diff --git a/gds/caravel_00020028.oas b/gds/caravel_00020028.oas
new file mode 100644
index 0000000..1b1b074
--- /dev/null
+++ b/gds/caravel_00020028.oas
Binary files differ
diff --git a/signoff/make_final_oas b/signoff/make_final_oas
new file mode 100644
index 0000000..11adfd8
--- /dev/null
+++ b/signoff/make_final_oas
@@ -0,0 +1 @@
+266ffe7941f7a558c50b80f9aed1364bbe4f7d64  ./gds/caravel_00020028.oas