François () is a French masculine given name and surname, equivalent to the English name Francis. People with the given name François Abadie (1930–2001), French politician François Abou Mokh (1921–
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 0x5d21855c08fed99aa9637122de70c12499a46430fc608047adb615ca84756946. 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/7a844c0e-6985-48ba-a2f9-0f272df3a3d1.json and https://artists.proofprofile.net/proofs/artist/7a844c0e-6985-48ba-a2f9-0f272df3a3d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).