diff --git a/content/blog/2020-06-17--opsv.md b/content/blog/2020-06-17--opsv.md
index 359823e..534e363 100644
--- a/content/blog/2020-06-17--opsv.md
+++ b/content/blog/2020-06-17--opsv.md
@@ -4,6 +4,8 @@ author: Yarmo Mackenbach
 slug: opsv
 date: "2020-06-17 11:51:39"
 published: true
+discussion:
+  - https://tildes.net/~comp/puq/opsv_open_pgp_signature_verification
 ---
 
 # Introduction to OPSV