Mañas is a Spanish surname. Notable people with the surname include: Achero Mañas (born 1966), Spanish film director Aitor Mañas (born 2003), Spanish footballer Fernando Llorente Mañas (born 1990), 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 0xa699c8d9a49afb88f3495327c1dab17ac60fe3df7ffc23c7494acf5bb8b67443. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8092cf8d-17ab-4859-aab6-61637dcad772.json and https://artists.proofprofile.net/proofs/artist/8092cf8d-17ab-4859-aab6-61637dcad772.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).