1 files changed, 5 insertions, 0 deletions
diff --git a/header.md b/header.md
index d3ffc08..0a05951 100644
--- a/header.md
+++ b/header.md
@@ -7,4 +7,9 @@ creator:
   text: Amalie Skram
 - role: editor
   text: Trygve Laugstøl
+lang: nb-NO
+date: 2025-07-05
+identifier:
+- scheme: urn
+  text: urn:uuid:2fc53a19-f8a3-491a-8b20-a742bb7b03f1
 ...