def initUpload(self, upload):
        upload['chunkUuid'] = uuid.uuid4().hex
        upload['sha512state'] = hash_state.serializeHex(sha512())
        return upload
Creates a UUID that will be used to uniquely link each chunk to
dataset/ETHPy150Open girder/girder/girder/utility/gridfs_assetstore_adapter.py/GridFsAssetstoreAdapter.initUpload