Setti is a surname. Notable people with the surname include: Camillo Setti, Italian Baroque painter Duilio Setti (1912–1972), Italian footballer Emanuela Setti Carraro (1950–1982), Italian nurse Erco
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 0xb991eb1e0b90f5036d2af1cca8dc986c3ec05a72c30dc7eb6199bf16c4b417f3. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/caef9c2d-0f3f-4fe5-a541-499616c01302.json and https://artists.proofprofile.net/proofs/artist/caef9c2d-0f3f-4fe5-a541-499616c01302.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).