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 0x227ad62806f205bef217cf257fb29629932543f895ce38183f884ee312f3a92b. 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/07e3f3d1-7373-4295-bb79-7f482d47e3db.json and https://artists.proofprofile.net/proofs/artist/07e3f3d1-7373-4295-bb79-7f482d47e3db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Como te quis e te quero (How I Wanted You and Want You)
Desde ontem que te nao vejo (I Have Not Seen You Since Yesterday)
As palavras que eu procuro (The Words I Search)
É ele que me canta a mim (feat. Dulce Pontes)
Grupo Folclórico Tradições do Baixo Douro
Rancho Folclórico Stª Eufémia de Pé de Moura
Chuva nos Beirados (feat. Buba Espinho, Eduardo Espinho & António Caixeiro)
Sms (feat. Katia Guerreiro & Marta Pereira da Costa)