Illanes (and Yllanes) is a Spanish-origin surname, appearing in the names of: Alejandro Mario Yllanes (1913–1960), Bolivian painter Héctor Noguera (b. 1937), full name Héctor Eugenio Noguera Illanes
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 0x1582f40ef89cabba94948f23dc3974618b382af477789905be54884e16567fcd. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/947d4ea0-b139-4e4a-a577-4e597e7ada7c.json and https://artists.proofprofile.net/proofs/artist/947d4ea0-b139-4e4a-a577-4e597e7ada7c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).