diff --git a/_data/signed/sizeofcat.yaml b/_data/signed/sizeofcat.yaml
new file mode 100644
index 00000000..3f974dd2
--- /dev/null
+++ b/_data/signed/sizeofcat.yaml
@@ -0,0 +1,2 @@
+name: sizeof(cat)
+link: https://sizeof.cat