Governed infrastructure for clinical sign-offs. Immutable ledger, atomicity, idempotency, and zero-drift contracts. Published as proof of governance.
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Updated
May 18, 2026 - Python
Governed infrastructure for clinical sign-offs. Immutable ledger, atomicity, idempotency, and zero-drift contracts. Published as proof of governance.
Every row accounted for: a PySpark medallion lakehouse where bronze_in = silver_kept + quarantined + deduped is asserted per batch and re-runs are checksum-verified no-ops. YAML contracts gate each layer, violations quarantined with reasons. 1.22M rows through bronze/silver/gold in 236.6s on 2 cores. Fabric/Databricks pattern, runs on a laptop.
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