Izan Fernández Vieitez (born 3 October 2001) is an Andorran footballer who plays as a forward for Tercera Federación club CD Binéfar and the Andorra national team. Club career A youth product of FC A
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 0x4c02762332d3da0f8f923fb51e90069f4e2dbcaa7da4aa67cb5615ff0a448e8b. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b762e9f4-dc43-4919-b33e-4c2a2d1f20d4.json and https://artists.proofprofile.net/proofs/artist/b762e9f4-dc43-4919-b33e-4c2a2d1f20d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).