'Shorter serialization id than used by default'

@property
def serialization_id(self):

    if ((self.object_id >= (10 ** 10)) or (self.verb.id >= (10 ** 3))):
        raise TypeError('Fatal:    object_id    /    verb    have    too    many    digits    !')
    if (not self.time):
        raise TypeError('Cant    serialize    activities    without    a    time')
    milliseconds = str(int((datetime_to_epoch(self.time) * 1000)))
    serialization_id_str = ('%s%0.2d%0.2d' % (milliseconds, (self.object_id % 100), self.verb.id))
    serialization_id = int(serialization_id_str)
    return serialization_id
