{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":403,"claim_id":416,"claim_text":"Our 1 billion-pound investment in new helicopters... secures thousands of jobs across the United Kingdom.","label":"vero","confidence":0.9,"explanation":"In March 2026 the MoD confirmed a circa £1 billion contract with Leonardo for 23 AW149 New Medium Helicopters, built at Yeovil. The Government said it secures around 3,300 jobs at Yeovil and supports more than 12,000 across the UK supply chain, so 'thousands of jobs' is accurate.","sources":[{"url":"https://www.gov.uk/government/news/billion-pound-helicopter-deal-secures-3300-british-jobs-boosts-battlefield-kit-and-unlocks-up-to-15billion-in-ukexports","ente":"GOV.UK / Ministry of Defence","titolo":"Billion-pound helicopter deal secures 3,300 British jobs","estratto":"£1bn deal for 23 AW149 helicopters secures 3,300 jobs at Yeovil and supports thousands more in the supply chain."}],"issued_at":"2026-07-01T07:58:34+00:00"},"signature_b64":"UUxr12zfq8/cjnnvbET28692fZdwMBRoKOwG/G4VsEWqqN7yvAS67/NOYJiC1MvdvIhaJPt0jGLouOmSxutSDA==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}