That is a general question and I'll try to break it down. This is a summary of all that I'm saying.

John Titor = John Ti(me)t(ravel)0 r
0 = the first clone iteration of John
ren = rename coming from the last letter 'r'
1999 = the year I reentered this world-line and stayed.

The pictures of the time machine and the stories were for the purposes of getting exposure on the Art Bell Show so that we could get our messages out.

The time travel badge is real.
Mayan Doomsday Crop Circle | Silbury Hill, Wiltshire
Mayan Motif Crop Circle Formation Returns to Silbury Hill crop circle

I traveled back to 1973 to modify the IBM 5100. I did not take the IBM 5100 into the future. I left it so that it would do its job in the past.

The earth changes have begun with a rapid rise in temperature in October of 2011. Earthquakes, eruptions, a polar shift, floods.

The U.S. Civil War 2 will begin in 2005+8(Gregorian/Julian)=2013.

World War III will start with suicide nukers attacking U.S. and European cities -- then an Israel versus U.S.Islam battle in 2015+8=2023.

Pam is real. Her last name is Hunt.