{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":335,"claim_id":348,"claim_text":"Today my thoughts are with the family of Stephen Lawrence, murdered in a racist attack 33 years ago today.","label":"vero","confidence":0.98,"explanation":"Stephen Lawrence was murdered in a racially motivated attack on 22 April 1993 in Eltham, south-east London. From 22 April 1993 to 22 April 2026 is exactly 33 years.","sources":[{"url":"https://commonslibrary.parliament.uk/research-briefings/cdp-2023-0160/","ente":"House of Commons Library","titolo":"Metropolitan Police investigation into the murder of Stephen Lawrence","estratto":"Stephen Lawrence was murdered in a racist attack on 22 April 1993."}],"issued_at":"2026-07-01T07:52:35+00:00"},"signature_b64":"v9yaIUhlqVjK+1/19mnh8tuG03KklgCuBtLjV1UgeMqlXIDRf6f9710InT3z90r++rT+st7D+rdlRCb3QCuuDg==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}