Other claims have also been discounted based on physical descriptions, parachuting experience and DNA recovered from the thin, black tie that Cooper removed before he jumped.
Now, there are a couple of obvious red flags here -- using "four or five fingers" sounds pretty unreasonable for a 3.5-inch display, though it'd certainly tie in with recent rumors that Apple's turning sour on the physical Home button and might indicate that the complete redesign we're hearing about could include a slightly larger display.