Board Thread:Questions and Answers/@comment-26572409-20150704135123/@comment-25192437-20180802021834

Kvenom wrote: Would make alot of sense, since White was not transfered to Ichigo, Ichigo merely got his own version of the Hollow. Umm... Isshin treats White and Ichigo's Inner Hollow as one-in-the-same in Chapter 536, and Ōetsu Nimaiya outright says that White transferred to Ichigo when he was a baby in Chapter 540. I don't think you can get much more explicit confirmation than that.