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 0x8b2801d57a57d4118e23ee66e8e1b7a413ad639e999c0686c6a0a43aa1cd9506. 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/1cb74ee2-bf06-45bc-ad74-391954a3a4bc.json and https://artists.proofprofile.net/proofs/artist/1cb74ee2-bf06-45bc-ad74-391954a3a4bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Danza Das Pereiras/Danza de Rubiós/Muiñeira de Mangüeiro
O Merlo/Bizkaian Zehar/Lúa Clarea/Pagasarriko Martxea/Lévame, Lévame
Cantar Dos Arrieiros/Maneo Dos Barreiros de Malpica de Bergantiños
Ven Bailar Carmiña/Pasodoble do Berbés (Os Morenos de Lavadores)
Amence no camiño - alborada de Pontecaldela
Pandeirada de Pino e Muiñeira de Curxido