diff --git a/sources b/sources
new file mode 100644
index 0000000..d417a06
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (qemu-3.1.0.tar.xz) = 7e8dae823937cfac2f0c60406bd3bdcb89df40313dab2a4bed327d5198f7fcc68ac8b31e44692caa09299cc71256ee0b8c17e4f49f78ada8043d424f5daf82fe