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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a8cc37a2aae650d94a3c6779310a79f32a32f2e604f3164e8f7f5cfd5e2eccb. 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/6c5d0435-3a78-4a3b-8628-f777fb869e5b.json and https://artists.proofprofile.net/proofs/artist/6c5d0435-3a78-4a3b-8628-f777fb869e5b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bicho do Mato / Samba de uma Nota Só - Ao Vivo
Meu Canto É Pra Valer / Saudades da Guanabara - Ao Vivo
Chico - Artista Brasileiro (Trilha Sonora do Filme)
As Curvas da Estrada de Santos - Ao Vivo
Pot-Pourri: Conversando No Bar / San Vicente - Ao Vivo
Embaixo ou em Cima (Trilha Sonora Original do Espetáculo a Hora da Estrela, o Canto de Macabéa)
Embaixo ou em Cima - Trilha Sonora Original do Espetáculo a Hora da Estrela, o Canto de Macabéa
Vermelho Esperança (From " A Hora da Estrela, o Canto de Macabéa")
Vermelho Esperança - From " A Hora da Estrela, o Canto de Macabéa"