Pōtiki signed Te Tiriti at Queen Charlotte Sound on 5 May 1840. The identity of this signatory is uncertain. It could be Wiremu Pōtiki, a rangatira of Ngāi Tahu and Waitaha. Alternatively, it could be Pūtiki, a Te Āti Awa rangatira.
Many of the signatories on Te Tiriti were known by several names, or their names were written down with unusual spelling, which can make identifying them difficult