With electronic generated documents, they are very hard to prove authenticity, as it can be printed with MS Word for example, the best way it to obtain confirmation is from the source. As for your question, it can not prove authenticity but will give you a reason to be suspicious and to obtain confirmation from the source. This is the only way you can find out.
That is why some organisations to proceed with their process they ask your authority so they can obtain the document directly from the source, best example when someone applies for a job, a criminal check is performed by the company, it will not accept a criminal check even if you provide it them and it is recent.