Cristina Eugenia Medina Conde (Seville; April 8, 1971) is a Spanish actress, singer and theater producer. Known for her role as Nines Chacón in the Telecinco series La que se avecina. Biography Sh
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f818dd6b7699ff91063978fb13bb84313440c3a562af16940b48d35392cba24. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90131d8e-abae-4e67-9ce4-2592efd1e57a.json and https://artists.proofprofile.net/proofs/artist/90131d8e-abae-4e67-9ce4-2592efd1e57a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).