María Paz Azagra Navascues (born 23 August 1982), commonly known as Mari Paz, is a former Spanish football midfielder. She played for SD Lagunak and Rayo Vallecano in Spain's Superliga Femenina, and S
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 0x332acc25cccc8187ea8b6b15cb1fce26c0f465006ea30141d96a09e7b43a072c. 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/85fa524d-3f50-463b-9868-de0af8500edb.json and https://artists.proofprofile.net/proofs/artist/85fa524d-3f50-463b-9868-de0af8500edb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).