The term manganese tetroxide is identified in base64 scheme by the sequence bWFuZ2FuZXNlIHRldHJveGlkZQ==, while the MD5 signature is equal to 0921d11eba33e6b8abe28ead51b1bf40. The ASCII encoding of manganese tetroxide in hexadecimal notation is 6d616e67616e65736520746574726f78696465.