{
  "matrix_unitary_eigenvalues": [
    [
      1,
      0
    ],
    [
      0,
      1
    ],
    [
      -1,
      0
    ]
  ],
  "selected_centre": [
    1,
    0
  ],
  "delta": 0.25,
  "epsilon": 1.2,
  "cut_square": [
    [
      0.75,
      -0.25
    ],
    [
      1.25,
      0.25
    ]
  ],
  "localization_bound": 0.5,
  "commutator_bound": 1,
  "central_assembly": "schematic finite arbitrary-M blocks, not a spectral measure",
  "sources": [
    "L34-scope-completion-supplement.md Section 1",
    "minimal-CF-Hilbert-provider.md Sections 1–8"
  ],
  "external_artwork": false,
  "blender": "Not useful for this planar exact construction."
}