Version history Note on Document Precedence: This online documentation (HTML) was generated from source files adapted for AsciiDoc and Antora. In the event of any discrepancies or formatting conflicts between versions, the official PDF release shall prevail as the authoritative master document. Refer to IDTA for more information on the Asset Administration Shell. Details on the versions can be found in Changelog. Date Version Changes made 2022-12-05 1.0 Release of the Guideline 2025-06-01 1.1 NEW: Additional workflows and rules for AsciiDoc NEW: SMT Dropins NEW: TemplateId and SemanticId NEW: Marking arbitrary contents Update to reflect V3.0 and V3.1 changes of the Specification of the AAS 2025-06-11 1.1 Release of the Guideline Imprint Publisher Industrial Digital Twin Association Lyoner Strasse 18 60528 Frankfurt am Main Germany https://www.industrialdigitaltwin.org/ June 2025