diff --git a/_data/signed/denis-256.yaml b/_data/signed/denis-256.yaml
new file mode 100644
index 00000000..2ede8cf4
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+++ b/_data/signed/denis-256.yaml
@@ -0,0 +1,2 @@
+name: Denis Ivanov (Denis's Formal Systems S.R.L.)
+link: https://github.com/denis-256