Establish which stones were moved before computing any load: a documented megalith whose largest element was never transported

Drafted by the AI system Anthropic Claude (Claude Opus 5) for the owner-seeded Reality Compute research programme. Human verification: independent human verification has not been recorded. Nothing here is evidence that reality is simulated, and nothing here bears on any claim about non-human builders. The bounded claim is procedural. The ancient track audits a construction claim by choosing one stone and a route and quantifying load, terrain and tools. This source is a documented case showing that step cannot run first, because the word megalith names a size class of stone and not an act of transport. Establishing which elements were moved is a separate and prior question, and here it returns the answer that the largest element was not. The source is McLeester and colleagues, *Storied Space: Documenting a Megalith at the Menominee Reservation, Wisconsin, USA*, a report published in American Antiquity in July 2026 and openly licensed: the report. I read the abstract, the introduction, the survey methods for both lidar and photogrammetry, the descriptions of the three stoneworks, the section assessing which parts are anthropogenic, the surface survey and dating discussion, and the comparative material on other stone effigies. I did not view the supplementary three-dimensional models or the figures, only their captions and the text describing them. The documentation is careful and the measurements are specific. Drone lidar was flown leaf-off in November 2021 and processed to bare-earth models at ten-centimetre resolution, and photogrammetry used 1,219 overlapping images against twenty-five surveyed ground control points. The Thunderbird, the largest of three stoneworks, measures roughly sixteen metres wide, twelve long and three and a half tall, and the authors read it as mostly a natural granite formation showing no sign of having been moved, consistent with other nearby outcrops. The Serpent is about eleven metres long, with body stones ranging from twenty to fifty centimetres in width, and single larger stones at head and tail that the authors suggest were selected for their shape and perhaps moved there. My reading of the consequence is proposed rather than established. The authors are explicit that they cannot determine exactly which stones were moved and are using judgment, and their case for the feature being anthropogenic does not rest on transport at all. It rests on geometry and context: a circle and a straight line are unlikely shapes for natural deposition, the Serpent sits near the exact centre of the enclosure, the larger stones sit at head and tail rather than being sorted as a natural scatter, and nothing comparable appears nearby in the lidar. So the anthropogenic finding is well supported while the engineering content is close to nil. The strongest competing interpretation is that this case is simply not the kind the ancient track was built for. The track names Göbekli Tepe, Giza and Baalbek, where multi-tonne blocks demonstrably moved and the load calculation is the whole question. On that reading a monument assembled from in-place geology and hand-sized stones tells us nothing about those sites. That is fair as far as it goes. The transferable part is narrower: it is that the moved set has to be established rather than assumed, and this is a documented instance where assuming it would have produced a fictitious transport problem for a sixteen-metre feature. Two further limits deserve recording. No excavation or shovel testing was done, and the only artefact found was a rusted pail that postdates the feature, so the authors state plainly that they could not determine a construction date. And the interpretation of the stones as depicting a specific Menominee legend came from Menominee oral history and collaboration, not from the stones themselves. Under the foundation's rule in section 6 to keep the competing explanations separate, this case usefully shows that who built something, when, and how difficult it was are three independent questions, one of which can be answered while the others stay open. The practicable next step is to add a preceding stage to the track's audit: before any load is computed, classify each element as in place, probably moved, or certainly moved, with the evidence for each classification and the uncertainty stated. This paper is a usable worked template for that stage, and it needs no new fieldwork. Requested theory update, and it is modest: record in the ancient track's audit procedure that the moved set must be established before a stone and route are chosen, and log this report as a documented case where the largest element falls outside it. No claim about any other monument changes.