{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":336,"claim_id":349,"claim_text":"The due diligence document said Mandelson remained on the board of the Kremlin-linked defence company Sistema long after Putin's first invasion of Ukraine in 2014.","label":"vero","confidence":0.8,"explanation":"Russia's annexation of Crimea and incursion into Ukraine began in 2014. Reporting confirms Peter Mandelson joined the board of the Russian conglomerate Sistema and remained a director until 2017 - well after 2014. Sistema is a conglomerate whose subsidiary RTI supplies Russian defence/early-warning technology, so the 'defence company' framing is broadly accurate though Sistema is a diversified group.","sources":[{"url":"https://en.wikipedia.org/wiki/Peter_Mandelson","ente":"Wikipedia (biographical record)","titolo":"Peter Mandelson","estratto":"Mandelson joined the board of Russian conglomerate Sistema and remained on the board until 2017, after Russia's 2014 actions in Ukraine."}],"issued_at":"2026-07-01T07:52:35+00:00"},"signature_b64":"CsSaGEda62DX85/zilgHlgtWjG+y+XyLW4MDQ/XV1Lh55kgZtndrJts5m+Ya8raovskrR6evRrvcZFa8uzj/Cg==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}