diff --git a/sources b/sources
index e69de29..c95d10f 100644
--- a/sources
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (EGO-23.tar.gz) = 2a933c698708d13df5c0475170b5656a5ef042f21618ba71a45b7c3da48e5b2d3706af41be35e381f8981e9cc21370fc1fcbc92f63aabc5007140adee27b9ee7