SPN-1 — Spatial Public Nodes: Practical relevance of Emergent Civic Fields and Linked Nodes of Place for AR, edge AI, and humane spatial infrastructure

Abstract SPN-1 defines the practical spatial relevance of the Ambient Era Canon under conditions of widespread AR surfaces, edge AI, smart glasses, and distributed chromagent systems. As semantic computation leaves the slab and becomes environmental, places can no longer be treated as passive coordinates, geofenced triggers, or static smart-city assets. They become temporary semantic layers shaped by repeated local use, reversible residue, linked payload, and shared field density. Building on ECF-1 — Emergent Civic Fields and LNP-1 — Linked Nodes of Place, this paper argues that the next spatial layer should not be modeled as more surveillance, more persistent overlays, or more platform-mediated location…