diff --git a/_data/signed/kosmonaffft.yaml b/_data/signed/kosmonaffft.yaml
new file mode 100644
index 000000000..9f1b932b4
--- /dev/null
+++ b/_data/signed/kosmonaffft.yaml
@@ -0,0 +1,2 @@
+name: Anton V. Kirilchik
+link: https://github.com/kosmonaffft