The term photogelatin process is identified in base64 scheme by the sequence cGhvdG9nZWxhdGluIHByb2Nlc3M=, while the MD5 signature is equal to 1e5c5ca85f50db41d2396b59a9d760cc. The ASCII encoding of photogelatin process in hexadecimal notation is 70686f746f67656c6174696e2070726f63657373.