The term force per unit area is identified in base64 scheme by the sequence Zm9yY2UgcGVyIHVuaXQgYXJlYQ==, while the MD5 signature is equal to af82d78888b5a75837f6788eb31e3af7. The ASCII encoding of force per unit area in hexadecimal notation is 666f7263652070657220756e69742061726561.