diff --git a/.gitignore b/.gitignore
index bac61bd..44b7c5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,16 @@ db.sqlite3
 .env
 .env.*
 !.env.example
+
+# Local-only recovered reference trees and generated oracle evidence.
+/archaeology/
+/batch01_*.json
+/batch01_*.md
+/batch01_*.npz
+/hs22_oracle_v1/
+/hs22_usage_v1/
+/paper_replay_reference_baseline.py
+/reference_kernel_v2_authoring/
+/reference_patch_authoring/
+/reference_replay_state_machine.patch
+/reports/