Words similar to signature

Example sentences for: signature

How can you use “signature” in a sentence? Here are some example sentences to help you improve your vocabulary:

The Italian newspapers were particularly interested in the mystery of "Luciano Porcari," which, according to the Federal Aviation Administration, is the signature on a letter it received in September, warning that a bomb might be placed aboard an airliner departing from either New York or Los Angeles.
"But all he left for posterity in Jerusalem was his signature and the date."
Previous analyses based on a limited number of proteins and signature insertions and deletions had suggested different bacterial groups as closest relatives to cyanobacteria.
Using a public key, anyone can confirm that the signature matches the document.
An interesting question, as yet unanswered, is how long organic material frozen into the surface ice of Europa would retain a biological signature in the strong radiation environment.