{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":389,"claim_id":402,"claim_text":"I also want to remember the 72 lives lost at Grenfell Tower.","label":"vero","confidence":0.98,"explanation":"The official, final death toll of the 14 June 2017 Grenfell Tower fire is 72, a figure confirmed by the Metropolitan Police and the Grenfell Tower Inquiry, whose final report (September 2024) concluded all 72 deaths were avoidable.","sources":[{"url":"https://en.wikipedia.org/wiki/Grenfell_Tower_fire","ente":"Grenfell Tower Inquiry / Metropolitan Police","titolo":"Grenfell Tower fire","estratto":"The fire caused 72 deaths, the official and final death toll of the tragedy."}],"issued_at":"2026-07-01T07:58:27+00:00"},"signature_b64":"5ZY8WpW+xxOEfff2IdBJHva4i7th4pERQITBHBXCToItnDk4iSkUEvBY+oYzBhouEXX9egautryKJCWM5/e5Bg==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}