The term columbia university is identified in base64 scheme by the sequence Y29sdW1iaWEgdW5pdmVyc2l0eQ==, while the MD5 signature is equal to dc1b6aca2bcfa10d92bea78f5744c907. The ASCII encoding of columbia university in hexadecimal notation is 636f6c756d62696120756e6976657273697479.