Compare robots by class

Choose one source table, then compare only subjects that share its physical class and metric definitions. Cross-class columns are impossible by design.

Comparison workspace

The selector changes the entire table and clears incompatible subjects. Inspect all rows, exact authored differences, published gaps, or cells without linked evidence. A dash remains a published gap, not zero; values stay in the source table’s authored units and conditions.

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What the CSV preserves

Claim identity

Physical class, inspection view, table id, metric, subject, reported/missing state, authored value, and stable claim URL.

Evidence identity

Every evidence id plus its stable registry URL and direct source URL. Empty evidence stays empty.

Descriptive completeness

The evidence-mix card counts unique backing records by grade. Per-subject cards count reported rows, published gaps, out-of-row cells, and evidence-linked cells. None ranks products.

No unit guessing

Difference views compare authored state and text. Numeric-looking text is not coerced, converted, or treated as equivalent.