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 0x74f8e11d376a88d9d9170b516615863a2fa73865c83edfaee69f89cd445623b7. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5dc0fd6b-8b7d-43a2-9ede-81ff5a42ba59.json and https://artists.proofprofile.net/proofs/artist/5dc0fd6b-8b7d-43a2-9ede-81ff5a42ba59.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nem Mal Que Sempre Dure Nem Bem Que Nunca Se Acabe
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Ouvindo Cesária - À Memoria de Cesária Évora
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Amchem Noxib: Don Kallzam (Sontos Bhogta)
Cada x + Perto (feat. Rão Kyao, RAISSA & Rubi Machado)
Cantemos Alegres a Uma Só Voz (Hino dos pastorinhos)