{
  "n_total": 56,
  "n_modern": 43,
  "n_early": 8,
  "n_late": 28,
  "n_other": 7,
  "window_modern": [
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    2026
  ],
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    "wmean": 67.72,
    "wse": 0.244,
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      "slope_per_yr": 0.013,
      "p": 0.703,
      "r2": 0.026,
      "n": 8,
      "ci95": [
        -0.068,
        0.094
      ]
    },
    "err_trend": {
      "slope_per_yr": 0.501,
      "p": 0.161,
      "r2": 0.299,
      "n": 8,
      "ci95": [
        -0.266,
        1.267
      ]
    },
    "med_err": 0.83,
    "range": [
      67.3,
      68.3
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  },
  "late": {
    "wmean": 72.47,
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      "slope_per_yr": -0.165,
      "p": 0.301,
      "r2": 0.041,
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      "ci95": [
        -0.485,
        0.156
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    },
    "err_trend": {
      "slope_per_yr": 0.047,
      "p": 0.597,
      "r2": 0.011,
      "n": 28,
      "ci95": [
        -0.133,
        0.226
      ]
    },
    "med_err": 1.97,
    "range": [
      66.6,
      76.8
    ]
  },
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    "wmean": 71.77,
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  "gap": {
    "value": 4.75,
    "se_naive": 0.4,
    "sigma_naive": 11.9,
    "boot_ci95": [
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      5.66
    ],
    "boot_excludes_zero": true,
    "literature_sigma": "\u22485\u03c3 (SH0ES vs Planck, correlation-aware)"
  },
  "precision_by_era_median_err": {
    "1990s": 7.0,
    "2000s": 3.83,
    "2013+": 1.94
  },
  "historic": {
    "lemaitre_1927": 625,
    "hubble_1929": 500,
    "n_pre1990": 3,
    "pre1990_range": [
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      625.0
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}