Metadata
Link, date, citation or descriptive fields changed without altering underlying evidence.
Corrections archive
The absence of corrections is itself recorded, not implied.
Every material correction should identify the affected object/version, original state, corrected state, reason, discovery route, date, severity and whether conclusions changed.
Correction classes
Data
One or more observations, transformations or source mappings changed.
Method
Code, specification or analytical procedure changed.
Interpretation
Published language or conclusion changed because the evidence no longer supported the original wording.