diff --git a/.gitignore b/.gitignore
index e69de29..380e6c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/jdk-jdk10-jdk-10+46.tar.xz
+/systemtap-tapset-3.6.0pre02.tar.xz
diff --git a/sources b/sources
index e69de29..14b93bd 100644
--- a/sources
+++ b/sources
@@ -0,0 +1,2 @@
+SHA512 (jdk-jdk10-jdk-10+46.tar.xz) = 6412a0cf2cfcce0a6df35f9250964d2b1f9edc110534e905a9add4a036ba6884506f5f5990d1e1d1e2db406180dae8e20097c5cf44a15c7b7b60558b95049359
+SHA512 (systemtap-tapset-3.6.0pre02.tar.xz) = 848f42ef7ca751e723fd50e3a6da14c0965ad4da37ea3331568658e27497b7a7e4b9aad3dedd264ad0bb5566c37a92302b905f10258a4e2c89dc4ba609e55481