - Inc.: One Love People Get Ready
Reggae do Avião / Inc.: Stir It Up / Reggae Night (Ao Vivo) - Inc.: Stir It Up
Biquini de Bolinha Amarelinho Tão Pequenininho (Itsy Teenie Weenie Yellow Polkdoot Bikini) / Inc.: Preta Pretinha
A Dois Passos do Paraíso / One Love - Ao Vivo
Mais uma de Amor (Geme Geme) / País Tropical - Ao Vivo
Biquíni de Bolinha Amarelinho Tão Pequenininho - Ao Vivo
Você Não Soube Me Amar (Extended Version) - Remix
Você Não Soube Me Amar - Jazz Experience
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14779b9308ae7983d0589ec26eface502a7844b246ee28378a07e8a545d7238e. 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/1DsQHMz4FMnhWf3v48MNDo.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/1DsQHMz4FMnhWf3v48MNDo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a99a8431b13d9f51bb99e6fcf4b613783427469be3cd97ac549f2d684e777d6. 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/7gtDAmCVma36tmCnXACgD5.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/7gtDAmCVma36tmCnXACgD5.
{"copyright_id":"0x2cebbde6e8858d47c4e02b7fd3426a18bf8fc4b5379dc57e545243e1991fecaa","isrc":"BRP1F0700239","name":"A Dois Passos do Paraíso - Ao Vivo","registered_at":"2026-06-06T23:34:34Z","spotify_id":"3jmCQFpdIxv6yp52oX1Z1N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cebbde6e8858d47c4e02b7fd3426a18bf8fc4b5379dc57e545243e1991fecaa. 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/3jmCQFpdIxv6yp52oX1Z1N.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/3jmCQFpdIxv6yp52oX1Z1N.
{"copyright_id":"0xdde8ebf35483de60cc749c8f51e5a190a61a67cbdad850871c26487e59df1f29","isrc":"BRP1F0700246","name":"Você Não Soube Me Amar - Ao Vivo","registered_at":"2026-06-07T19:28:16Z","spotify_id":"5r9rLaH59InhZebNLDqLqd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdde8ebf35483de60cc749c8f51e5a190a61a67cbdad850871c26487e59df1f29. 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/5r9rLaH59InhZebNLDqLqd.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/5r9rLaH59InhZebNLDqLqd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a75a093989518ed93880af0ae2b5b3f38149d61ac2640189bc3b83116a996d. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:41:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZgYkbn97uZnXLUopVFTvU.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/0ZgYkbn97uZnXLUopVFTvU.
{"copyright_id":"0x84ac512827042f018cba94cd4f37a43ea87e4ea480110dbd3592f7475bd1bb43","isrc":"BREMI8300008","name":"A Dois Passos Do Paraíso","registered_at":"2026-06-20T04:16:15Z","spotify_id":"5y40wTpqDmK37FzMmDftJ4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ac512827042f018cba94cd4f37a43ea87e4ea480110dbd3592f7475bd1bb43. 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/5y40wTpqDmK37FzMmDftJ4.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/5y40wTpqDmK37FzMmDftJ4.