Use Lineage to Turn Suspicion Into Evidence

The move: trace the value before judging the source. Entity, activity, agent Provenance separates the data object, the process that acted on it, and the person or system responsible. This gives you a simple investigation pattern: what value, changed by which activity, under whose control? Follow the first wrong point Start at the final bad value and walk backward until you find the first place the value differs from expectation. That point is where your fix belongs. Preserve the chain A lineage note should name the source, transformation, schedule, rule, and owner. You are not writing archaeology for its own…

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