Ray Saintonge wrote:
When at Wikisources [[Pi to 1,000,000 places]] an anonymous user changes the first 10 digits of line 14320 from "0628419546" to "1516171819" how is anyone possible able to know which is correct? :-) :'(
The obvious thing to do would be to revert it. The chances that the anonymous user knew pi to 1,000,000 decimal places and noticed the error are pretty small. The regularity of the sequence "1516171819" should be a giveaway, just like the sequence inserted in the same edit on the previous line "1234567890".
That said, a google search turned up a site apparently made for precisely this problem:
http://www.angio.net/pi/bigpi.cgi?UsrQuery=6014280388
Not that it matters, you only need tens of digits to solve any conceivable physical problem. What a waste of disk space.
-- Tim Starling