In addition, according to one embodiment, the comparator 515 of the authentication engine 215 may advantageously compare conventional hashes of documents in {HEAD ~ order} to render {TAIL ~ a comparison} result 
to render
In addition , according to one embodiment , the comparator 515 of the authentication engine 215 may advantageously compare conventional hashes of documents in { HEAD ~ order } to render { TAIL ~ a comparison } result
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH