diff --git a/gds/caravel_00020020.oas b/gds/caravel_00020020.oas
new file mode 100644
index 0000000..cc9a6f7
--- /dev/null
+++ b/gds/caravel_00020020.oas
Binary files differ
diff --git a/signoff/make_final_oas b/signoff/make_final_oas
new file mode 100644
index 0000000..12b2504
--- /dev/null
+++ b/signoff/make_final_oas
@@ -0,0 +1 @@
+6dc7d8b317af87de25a895d38430ad76b84b25b3  ./gds/caravel_00020020.oas