diff --git a/package/opencv/opencv.hash b/package/opencv/opencv.hash
new file mode 100644
index 0000000000..0ebe45054b
--- /dev/null
+++ b/package/opencv/opencv.hash
@@ -0,0 +1,2 @@
+# Locally calculated
+sha256 a4cbcd2d470860b0cf1f8faf504619c18a8ac38fd414c5a88ed3e94c963aa750  opencv-2.4.12.3.tar.gz