Nardone is a surname of Italian (typical of Lazio) origin. Notable people with the surname include: Benito Nardone (1906–1964), Uruguayan journalist and political figure George Nardone (born 1964),
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 0x1684bf92469e8db7315e3c76fc6bdcff36a9a269be683b2cde14f23eaafb21ae. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be4b53ef-deb0-4893-b0d9-0edeca64cecb.json and https://artists.proofprofile.net/proofs/artist/be4b53ef-deb0-4893-b0d9-0edeca64cecb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).