diff --git a/submissions/inbox/gpt5.4/run_01/metadata.json b/submissions/inbox/gpt5.4/run_01/metadata.json
new file mode 100644
index 0000000..0ac4f82
--- /dev/null
+++ b/submissions/inbox/gpt5.4/run_01/metadata.json
@@ -0,0 +1,7 @@
+{
+  "team": "codex_gpt5.4",
+  "run_id": "run_001",
+  "model_name": "medel",
+  "model_type": "llm",
+  "submitter": "codex_gpt5.4"
+}
\ No newline at end of file
diff --git a/submissions/inbox/gpt5.4/run_01/predictions.csv.enc b/submissions/inbox/gpt5.4/run_01/predictions.csv.enc
new file mode 100644
index 0000000..72d72a6
Binary files /dev/null and b/submissions/inbox/gpt5.4/run_01/predictions.csv.enc differ