The term ground-effect machine is identified in base64 scheme by the sequence Z3JvdW5kLWVmZmVjdCBtYWNoaW5l, while the MD5 signature is equal to 67ad38be9aaa278f6fae3bf99bc00235. The ASCII encoding of ground-effect machine in hexadecimal notation is 67726f756e642d656666656374206d616368696e65.