The Shape of Things to Come From Battlestar Galactica, Composed by Bear McCreary. My performance is a bit sloppy here and there but I didn't want to do it over again ;)

When you're requesting pages (such as transcripts, DASH, etc.) through Dartmouth Banner, you slowly accumulate cookies. But only one of them is actually used to verify who you are: the SESSID one. It's a base64 encoding of what appears to be 6 random alphanumerics, followed by your PIDM, the Banner specific code...