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Sorting blinded specimen IDs changes treatment assignment · case 03

Sorting blinded specimen IDs changes treatment assignment.

Member previewVariant 3 · 3 implementations · 6 checks per implementation

Case contract

Return treatment labels in requested specimen order using the immutable manifest, with unassigned for missing IDs.

Why this case matters

A deterministic offline model of scientific workflow bookkeeping; the fixtures test provenance contracts without modeling instruments or biological inference.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
reordered processing	`["control", "treated"]`	`["treated", "control"]`	Failed

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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