# Materializer parity probe — Bun vs Go

**Date:** 2026-05-03T03:13:11Z
**Bun:** `/home/profit/lakehouse/scripts/distillation/build_evidence_index.ts`
**Go:**  `./bin/materializer`

Identical `data/_kb/` source → both runtimes' materializer.
Match = JSONL byte-equal after normalizing `provenance.recorded_at`
(per-run wall clock) + sorted line order (dedup ordering).

**Tally:** 2 match · 0 diff (out of 2 stems)

_No divergences — on-wire JSON parity holds._