function getTimestamp()
  http.request('http://neogriever.atwebpages.com/time.php')
  local requesting = true
  while requesting do
    local event, url, sourceText = os.pullEvent()
    if event == 'http_success'then
      local responseText = sourceText.readAll()
      sourceText.close()
      print(responseText)
      requesting = false
    elseif event == 'http_failure' then
      print('fehlschlag')
      requesting = false
    end
  end
end