{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":394,"claim_id":407,"claim_text":"Every year more than 30,000 deaths in our country are attributed to poor air quality.","label":"vero","confidence":0.85,"explanation":"Public Health England estimates that long-term exposure to air pollution is attributable to between 28,000 and 36,000 deaths a year in the UK; a June 2025 Royal College of Physicians report likewise linked around 30,000 deaths to air pollution. 'More than 30,000' sits within these official estimates.","sources":[{"url":"https://www.gov.uk/government/news/public-health-england-publishes-air-pollution-evidence-review","ente":"Public Health England (gov.uk)","titolo":"Public Health England publishes air pollution evidence review","estratto":"Between 28,000 and 36,000 deaths a year are attributed to long-term exposure to air pollution."}],"issued_at":"2026-07-01T07:58:27+00:00"},"signature_b64":"nUFQ+99uE7E2lsFLiiCTleq/M5VOw0JoSB26rvoU1Z7KkdqS9C0YtB9/cpSq/palKTbPXI+7ka1gCmIFGilaBQ==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}