Respectfully, this should put this entire signature thing to rest. The NI 43-101 was done by a Geologist, John Nebocat (P.Eng.), the professional and qualified Geologist who is very qualified as indicated below: http://www.southridgeminerals.com/SouthridgePDF/Cinco-Minas-43-101.pdf
So in short, anything that was released by Tumi Resources Limited, such as that NI 43-101 that you are inquiring about, should be considered approved and signed by him, the Geologist, John Nebocat (P.Eng.).