diff --git a/_data/signed/sqrtminusone.yaml b/_data/signed/sqrtminusone.yaml
new file mode 100644
index 00000000..15f28fee
--- /dev/null
+++ b/_data/signed/sqrtminusone.yaml
@@ -0,0 +1,2 @@
+name: Pavel Korytov
+link: https://github.com/SqrtMinusOne