Synthetic fixture · No AI product run
Dates and formula-like text stay unexecuted
An unchanged ambiguous date and formula-like text need review even when ID and row rules pass. Download fixtures as text; spreadsheet programs may execute formula-like cells.
Methodology and expected outcome
Load this synthetic test, then choose “Run checks.” Its declared rules are shown below and loaded into editable controls. Changing them changes the question being tested. Expected: Dates and ambiguous values — not checked. Other rules can pass or remain not checked. Review the full outcome list and exact differences.
{
"key": "id",
"preserveIds": true,
"protected": [
"note"
],
"deduplicate": false,
"rowDelta": 0,
"totals": [],
"dates": [
"date"
]
}Products are not yet tested. This case was deliberately constructed to exercise checker behavior; it is not a model comparison, certification or claim of human review. Passing selected constraints does not establish factual or business correctness.
Downloads preserve the fixture values exactly. Formula-like values may execute in spreadsheet programs; inspect untrusted CSV as text or import columns as Text.
Inspect original and edited text
Original
id,date,note 001,03/04/2026,=1+1 002,2026-04-03,<img src=x onerror=alert(1)>
Edited
id,date,note 001,03/04/2026,=1+1 002,2026-04-03,<img src=x onerror=alert(1)>
1. Choose original and edited CSVs
UTF-8, comma-separated files: up to 1 MiB, 5,000 logical records including the header, 100 columns and 100,000 cells per file. No formulas are executed.
Files run in browser memory with no upload by this checker. The surrounding site may load assets; downloads remain on your device. Read the full method, privacy scope and limitations before checking your own data.
