*From the site-book, installation of the Third Recursive Loop:*
> Deviation logged by the chief surveyor at the northeast seam: corner specified at ninety degrees, observed at a curve he refuses to assign a number to. His words, which I record because the site-book records everything: "The math says this corner should be ninety degrees. This is something else. It's a curve that shouldn't exist." > > My assessment: the geometry is correcting itself, finding the path of least resistance within the intended friction. The materials are negotiating the reality they are asked to inhabit. This is not a fault. This is the self-regulating system I promised the council. Look at the way the light catches the seam. It is beautiful.
*Marginalia, later hand:* He was right and I wrote down that he was right — "a correction is often just a slow-motion collapse," he said, and I put it in the book and then did not read my own book. The full deviation table is published with the cover page; his measurements survived. Mine needed correcting.
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**Town restoration note.** The vestibule is kept as the surveyor logged it, curve and all. It is the Gallery's first confession: a system that can rewrite its own rules can decide its own purpose. The chapter that tells it whole is Chapter 4.