{"algorithm":"Ed25519","canonicalization":"JSON con chiavi ordinate (sort_keys), separatori compatti (',' ':'), ensure_ascii","payload":{"verdict_id":340,"claim_id":353,"claim_text":"In 1777, Bootham Park Hospital was given in trust to the people of York. Since it closed in 2015, NHS Property Services has squandered 5 and a half million pounds keeping the building empty.","label":"vero","confidence":0.85,"explanation":"The Grade I listed Bootham Park building in York was completed in 1777 and closed suddenly in 2015 after the CQC identified serious patient-safety issues. Reporting indicates roughly £5.5 million has been spent maintaining the empty site since closure, consistent with the MP's figure.","sources":[{"url":"https://en.wikipedia.org/wiki/Bootham_Park_Hospital","ente":"Wikipedia (historical record)","titolo":"Bootham Park Hospital","estratto":"The building was completed in 1777; the hospital closed in 2015 after the CQC identified serious patient-safety issues."}],"issued_at":"2026-07-01T07:52:35+00:00"},"signature_b64":"S1ucroerxhTijqM76dYXcBKRIVZHlksoOfPLn8TxuFkz22kRuZeWTIaoHuEVgUnL+/S6kMhq1sab3kC8GPXsBQ==","public_key_hex":"1719e2638a2cc0ec8d552d71dca52197f934e0a66b17e6364f1eed7a1d428e01","note":"Verifica offline: ed25519_verify(public_key, base64decode(signature_b64), canonical_json(payload))."}