{
  "projectId": "no-three-line-n75",
  "pointCount": 148,
  "gridSize": 75,
  "sha256": "698e21de0412ee9d3b2bc7c07f7bee93d45d7a265f08f51f7817f38fd936dc78",
  "source": "https://wwwhomes.uni-bielefeld.de/achim/no3in/readme.html",
  "originalDiscoverer": "Marijn Heule",
  "originalGridSize": 76,
  "construction": "Crop of the public n=76 configuration to coordinates 0..74 in both axes.",
  "newDiscovery": false,
  "verifiedOn": "2026-09-27",
  "checks": {
    "distinctIntegerPoints": true,
    "gridBounds": true,
    "allTripletDeterminants": {
      "collinearTriples": 0
    },
    "normalizedDirections": {
      "valid": true
    }
  },
  "note": "148 is a known public baseline, not a claimed solution to the 150-point challenge. Hash covers the exact JSON witness bytes."
}