{"lat":51.5,"lon":-0.12,"level":7,"order":"[lat, lon] degrees","founding":{"addr":"F0\u00b71230100"},"now":{"tick":"2026-09-14T19:59:05","addr":"F0\u00b71230100","note":"the newest chained frame; ticks chain about three hours behind the clock, so this tick trails it \u2014 the address is the same unless the mesh's drift carried the place across an edge"},"addr":"F0\u00b71230100","url_form":"F0.1230100","leasable":true,"note":"the mesh is pinned to the magnetic dip poles and drifts with them, so a place's address can change between frames: 'now' is the newest chained frame, 'founding' the monument of 2026-08-12T18:00Z; /api/ground?addr= reads the ground under an address at either"}