A Phenomenological Framework for Reduced Medium Interaction Part III — Non-Persistent Technological Assistance and Civilizational Discontinuities

This work constitutes the third paper in a phenomenological trilogy exploring the limits of technological continuity in archaeological contexts under strict physical and material constraints. Building on two prior analyses—(i) a reduced medium interaction (RMI) framework describing regimes of suppressed classical dissipation, and (ii) a constraint-based study of high-precision granite machining—this paper introduces a restricted model of non-persistent technological assistance. The framework examines whether certain high-precision material outcomes could, in principle, arise from transient modifications of interaction conditions without transferring reproducible technological capacity to the human societies involved. The model deliberately avoids speculative narratives, external agents, or claims of lost civilizations. Instead, it reframes technology as a transient environmental state rather than a transferable artifact set, and it applies only to narrowly defined cases satisfying explicit material, geometric, logistical, and entropic criteria. A key contribution of the paper is the formulation of weak but falsifiable physical predictions in the form of low-entropy material signatures. To this end, a laboratory-facing validation protocol is proposed, outlining how solid-state analysis, microfracture statistics, and surface metrology could be used by independent teams to constrain or refute the framework. The paper is descriptive, non-mechanistic, and non-narrative. Its scientific value lies not in explanatory breadth, but in its ability to organize anomalous absences and discontinuities into a coherent, testable phenomenological structure grounded in classical physics under constrained conditions.