Trace a coverage gap through publisher, snapshot, captured field and review action.
Opening the evidence workspace.
Open a count to inspect its source chain. Missing receipt bodies stay UNAVAILABLE; no-data results never become zero.
Verified load activity. Unavailable until current load-run records are connected.
Not traced to a publisher receipt: these are real counts of rows that should be openable at the publisher's own page and are not. Nothing our own vocabulary produced appears here.