{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":434,"claim_id":447,"claim_text":"Under the plans that we inherited, fuel duty was due to go up by 5% in April. We stopped that.","label":"impreciso","confidence":0.55,"explanation":"It is true that a scheduled fuel-duty rise (the RPI uprating plus reversal of the temporary 5p/litre cut) was cancelled and the freeze extended (at Budget 2024 to April 2026 and Budget 2025 to end August 2026). However, the increase is a 5p-per-litre cut plus RPI, not a flat '5%'; the figure is a loose characterisation.","sources":[{"url":"https://commonslibrary.parliament.uk/research-briefings/cbp-10340/","ente":"House of Commons Library","titolo":"Fuel duty: Developments since 2022","estratto":"Successive Budgets cancelled the planned RPI rise and maintained the temporary 5p cut, extending the freeze."}],"issued_at":"2026-07-01T07:59:04+00:00"},"signature_b64":"GFTYCY0YSnrPL/OqnyDIfObaQY+jeIPK5mWLI6RPtKkDFrrbw2B2Bc3mHYsfGqPvhE/9GLE9jWlINCe0m8efDw==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}