diff --git a/.index b/.index
index 300f39e..0db44b4 100644
--- a/.index
+++ b/.index
@@ -71,3 +71,4 @@ tagged_example.md
 20251228112004.md
 20251228120351.todo.md
 20251228125329.md
+20251228125746.todo.md
diff --git a/20251228125746.todo.md b/20251228125746.todo.md
new file mode 100644
index 0000000..0c5d1d3
--- /dev/null
+++ b/20251228125746.todo.md
@@ -0,0 +1 @@
+# [ ] Replace Gas Bottle