{
  "version": 1,
  "status": "provisional geographic placement",
  "coordinateSpace": "original image pixels",
  "sheet5ToSheet6": null,
  "summary": "43 acquired maps and views; 15 have provisional shared geographic placement. The timeline preserves geographic camera position and zoom across placed editions. Other scans remain browsable in the cabinet. Landmark and community-rectification errors remain; no survey precision is claimed. See georeferencing.json for per-map controls, checks and uncertainty.",
  "attempts": [
    {
      "method": "Luna manual shared-feature inspection",
      "outcome": "No accepted transform or held-out residual; unsupported St Paul pin discarded."
    },
    {
      "method": "Sol independent visual review",
      "outcome": "Shared strip verified between Shoreditch and Tower; no precise controls established."
    },
    {
      "method": "Parent quarter-scale NCC patch search on five distributed shared-strip templates",
      "scores": [0.253278, 0.50831, 0.402575, 0.449366, 0.528051],
      "outcome": "Low correlation scores; no transform accepted. Geographic registration remains unverified."
    }
  ]
}