I'm writing my resume for an internship and I was wondering if footnotes that cite proof of my achievements are necessary? For instance, I was a finalist in a programming competition last year and the results are posted online. Should I post a footnotes linking it to the site? Or will the review not care enough to read it?
When I look at someone's CV, I don't plan to verify the details. Often, I have a printout and am not close to a computer anyway. I just want to see the information. And the typical vita does not include links or other documentation, it just lists the information.
So, adding footnotes to verify things would make your vita seem unusual, and I suspect it would make the document more cluttered as well. It could also have the unfortunate effect of making a reader wonder why you are trying so hard to give proof - perhaps you are compensating for something else?
If the person reading the vita wants documentation, they will ask for it. Until then, don't worry about it.