diff --git a/a5/620a9d7db2f4fa464db0aaadb98c8d6087e231 b/a5/620a9d7db2f4fa464db0aaadb98c8d6087e231
new file mode 100644
index 00000000..4ddaeed8
--- /dev/null
+++ b/a5/620a9d7db2f4fa464db0aaadb98c8d6087e231
@@ -0,0 +1,21 @@
+etc/package.json
+  s_b989805ae95d6a::t_c015af94614a7f 3
+pyproject.toml
+  s_b989805ae95d6a::t_c015af94614a7f 3
+---
+{
+  "schema_version": "authorship/3.0.0",
+  "git_ai_version": "1.5.2",
+  "base_commit_sha": "a5620a9d7db2f4fa464db0aaadb98c8d6087e231",
+  "prompts": {},
+  "sessions": {
+    "s_b989805ae95d6a": {
+      "agent_id": {
+        "tool": "codex",
+        "id": "019e1fa8-ca6f-7ef3-af88-ea8dba9078db",
+        "model": "gpt-5.5"
+      },
+      "human_author": "Nick Sweeting <git@sweeting.me>"
+    }
+  }
+}
\ No newline at end of file