@xtraelv
It is something that can easily be manipulated with tools such as Adobe and can even be done directly online on a website.
You can change the date, keywords, and other stuff.
Frankly, coming from this person I wouldn't even be surprised. It wouldn't be the first time.
What is the chance to have 2 white papers about a disrupting technology created exactly at the same date and the same hour?
Statistically, you have more chance to win a nice amount scratching lottery tickets