diff --git a/swh-core_2.15.0.orig.tar.gz.delta b/swh-core_2.15.0.orig.tar.gz.delta
new file mode 100644
index 0000000..cea278b
Binary files /dev/null and b/swh-core_2.15.0.orig.tar.gz.delta differ
diff --git a/swh-core_2.15.0.orig.tar.gz.id b/swh-core_2.15.0.orig.tar.gz.id
new file mode 100644
index 0000000..133778f
--- /dev/null
+++ b/swh-core_2.15.0.orig.tar.gz.id
@@ -0,0 +1 @@
+7ae05a816d41a71c2fdadeba6eca00232a315cba