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 0x507494a2ff654faa7a427ca41f5ff01d93dde3e50a8bca17ba050e66f7b90959. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8cb7773a-aa8c-45f4-bb6c-40130691ff85.json and https://artists.proofprofile.net/proofs/artist/8cb7773a-aa8c-45f4-bb6c-40130691ff85.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
O Que Querem Que Eu Faça (Com Tanto Sol)
Completamente Triste (feat. Alaíde Costa)
Sol e Água Limpa (feat. Marcela Mangabeira)
Maria (L'autre Chienne) [feat. Roberta Sá]
La Momia Inquieta (A Canção) [feat. Eugenia Brusa e Toto Mendez]