From Records ingested via the January CSV importer (18,420 rows)
To All records ingested via any CSV importer between January and March (41,908 rows)
Evidence: Query run 2026-09-04, attached as audit note 17
| Before | Added | Removed | After |
|---|---|---|---|
| 18420 | +23488 | −0 | 41908 |
18420 + 23488 − 0 = 41908 · reconciles
Count-neutrality proof, in full
The 23,488 added rows are the February and March importer batches, previously excluded because the importer was assumed patched on 31 January. That assumption was wrong: the patch shipped on 4 April. No rows were removed; the original 18,420 remain in the population unchanged, so 18,420 + 23,488 - 0 = 41,908.