Reproducibility and Artifact Contracts

Required Metadata

• code revision and branch/tag
• data snapshot/version
• split protocol details (including purge/embargo)
• model and hyper-parameter settings
• runtime environment metadata

Required Artifacts

• summary report with key diagnostics
• module-level outputs used for promotion decisions
• benchmark/performance context where applicable
• decision memo or traceable approval reference

Acceptance Checklist

• A peer can rerun and reproduce materially equivalent outputs.
• Inputs and assumptions are discoverable without tribal context.