The term modulus of rigidity is identified in base64 scheme by the sequence bW9kdWx1cyBvZiByaWdpZGl0eQ==, while the MD5 signature is equal to a252034982189fb43baef6cd8fd970ed. The ASCII encoding of modulus of rigidity in hexadecimal notation is 6d6f64756c7573206f66207269676964697479.