The term gravitational field is identified in base64 scheme by the sequence Z3Jhdml0YXRpb25hbCBmaWVsZA==, while the MD5 signature is equal to b9f0814ac2f349ea2b3c03ca6092ebc9. The ASCII encoding of gravitational field in hexadecimal notation is 6772617669746174696f6e616c206669656c64.