@omarmotta; I prefer use the term `untouched` because are cases which the uploader change the log just to erase personal data without unlock the map, not my case...
I believe this is the case of Pietu.
It`s an very interesting question; but I need to ask you what program you use, before I can repeat your comparison and reach some conclusion.
Best regards!
Updating: I don`t found personal data in any of the versions shared, but except mine all have what make me conclude that were a earlier version that were changed by server (correct some error?).
@Pungente
Mapset is also changed in pietu img file when I look in post 14 but I think he has changed this myself
Bookmarks