{
  "title": "Flat-Space, BMS, and Celestial Holography: structure map",
  "chapter": "Flat-Space, BMS, and Celestial Holography",
  "kind": "structure",
  "schematic": true,
  "not_to_scale": true,
  "stages": [
    "null-infinity states and data",
    "BMS, soft, and dressing sectors",
    "celestial transform and OPE",
    "loop, unitarity, and completeness tests",
    "flat-holography status"
  ],
  "claims": [
    {
      "object": "asymptotic symmetry",
      "required_declaration": "falloffs, charges, and phase space",
      "diagnostic": "soft theorem and memory triangle",
      "licensed_conclusion": "a Ward identity for scattering data",
      "unsupported_promotion": "a complete holographic dual"
    },
    {
      "object": "celestial transform",
      "required_declaration": "basis, contour, and infrared dressing",
      "diagnostic": "inverse transform and covariance",
      "licensed_conclusion": "repackaged S-matrix data",
      "unsupported_promotion": "a standalone local CFT"
    },
    {
      "object": "celestial OPE",
      "required_declaration": "operator basis, loop order, and regulator",
      "diagnostic": "factorization and unitarity checks",
      "licensed_conclusion": "an OPE-like organization in its domain",
      "unsupported_promotion": "nonperturbative completeness"
    }
  ],
  "takeaway": "A flat-space S-matrix, its celestial transform, BMS charges, and a complete celestial dual are distinct layers of a proposed dictionary."
}