{
  "schema": "connectedness-atlas/datasets/v1",
  "updated": "2026-09-19",
  "items": [
    {
      "id": "dd-lab-43173",
      "title": "Detailed DD sector survey",
      "url": "https://complextrees.com/4D/lab/data/index.json",
      "format": "37 ordered UTF-8 fragments; concatenate in manifest order before parsing",
      "bytes": 5913659,
      "sha256": "5d833a368c0a43405d512ecd0e5a7a53cddd19a019142b9ed9f6f05e94a64af9",
      "rays": 43173,
      "orientation": "DD",
      "weights": {
        "minimum": 0.35,
        "maximum": 0.65,
        "count": 13
      },
      "angles": {
        "alpha": [
          0,
          1.5707963267948966
        ],
        "gamma": [
          0,
          3.141592653589793
        ],
        "units": "radians",
        "shape": [
          41,
          81
        ]
      },
      "searchDepths": [
        9,
        10
      ],
      "scope": "The stored sector only. Reflected display copies are not additional observations or a full-angle symmetry theorem at unequal weight.",
      "display": "Angular cosine interpolation and a cubic spline in weight are display operations; the original raw grid and source bytes remain unchanged.",
      "evidence": "Finite radial survival and exclusion records, including detected bands and cross-depth differences."
    },
    {
      "id": "dd-full-angle-20260918",
      "title": "Live atlas DD full-angle survey",
      "url": "https://complextrees.com/4D/atlas/data/live-survey.json",
      "format": "JSON with numeric arrays and per-ray flags",
      "bytes": 3351732,
      "sha256": "194be7332c3f339d648954d92feaf137852f196c30f4267fc75476839079712c",
      "orientation": "DD",
      "weight": 0.5,
      "angles": {
        "alpha": [
          0,
          6.283185307179586
        ],
        "gamma": [
          0,
          6.283185307179586
        ],
        "includesPeriodicEndpoints": true
      },
      "shape": [
        129,
        257
      ],
      "radialTailDepth": 18,
      "radialNodeCap": 12000,
      "scope": "Outermost detected finite survival sheet in [2 sqrt(w²+(1−w)²), 2]. Detected re-entry bands are retained; narrow bands may be missed. No radial monotonicity or limiting connectedness is asserted.",
      "color": "hue = fract(10 × selected finite base-4 pair-address fraction); RGB is formed before interpolation",
      "evidence": "Finite numerical survey; not certified. Per-ray actual colour depths and flags are retained."
    },
    {
      "id": "six-specimen-reference",
      "title": "Six-specimen reference study",
      "url": "https://complextrees.com/4D/atlas/data/study.json",
      "assetChecksums": "https://complextrees.com/4D/atlas/data/assets-sha256.json",
      "orientation": "DD",
      "weight": 0.5,
      "attractorDepth": 22,
      "scope": "A preserved reference study of six parameter values, distinct from freely moved live locators.",
      "evidence": "Finite addressed centres, hulls and lattice cross-correlation density with retained word multiplicities."
    }
  ]
}