Marchesini is a surname. Notable people with the surname include: Alessandro Marchesini (1664–1738), Italian painter and art merchant of the late-Baroque and Rococo Anna Marchesini (1953–2016), Ita
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 0x1a43d342eb91e369b99d21e1765fa7a72b785492a573da6e798d062edf7ba14c. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b9f7d984-e4ce-4097-8218-3c10a50ea776.json and https://artists.proofprofile.net/proofs/artist/b9f7d984-e4ce-4097-8218-3c10a50ea776.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Majestade Real (Marchesini & Farina Vs Max B)