The term piezoelectric crystal is identified in base64 scheme by the sequence cGllem9lbGVjdHJpYyBjcnlzdGFs, while the MD5 signature is equal to e386f5adb7b47f6dc6dccc1a5be8f52b. The ASCII encoding of piezoelectric crystal in hexadecimal notation is 7069657a6f656c656374726963206372797374616c.