{"abstract":"A filing at 23:30 local in a zone west of UTC is judged late on the following day.","category":"Legal deadline computation","checks":7,"contract":"The filing timestamp is ISO 8601 with Z or an explicit UTC offset. The court is at offset_min minutes east of UTC (local = UTC + offset). Electronic filing is timely through local midnight ending the deadline day (any time on the deadline date). Paper filing on the deadline day is timely only strictly before the clerk office closing time. Earlier dates are timely. Return [timely, local time ISO to the second].","evaluation_group":"w2-legal-deadline-computation-filing-timestamp-timeliness","failed_approach":"The partial repair `abs(offset_min)` uses the magnitude, which is still wrong for zones west of UTC.","family":"w2-legal-deadline-computation-filing-timestamp-timeliness-offset-direction","id":"FA-77436","implementations":{"attempt":{"sha256":"72bf362aeb9516ccb3c98e0a5096d6986f516254891dee6d347d947d92c3c0d3","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime as dt\nimport calendar\nN = 1\nobservations = []\ndef solve(filed, deadline, offset_min, method, office_close):\n    u = dt.datetime.fromisoformat(filed.replace('Z', '+00:00')).astimezone(dt.timezone.utc).replace(tzinfo=None)\n    local = u + dt.timedelta(minutes=abs(offset_min))\n    dl = dt.date.fromisoformat(deadline)\n    if method == 'electronic':\n        timely = local.date() <= dl\n    else:\n        close = dt.time.fromisoformat(office_close)\n        timely = local.date() < dl or (local.date() == dl and local.time() < close)\n    return [timely, local.isoformat(timespec='seconds')]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00']),\n  ('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30']),\n  ('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00'])],\n [('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30']),\n  ('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00'])],\n [('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00'])],\n [('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00']),\n  ('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00'])],\n [('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00']),\n  ('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00']),\n  ('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30'])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"bf009c081965d063c5022a2a17c4d78b25dd943777c5ebbc2875dbe9883a8ebf","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime as dt\nimport calendar\nN = 1\nobservations = []\ndef solve(filed, deadline, offset_min, method, office_close):\n    u = dt.datetime.fromisoformat(filed.replace('Z', '+00:00')).astimezone(dt.timezone.utc).replace(tzinfo=None)\n    local = u + dt.timedelta(minutes=-offset_min)\n    dl = dt.date.fromisoformat(deadline)\n    if method == 'electronic':\n        timely = local.date() <= dl\n    else:\n        close = dt.time.fromisoformat(office_close)\n        timely = local.date() < dl or (local.date() == dl and local.time() < close)\n    return [timely, local.isoformat(timespec='seconds')]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00']),\n  ('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30']),\n  ('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00'])],\n [('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30']),\n  ('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00'])],\n [('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00'])],\n [('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00']),\n  ('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00'])],\n [('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00']),\n  ('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00']),\n  ('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30'])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"e85276900fafe247ee3ae06dc18262ae8dcfbe92f42d277c3f835f3c6709b4f8","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport datetime as dt\nimport calendar\nN = 1\nobservations = []\ndef solve(filed, deadline, offset_min, method, office_close):\n    u = dt.datetime.fromisoformat(filed.replace('Z', '+00:00')).astimezone(dt.timezone.utc).replace(tzinfo=None)\n    local = u + dt.timedelta(minutes=offset_min)\n    dl = dt.date.fromisoformat(deadline)\n    if method == 'electronic':\n        timely = local.date() <= dl\n    else:\n        close = dt.time.fromisoformat(office_close)\n        timely = local.date() < dl or (local.date() == dl and local.time() < close)\n    return [timely, local.isoformat(timespec='seconds')]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00']),\n  ('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30']),\n  ('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00'])],\n [('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30']),\n  ('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00'])],\n [('deadline day morning',\n   ['2024-03-05T09:00:00Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T09:00:00']),\n  ('paper after close',\n   ['2024-03-05T17:30:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [False, '2024-03-05T17:30:00']),\n  ('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00'])],\n [('paper exactly at close',\n   ['2024-03-05T22:00:00Z', '2024-03-05', -300, 'paper', '17:00'],\n   [False, '2024-03-05T17:00:00']),\n  ('paper before close offset',\n   ['2024-03-05T14:00:00+02:00', '2024-03-05', 60, 'paper', '16:30'],\n   [True, '2024-03-05T13:00:00']),\n  ('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00']),\n  ('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00'])],\n [('paper previous day evening',\n   ['2024-03-04T21:00:00Z', '2024-03-05', 0, 'paper', '17:00'],\n   [True, '2024-03-04T21:00:00']),\n  ('electronic next day',\n   ['2024-03-06T00:00:01Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T00:00:01']),\n  ('offset stamp plus zone',\n   ['2024-03-06T01:15:00+01:00', '2024-03-05', -60, 'electronic', '17:00'],\n   [True, '2024-03-05T23:15:00']),\n  ('regression: west zone late evening',\n   ['2024-03-06T04:30:00Z', '2024-03-05', -300, 'electronic', '17:00'],\n   [True, '2024-03-05T23:30:00']),\n  ('east zone after midnight',\n   ['2024-03-05T22:30:00Z', '2024-03-05', 120, 'electronic', '17:00'],\n   [False, '2024-03-06T00:30:00']),\n  ('explicit offset stamp',\n   ['2024-03-05T23:30:00-05:00', '2024-03-05', 0, 'electronic', '17:00'],\n   [False, '2024-03-06T04:30:00']),\n  ('last second electronic',\n   ['2024-03-05T23:59:30Z', '2024-03-05', 0, 'electronic', '17:00'],\n   [True, '2024-03-05T23:59:30'])]]\nfor label, args, expected in fixtures[N-1]:\n    check(label, solve(*args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated toy deadline rules evaluated offline on explicit fixtures. The contract is inspired by common court-rule structures but is not legal advice and makes no claim to reproduce any jurisdiction's rules. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-legal-deadline-computation-filing-timestamp-timeliness-offset-direction","generated_at":"2026-09-29T14:49:25.679692+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Docketing systems compute filing and response deadlines from trigger events; a wrong date can forfeit a right.","repair":"At the offset direction decision use `offset_min`, leaving the other decision sites of the model unchanged.","root_cause":"The court offset is applied in the wrong direction.","sha256":"22da16de76e34b0165df992e94448b520c5876c12e18a624ba92798fc8d5eafd","title":"Timeliness of a filing timestamp against a local deadline: offset direction · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":44.108,"exit_code":1,"observations":[{"actual":[false,"2024-03-06T09:30:00"],"check":"regression: west zone late evening","expected":[true,"2024-03-05T23:30:00"],"passed":false},{"actual":[false,"2024-03-06T00:30:00"],"check":"east zone after midnight","expected":[false,"2024-03-06T00:30:00"],"passed":true},{"actual":[false,"2024-03-06T04:30:00"],"check":"explicit offset stamp","expected":[false,"2024-03-06T04:30:00"],"passed":true},{"actual":[true,"2024-03-05T23:59:30"],"check":"last second electronic","expected":[true,"2024-03-05T23:59:30"],"passed":true},{"actual":[true,"2024-03-05T09:00:00"],"check":"deadline day morning","expected":[true,"2024-03-05T09:00:00"],"passed":true},{"actual":[false,"2024-03-05T17:30:00"],"check":"paper after close","expected":[false,"2024-03-05T17:30:00"],"passed":true},{"actual":[false,"2024-03-06T03:00:00"],"check":"paper exactly at close","expected":[false,"2024-03-05T17:00:00"],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: west zone late evening\", \"actual\": [false, \"2024-03-06T09:30:00\"], \"expected\": [true, \"2024-03-05T23:30:00\"], \"passed\": false}, {\"check\": \"east zone after midnight\", \"actual\": [false, \"2024-03-06T00:30:00\"], \"expected\": [false, \"2024-03-06T00:30:00\"], \"passed\": true}, {\"check\": \"explicit offset stamp\", \"actual\": [false, \"2024-03-06T04:30:00\"], \"expected\": [false, \"2024-03-06T04:30:00\"], \"passed\": true}, {\"check\": \"last second electronic\", \"actual\": [true, \"2024-03-05T23:59:30\"], \"expected\": [true, \"2024-03-05T23:59:30\"], \"passed\": true}, {\"check\": \"deadline day morning\", \"actual\": [true, \"2024-03-05T09:00:00\"], \"expected\": [true, \"2024-03-05T09:00:00\"], \"passed\": true}, {\"check\": \"paper after close\", \"actual\": [false, \"2024-03-05T17:30:00\"], \"expected\": [false, \"2024-03-05T17:30:00\"], \"passed\": true}, {\"check\": \"paper exactly at close\", \"actual\": [false, \"2024-03-06T03:00:00\"], \"expected\": [false, \"2024-03-05T17:00:00\"], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":42.884,"exit_code":1,"observations":[{"actual":[false,"2024-03-06T09:30:00"],"check":"regression: west zone late evening","expected":[true,"2024-03-05T23:30:00"],"passed":false},{"actual":[true,"2024-03-05T20:30:00"],"check":"east zone after midnight","expected":[false,"2024-03-06T00:30:00"],"passed":false},{"actual":[false,"2024-03-06T04:30:00"],"check":"explicit offset stamp","expected":[false,"2024-03-06T04:30:00"],"passed":true},{"actual":[true,"2024-03-05T23:59:30"],"check":"last second electronic","expected":[true,"2024-03-05T23:59:30"],"passed":true},{"actual":[true,"2024-03-05T09:00:00"],"check":"deadline day morning","expected":[true,"2024-03-05T09:00:00"],"passed":true},{"actual":[false,"2024-03-05T17:30:00"],"check":"paper after close","expected":[false,"2024-03-05T17:30:00"],"passed":true},{"actual":[false,"2024-03-06T03:00:00"],"check":"paper exactly at close","expected":[false,"2024-03-05T17:00:00"],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: west zone late evening\", \"actual\": [false, \"2024-03-06T09:30:00\"], \"expected\": [true, \"2024-03-05T23:30:00\"], \"passed\": false}, {\"check\": \"east zone after midnight\", \"actual\": [true, \"2024-03-05T20:30:00\"], \"expected\": [false, \"2024-03-06T00:30:00\"], \"passed\": false}, {\"check\": \"explicit offset stamp\", \"actual\": [false, \"2024-03-06T04:30:00\"], \"expected\": [false, \"2024-03-06T04:30:00\"], \"passed\": true}, {\"check\": \"last second electronic\", \"actual\": [true, \"2024-03-05T23:59:30\"], \"expected\": [true, \"2024-03-05T23:59:30\"], \"passed\": true}, {\"check\": \"deadline day morning\", \"actual\": [true, \"2024-03-05T09:00:00\"], \"expected\": [true, \"2024-03-05T09:00:00\"], \"passed\": true}, {\"check\": \"paper after close\", \"actual\": [false, \"2024-03-05T17:30:00\"], \"expected\": [false, \"2024-03-05T17:30:00\"], \"passed\": true}, {\"check\": \"paper exactly at close\", \"actual\": [false, \"2024-03-06T03:00:00\"], \"expected\": [false, \"2024-03-05T17:00:00\"], \"passed\": false}], \"passed\": false}\n"},"fixed":{"elapsed_ms":40.531,"exit_code":0,"observations":[{"actual":[true,"2024-03-05T23:30:00"],"check":"regression: west zone late evening","expected":[true,"2024-03-05T23:30:00"],"passed":true},{"actual":[false,"2024-03-06T00:30:00"],"check":"east zone after midnight","expected":[false,"2024-03-06T00:30:00"],"passed":true},{"actual":[false,"2024-03-06T04:30:00"],"check":"explicit offset stamp","expected":[false,"2024-03-06T04:30:00"],"passed":true},{"actual":[true,"2024-03-05T23:59:30"],"check":"last second electronic","expected":[true,"2024-03-05T23:59:30"],"passed":true},{"actual":[true,"2024-03-05T09:00:00"],"check":"deadline day morning","expected":[true,"2024-03-05T09:00:00"],"passed":true},{"actual":[false,"2024-03-05T17:30:00"],"check":"paper after close","expected":[false,"2024-03-05T17:30:00"],"passed":true},{"actual":[false,"2024-03-05T17:00:00"],"check":"paper exactly at close","expected":[false,"2024-03-05T17:00:00"],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"regression: west zone late evening\", \"actual\": [true, \"2024-03-05T23:30:00\"], \"expected\": [true, \"2024-03-05T23:30:00\"], \"passed\": true}, {\"check\": \"east zone after midnight\", \"actual\": [false, \"2024-03-06T00:30:00\"], \"expected\": [false, \"2024-03-06T00:30:00\"], \"passed\": true}, {\"check\": \"explicit offset stamp\", \"actual\": [false, \"2024-03-06T04:30:00\"], \"expected\": [false, \"2024-03-06T04:30:00\"], \"passed\": true}, {\"check\": \"last second electronic\", \"actual\": [true, \"2024-03-05T23:59:30\"], \"expected\": [true, \"2024-03-05T23:59:30\"], \"passed\": true}, {\"check\": \"deadline day morning\", \"actual\": [true, \"2024-03-05T09:00:00\"], \"expected\": [true, \"2024-03-05T09:00:00\"], \"passed\": true}, {\"check\": \"paper after close\", \"actual\": [false, \"2024-03-05T17:30:00\"], \"expected\": [false, \"2024-03-05T17:30:00\"], \"passed\": true}, {\"check\": \"paper exactly at close\", \"actual\": [false, \"2024-03-05T17:00:00\"], \"expected\": [false, \"2024-03-05T17:00:00\"], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}