diff --git a/documentation/IDTA-01005/modules/ROOT/pages/index.adoc b/documentation/IDTA-01005/modules/ROOT/pages/index.adoc
index 5a21ef7..4d7a838 100644
--- a/documentation/IDTA-01005/modules/ROOT/pages/index.adoc
+++ b/documentation/IDTA-01005/modules/ROOT/pages/index.adoc
@@ -18,6 +18,8 @@ Publisher: Industrial Digital Twin Association e.V. (IDTA)
 
 IDTA Document Number: IDTA-01005-3-1
 
+DOI: https://doi.org/10.62628/IDTA.01005-3-1
+
 This work is licensed under a
 https://creativecommons.org/licenses/by/4.0/[Creative Commons Attribution 4.0 International License].