diff --git a/swh-core_2.11.orig.tar.gz.delta b/swh-core_2.11.orig.tar.gz.delta
new file mode 100644
index 0000000..460bceb
Binary files /dev/null and b/swh-core_2.11.orig.tar.gz.delta differ
diff --git a/swh-core_2.11.orig.tar.gz.id b/swh-core_2.11.orig.tar.gz.id
new file mode 100644
index 0000000..8f7c500
--- /dev/null
+++ b/swh-core_2.11.orig.tar.gz.id
@@ -0,0 +1 @@
+3b145f41945f24208393cef20dee716c13c68cf4