Update date_modified when swapping pks
Update date_modified when swapping pks

laurenbarker/SHARE,zamattiac/SHARE,zamattiac/SHARE,laurenbarker/SHARE,CenterForOpenScience/SHARE,zamattiac/SHARE,laurenbarker/SHARE,CenterForOpenScience/SHARE,aaxelb/SHARE,CenterForOpenScience/SHARE,aaxelb/SHARE,aaxelb/SHARE