diff --git a/.gitignore b/.gitignore
index e69de29..844e417 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/annobin-12.09.tar.xz
diff --git a/sources b/sources
new file mode 100644
index 0000000..d3b726d
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (annobin-12.09.tar.xz) = 1805cd960ea34789dc309d767ea5d96cfb83257dd1df60d4ef5797792a86558cbbd1ffa5c08d792ead435afb056db1f3d7303785cbadf6d4c7e9b3a76c200098