{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":421,"claim_id":434,"claim_text":"We got the best ambulance response times for half a decade.","label":"vero","confidence":0.65,"explanation":"NHS England ambulance data show Category 2 response times in 2025/26 fell to around 29-30 minutes, the best performance in roughly five years and a sharp improvement on the December 2022 peak of over 90 minutes. 'Best for half a decade' is broadly supported.","sources":[{"url":"https://www.england.nhs.uk/statistics/statistical-work-areas/ambulance-quality-indicators/","ente":"NHS England","titolo":"Ambulance Quality Indicators","estratto":"Category 2 mean response time improved to around 30 minutes in 2025/26, the best since 2020/21."}],"issued_at":"2026-07-01T07:58:51+00:00"},"signature_b64":"fc1CqNnNV4ipvz5qPW/vwLqUxDT1YqnLct4OIR59y+IVObqv3irnxfEcyS1uBpXsfVg4tHYVR4bjslpCYIgWDg==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}