The document Twenty 2 Pdf UPD (or "Twenty Two Update") could represent an updated set of schematics or research papers attributed to Von Gotha. If real, these might have outlined technologies such as:
Let me start by checking if there's any real historical figure named Erich Von Gotha. A quick search shows that there are a few Erich Gotha-related names in fictional contexts. For example, "Erich von Daniken" is a known author, but not Gotha specifically. Maybe this is a mix-up. Alternatively, perhaps it's a reference to a lesser-known historical figure. But I can't find any credible sources on "Erich Von Gotha." Erich Von Gotha Twenty 2 Pdf UPD