diff --git a/gds/caravel_00020027.oas b/gds/caravel_00020027.oas
new file mode 100644
index 0000000..7796d3d
--- /dev/null
+++ b/gds/caravel_00020027.oas
Binary files differ
diff --git a/signoff/make_final_oas b/signoff/make_final_oas
new file mode 100644
index 0000000..8db3f0a
--- /dev/null
+++ b/signoff/make_final_oas
@@ -0,0 +1 @@
+f43d467bf7f432cc711077414a5c90505c2b04e0  ./gds/caravel_00020027.oas