Of course, this was not in itself a discovery. Even at that time Winston had not imagined that the people who were wiped out in the purges had actually committed the crimes that they were accused of. But this was concrete evidence; it was a fragment of the abolished past, like a fossil bone which turns up in the wrong stratum and destroys a geological theory. It was enough to blow the Party to atoms, if in some way it could have been published to the world and its significance made known.