Observation cites a purged document
A measurement cites a source document that a steward has purgedPurgeRemoving a stored document’s contents while keeping a record that it was removed and why. Conclusions that used it must be checked again.. The observation is not applied, and this findingFindingA difference in the records that needs a decision. It includes its sources and can describe a slow handoff, disputed fact or missing owner. names the artifact. Nothing about the purge is hidden: the tombstoneTombstoneA retained record that says content was removed, when it was removed and why. The removed content itself is no longer available. stays and every fact that cited the document has dropped down the ladder.
To measure again, re-acquire the source. The finding is raised once per artifact, never once per pass.