# Content Integrity (/en/docs/integrity)



Coffee knowledge is full of rules of thumb, regional conventions, marketing claims and simplifications. They are not necessarily wrong, but they are not the same kind of thing. Café OS labels key claims with one of six levels:

<ClaimLevelList />

Processing, flavor, water, roast and espresso recipes need this most.

## Mechanistic visualization, not scientific simulation [#mechanistic-visualization-not-scientific-simulation]

The 3D scenes and models exist to explain causal structure, not to make quantitatively accurate predictions. Wherever an approximation is used, the scene says so.

## Sources [#sources]

Every concept can carry references, a last-reviewed date and editor notes. Pages do not pile up citations by default, but the reasoning stays traceable.