The term pigeon droppings is identified in base64 scheme by the sequence cGlnZW9uIGRyb3BwaW5ncw==, while the MD5 signature is equal to d716f462ce386ec2f207dbeb91bafe17. The ASCII encoding of pigeon droppings in hexadecimal notation is 706967656f6e2064726f7070696e6773.