Choose the action that matches the evidence you can add.
ReproduceRun the same public package and report what happened.
ChallengeReport a defect, failed prediction, counterexample, or competing interpretation.
ExtendChange one declared condition and test whether the claim survives.
CollaborateBring a trace, instrument, domain boundary, or joint study.
Start with the Research Note ID and tested commit. Keep observations separate from interpretations. Never upload confidential or personal data to a public thread.