thumb|Franco Bracardi Franco Bracardi (16 May 1935 – 27 February 2005) was an Italian actor, composer, pianist and stand-up comedian. Born in Rome, during the first half of the fifties Bracardi began
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa637365f3d9dad5ef3ccd5b9ea49b3e3a63a404b09b79c10e861cfd44dfbb6. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a6fb037-f2e7-46f0-bca6-9bee5148c47a.json and https://artists.proofprofile.net/proofs/artist/7a6fb037-f2e7-46f0-bca6-9bee5148c47a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Se Penso a Te (Sigla Maurizio Costanzo Show)