Benji York wrote: > NUM_ID_BITS = 64 > BIGGEST_ID = (2 << (NUM_ID_BITS + 1) - 1) > NUM_TIME_BITS = 48 > BIGGEST_TIME = (2 << (NUM_TIME_BITS + 1) - 1) I should have known better than posing code I wrote in 3 minutes. The 2s above should be 1s. -- Benji York Sr. Software Engineer Zope Corporation