What makes Sigma content reviewable?
A reviewable claim identifies the information available at the calculation time, the source boundary, the model or analysis version, the evaluation sample and the limitations. Educational pages cite primary references for public definitions. Original Sigma findings remain unpublished until their evidence package passes the research gate.
How complete is the English site today?
The two highest-priority search topics have dedicated English pages and reciprocal language annotations. Other hubs currently remain in Traditional Chinese where a reviewed translation is not yet available. Separate URLs are added only when the body, metadata, schema and internal links can all identify the language consistently.
For some specific references — for example horse owners — we unfortunately cannot provide English translations.
If any dispute arises from discrepancies between language versions, the English version prevails.