Submit
Send a correction or source suggestion through the reviewed, Turnstile-protected feedback form.
Corrections
Trust requires a visible change record.
Material errors are not silently overwritten. Each correction records the original wording, corrected wording, reason, source, date, and affected pages.
Material correction log
Current research edition
No material correction record has been published for this edition.
This does not mean the dataset is permanently current. Dated claims are retired or corrected when new evidence changes them.
Verify
Prefer primary records. Preserve the reported definition, period, and original wording.
Publish
Update the registry, affected pages, change record, and last-verified date together.