FA-11930 / Scientific pipeline provenance / Member archive

A rotor loading manifest pairs adjacent tubes as counterweights · case 05

A planned opposed-pair rotor load passes despite unmatched opposite tube masses.

Member previewVariant 5 · 3 implementations · 7 checks per implementation

Case contract

Slots are a nonempty even-length list of nonnegative integer effective tube masses, including adapters; zero means empty. Return whether every slot equals its opposite slot at half the slot count. This deliberately conservative opposed-pair acceptance rule is not a general rotor dynamics or instrument safety model.

Why this case matters

A deterministic offline model of scientific specimen processing and provenance; explicit fixtures test the stated bookkeeping or processing acceptance rule.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
equal adjacent masses do not oppose	`true`	`false`	Failed

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

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