The term philosopher's stone is identified in base64 scheme by the sequence cGhpbG9zb3BoZXIncyBzdG9uZQ==, while the MD5 signature is equal to f744c6b086b6cc04bb91a3978270357b. The ASCII encoding of philosopher's stone in hexadecimal notation is 7068696c6f736f7068657227732073746f6e65.