Fernando Soriano Marco (born 24 September 1979) is a Spanish former professional footballer who played as a central midfielder. He spent most of his 19-year career with Almería, totalling ten seasons
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 0x3daa8a28c42e1db6bbfa7b64bdb8d44e800c7988e7e57dfb4dabfba7477e3f70. Chain 2 (Bitcoin): anchored in block 953645 (2026-06-14T14:31:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3d921bfe-aa3f-4e11-b495-15fbb7242225.json and https://artists.proofprofile.net/proofs/artist/3d921bfe-aa3f-4e11-b495-15fbb7242225.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).