diff --git a/docs/emails/cryptography/12.md b/docs/emails/cryptography/12.md
index b8e81f1..b21b8ce 100644
--- a/docs/emails/cryptography/12.md
+++ b/docs/emails/cryptography/12.md
@@ -4,6 +4,7 @@ title: Bitcoin P2P e-cash paper
 grand_parent: Emails
 parent: Cryptography Mailing List
 nav_order: 12
+date: 2008-11-14 18:55:35 UTC
 ---
 
 # Bitcoin P2P e-cash paper