Forum Moderators: open
Y!J/1.0 (http://help.yahoo.co.jp/help/jp/search/indexing/indexing-15.html)
and
Mozilla/4.0 (compatible; Y!J; for robot study; keyoshid)
Both of them used the same IP Address as the one keyplyr posted. Both read and respected robots.txt. Both bots took the same pages at exactly the same time and date.