diff --git a/12/4ffb888bf3a832e212c5b335599643010f4ecc b/12/4ffb888bf3a832e212c5b335599643010f4ecc
new file mode 100644
index 00000000..47007834
--- /dev/null
+++ b/12/4ffb888bf3a832e212c5b335599643010f4ecc
@@ -0,0 +1,20 @@
+archivebox/tests/test_opencode_browser.py
+  s_80d4bd2d930f75::t_3882c60645babc 63-66,69
+  s_80d4bd2d930f75::t_e21007fa75a18b 57-58
+---
+{
+  "schema_version": "authorship/3.0.0",
+  "git_ai_version": "1.7.0",
+  "base_commit_sha": "124ffb888bf3a832e212c5b335599643010f4ecc",
+  "prompts": {},
+  "sessions": {
+    "s_80d4bd2d930f75": {
+      "agent_id": {
+        "tool": "codex",
+        "id": "01a05e81-8ef7-7ee1-b52f-f712a0d60079",
+        "model": "gpt-5.6-sol"
+      },
+      "human_author": "Nick Sweeting <git@sweeting.me>"
+    }
+  }
+}
\ No newline at end of file