N.H. Rev. Stat. Ann. § 5-C:7

Every certificate or other official paper executed by the registrar under seal, in pursuance of authority conferred by law, shall be received as evidence, and may be recorded in the proper recording offices in the same manner and with like effect as a legally acknowledged deed; and copies of papers and records in his or her office, so authenticated, shall be received as evidence with the same effect as the originals.