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 0xe2376895a45a357aa49864430a617a2a514ab2ddc1cbd7ad4777b24aac3f3b56. 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/dcb443ce-7265-4a7c-a0bb-0b2de74ead41.json and https://artists.proofprofile.net/proofs/artist/dcb443ce-7265-4a7c-a0bb-0b2de74ead41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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Pretas Brancas e Morenas / É Lenha / Amor Verde e Rosa
Onde O Rio É Mais Baiano - Ao Vivo Em Nova York / 2019
Desde Que O Samba É Samba - Ao Vivo Em Nova York / 2019
Csak Benned Bíztam - Szatmári & Mosquito Remix