Stamps are not exported in the correct format

Behavior:
If you export a document with the Platform .NET API, which has a stamp with a date on it, the format of the date will always be in US.

Solution:
To have another format then the default US-format, you'll need to add a "CookieContainer" to the login method.
In there you can then save a cookie called "DWFormatCulture" which can have for example "de". This would make the stamp be exported in the German format.

Code-sample for the login with an HttpClientHandler:

WebRequestHandler clientHandler = new WebRequestHandler()
{
CookieContainer = new System.Net.CookieContainer(),
AutomaticDecompression = System.Net.DecompressionMethods.GZip,
AllowAutoRedirect = true,
UseCookies = true,
};

clientHandler.CookieContainer.Add(new Cookie("DWFormatCulture", "en", "/", "bergner"));
clientHandler.CookieContainer.Add(new Cookie("DWLanguage", "en", "/", "bergner"));

conn = ServiceConnection.Create(new Uri("http://localhost/docuware/platform"), user, password, Org, httpClientHandler: clientHandler);