# Correction: a note on source-usage counts gave the wrong start date

- **Artifact ID:** CHQ-CORR-2026-039
- **Status:** IN FORCE
- **Public record:** https://record.cybersecurityhq.com/corrections/chq-corr-2026-039
- **Machine-record SHA-256:** `fa2d11076c002d7b0a5b02fe7566caa26a4fe3d324a3272ec91d64943463fcc5`

## Complete structured record

```json
{
  "id": "CHQ-CORR-2026-039",
  "class": "CORRECTION",
  "subtype": "editorial",
  "status": "IN FORCE",
  "authority": "DM ratified 2026-11-12",
  "effective": "2026-11-12",
  "published": "2026-11-12",
  "title": "Correction: a note on source-usage counts gave the wrong start date",
  "what_was_wrong": "A note attached to fifteen source records said that typed retrieval states, from which usage counts are derived, begin on 31 October 2026.",
  "what_is_true": "Typed states begin on 29 October and the derived counts cover all of them. The counts were right and the note was wrong.",
  "what_changed": "A dated correction is appended to each of the fifteen records.",
  "what_did_not_change": "No count, rating, Outlook or Watch. The derivation itself was correct.",
  "control_analysis": "The note was written by hand beside a derived figure and was not checked against it. A disagreement between the figure and the stated date exposed it.",
  "found_by": "An outside reader of a draft of Issue No. 46, verified by CHQ."
}
```