{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":439,"claim_id":452,"claim_text":"Net migration which reached nearly a million under them ... down by a staggering 82%.","label":"vero","confidence":0.78,"explanation":"ONS figures show net migration peaked at about 906,000 in the year ending June 2023 and fell to a provisional 171,000 in the year ending December 2025 — a reduction of roughly 81%, consistent with the '82%' cited within rounding. 'Nearly a million' is a slight rhetorical rounding-up of the ~906,000 peak.","sources":[{"url":"https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/internationalmigration/bulletins/longterminternationalmigrationprovisional/yearendingdecember2025","ente":"ONS","titolo":"Long-term international migration, provisional, year ending December 2025","estratto":"Net migration was 171,000 in YE December 2025, down from a peak of over 900,000 in 2023."}],"issued_at":"2026-07-01T07:59:08+00:00"},"signature_b64":"Nf3odkavBplPX0GoRUVuW8hWVoolZqOcm8/uEF5U5O5nbglQlmqfM9wie1Ze0B4GS8Ee3AT8cryq1lxrqpInBw==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}