We hypothesize that the arrangement of three figure-eight knots at the start of these khipu represented the place identifier, or toponym, Puruchuco,

We suggest that any khipu moving within the state administrative system bearing an initial arrangement of three figure-eight knots would have been immediately recognizable to Inca administrators as an account pertaining to the palace of Puruchuco.

We know a great deal of the bureaucracy was occupied in overseeing tribute labor for the state, so I suspect a large percentage of the quipu had to do with labor.

We think those may be the narrative ones,

For the first time, really, we can see how information that was of interest to the state was moving up and down in a set of interrelated khipu.

A planar geometrical figure with more than three vertices can be decomposed into a set of triangles, and it can be reconstructed from a set of triangles.