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        "pearson_residual": 11.712169941928076
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    ]
  },
  "parameter_classes": {
    "independently_measured": [
      "pulse period 12.5 ns",
      "50 ps histogram bin width"
    ],
    "externally_sourced": [
      "raw coincidence counts",
      "paper pre/post operating conditions"
    ],
    "fitted_to_training_side_peaks": [
      "tau_ps",
      "jitter_sigma_ps",
      "uniform_background_fraction",
      "slow peak-area trend"
    ],
    "fitted_to_training_g2_only": [
      "background_to_signal=0.32",
      "threshold=1.45",
      "detector_noise=0.16"
    ],
    "post_trace_fitted_nuisance": [
      "one exposure scale from noncentral counts only"
    ]
  },
  "interpretation": "Central suppression is reproduced by the frozen scalar candidate almost as well as a free central scale, but the absolute 7000-bin timing kernel fits badly. The scalar lead survives; the full-trace reconstruction fails.",
  "scope_exclusion": "The timing kernel is a deliberately simple lifetime+jitter model and is now a falsified full-trace candidate, not a completed detector/source model."
}