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 0xe237a17b8346954b3661505f022bfe917fdb13832165a4956739d656a3d18e11. 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/8f4dc3ab-24d0-40be-bca7-80dd31c1a065.json and https://artists.proofprofile.net/proofs/artist/8f4dc3ab-24d0-40be-bca7-80dd31c1a065.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pra Todas as Crianças: The Sound Of Music, Dó Ré Mi
O Sapo nao lava o pé / Dó Ré Mi Fá Sol Lá Sí
Pintor de Jundiai / Dona Baratinha / Olivia Vai Ter Nenem (I'm Popeye The Saylor Man)
A Cabeça / Janelinha / O Sitio do Seu Lobato
{"copyright_id":"0xb61e903ee99e517d9ed6b53c87e198221f6da795ff994465ce05c62e9f0075d4","isrc":"BRBMG9500149","name":"Ursinho Pimpão (Mi Osito Pelon)","registered_at":"2026-06-29T05:07:07Z","spotify_id":"7Df5jlTEqOImgbiGlxLpqI","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 0xb61e903ee99e517d9ed6b53c87e198221f6da795ff994465ce05c62e9f0075d4. 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/7Df5jlTEqOImgbiGlxLpqI.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/7Df5jlTEqOImgbiGlxLpqI.
Mestre Andre / Papagaio Loro / Motorista / Estória de Palhaços
Porquinho / Macaquinho / Ratinho Bonitinho / As Vogais
Lavar As Mãos / As Letrinhas / Aprendendo a Cantar
As Mãozinhas / Meu Burro / Dente de Leite
Pintinho Fujão / Minhoca / Boneca de Lata
Coelhinho da Páscoa / A Tartaruguinha / A Igrejinha / Parabéns
Quando Eu Era Neném / Não Atirei o Pau no Gato / Onde Estão os Dedinhos
Sacudi, Sacudi/Bom Dia, Como Vai?/Amarelinha
Passo A Passo/Meu Coraçãozinho/Somar, Subtrair, Dividir,Multiplicar
Voa Voa Abelhinha/Descobrindo O Brasil/Corre Cotia
Largue Essa Chupeta/Aperte O Meu Nariz/O Peixinho Fugiu
Primavera (Any Fool Could See) [You Were Meant to Me]
Eu Vi / Faça Tudo Que Eu Disser / Perna e Pé
Pingos da Chuva / Aprendendo a Assoviar / Nhoc
Como um Beijo em Noite de Luar (Rush Rush)
{"copyright_id":"0x2b48417c4996ccfe5736d91d56e97be712c955d90fbe0c35cfacc530a31040c1","isrc":"BRBMG0000261","name":"Brincar Com Chiquinho","registered_at":"2026-06-29T05:58:37Z","spotify_id":"1Zu3pjDRB4LkUC9oGKjyz3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b48417c4996ccfe5736d91d56e97be712c955d90fbe0c35cfacc530a31040c1. 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/1Zu3pjDRB4LkUC9oGKjyz3.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/1Zu3pjDRB4LkUC9oGKjyz3.
A Galinha Magricela (La Gallina Papanatas)
Ai Meu Nariz (Tengo un Grano An la Nariz)
Ao Mestre Com Carinho (To Sir With Love)
{"copyright_id":"0x31209612bb4048deda38ebd768c2f5d3b9da03eb53c7d5162b8a3d02bfa48f03","isrc":"BRBMG0300495","name":"Festa do Amor","registered_at":"2026-06-29T05:58:01Z","spotify_id":"5ktAnQAA0bnNBJBi2uGVYi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31209612bb4048deda38ebd768c2f5d3b9da03eb53c7d5162b8a3d02bfa48f03. 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/5ktAnQAA0bnNBJBi2uGVYi.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/5ktAnQAA0bnNBJBi2uGVYi.
Deine Liebe (Jan Yello UnbelieveBell Mix)
Deine Liebe - Jan Yello UnbelieveBell Mix