User blog comment:Western Gen/Speculations for Season 14/@comment-151.188.105.156-20160309160924/@comment-25186410-20160320200900

Well, Charon didn't claim any of the fragments. Epsilon has them, but they are only memories of the fragments.

Also, Cortana is based off of a living person - her name is Catherine Halsey. She was created on the Planet Reach after there was a desperation for A.I.'s to get to the Master Chief. The reason she has lived this long with so much information was possibly for that reason - being made from living human tissue.