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I think it is clearly O. hanseni.
add the ID above then.
What extra details would be needed to determine it? Not that I can provide them now (it was only photographed not retained as I don't really 'do' arachnids so have no capacity to maintain a collection).
Ocularium, trident, saddle, color, leg with careneous edges, short legs than many other, large body... Some details are objectives, other subjectives, but all can help.
Lat/Lng: 54.980345, -1.753804
OS grid ref: NZ158651