hasher
n.— «Viacom is employing a company called BayTSP to search video sharing sites for infringing content. BayTSP employs around 20 video analysts that are sometimes referred to as “hashers” to search the Web for copyrighted content.» —“Private Eyes Search YouTube” by Mike Sachoff WebProNews Aug. 9, 2007. (source: Double-Tongued Dictionary)