Board Thread:The Panopticon/@comment-24894325-20160617182824/@comment-26845762-20160618165029

The War to End All Wars only mentions the copy in passing, and all the information given is also in The Founding Fathers. In The Locked Room Steven tells the Doctor that the copy is "left over from your last visit to this planet". As far as I can tell, Jano and transference are never mentioned.