{
  "description": "Seed/probe variance study: 10 pairs \u00d7 5 seeds \u00d7 4 probe architectures",
  "n_pairs": 10,
  "seeds": [
    42,
    123,
    456,
    789,
    1234
  ],
  "probes": [
    "linear",
    "mlp_2",
    "mlp_2_wide",
    "mlp_3"
  ],
  "results": [
    {
      "pair": "clip_vitb16 <-> clip_vitl14",
      "probes": {
        "linear": {
          "tau_mean": 0.7259,
          "tau_std": 0.002,
          "tau_range": [
            0.723,
            0.7281
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.7277,
            0.7245,
            0.7263,
            0.723,
            0.7281
          ]
        },
        "mlp_2": {
          "tau_mean": 0.7083,
          "tau_std": 0.0022,
          "tau_range": [
            0.705,
            0.7112
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.71,
            0.7068,
            0.7086,
            0.705,
            0.7112
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.712,
          "tau_std": 0.0023,
          "tau_range": [
            0.7084,
            0.715
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.7136,
            0.7106,
            0.7122,
            0.7084,
            0.715
          ]
        },
        "mlp_3": {
          "tau_mean": 0.7122,
          "tau_std": 0.0024,
          "tau_range": [
            0.7086,
            0.7159
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.7134,
            0.7109,
            0.7121,
            0.7086,
            0.7159
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "clip_vitb32 <-> clip_vitb16",
      "probes": {
        "linear": {
          "tau_mean": 0.6258,
          "tau_std": 0.0035,
          "tau_range": [
            0.6213,
            0.63
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.6258,
            0.63,
            0.6213,
            0.6292,
            0.6225
          ]
        },
        "mlp_2": {
          "tau_mean": 0.6166,
          "tau_std": 0.0039,
          "tau_range": [
            0.6116,
            0.6218
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.6168,
            0.6218,
            0.6116,
            0.6201,
            0.6129
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.6157,
          "tau_std": 0.0037,
          "tau_range": [
            0.6109,
            0.6205
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.616,
            0.6205,
            0.6109,
            0.619,
            0.6124
          ]
        },
        "mlp_3": {
          "tau_mean": 0.6324,
          "tau_std": 0.0044,
          "tau_range": [
            0.627,
            0.6385
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.6324,
            0.6385,
            0.627,
            0.6358,
            0.6282
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "resnet50 <-> resnet101",
      "probes": {
        "linear": {
          "tau_mean": 0.6357,
          "tau_std": 0.0083,
          "tau_range": [
            0.6257,
            0.6468
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.6468,
            0.6359,
            0.6257,
            0.6273,
            0.6428
          ]
        },
        "mlp_2": {
          "tau_mean": 0.468,
          "tau_std": 0.0046,
          "tau_range": [
            0.4614,
            0.4754
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4754,
            0.4658,
            0.4614,
            0.4679,
            0.4698
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.4854,
          "tau_std": 0.0044,
          "tau_range": [
            0.4797,
            0.4922
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4922,
            0.4828,
            0.4797,
            0.484,
            0.4882
          ]
        },
        "mlp_3": {
          "tau_mean": 0.3741,
          "tau_std": 0.0036,
          "tau_range": [
            0.369,
            0.3781
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.3764,
            0.3706,
            0.369,
            0.3781,
            0.3763
          ]
        }
      },
      "cross_probe_regime_stability": 0.25
    },
    {
      "pair": "convnext_base <-> convnext_large",
      "probes": {
        "linear": {
          "tau_mean": 0.7735,
          "tau_std": 0.0033,
          "tau_range": [
            0.7692,
            0.7789
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.7725,
            0.775,
            0.7718,
            0.7789,
            0.7692
          ]
        },
        "mlp_2": {
          "tau_mean": 0.7358,
          "tau_std": 0.0035,
          "tau_range": [
            0.7316,
            0.742
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.735,
            0.7366,
            0.734,
            0.742,
            0.7316
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.746,
          "tau_std": 0.0034,
          "tau_range": [
            0.7419,
            0.752
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.745,
            0.7469,
            0.744,
            0.752,
            0.7419
          ]
        },
        "mlp_3": {
          "tau_mean": 0.7229,
          "tau_std": 0.0038,
          "tau_range": [
            0.7185,
            0.7298
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.7217,
            0.7235,
            0.7211,
            0.7298,
            0.7185
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "dinov2_vitb14 <-> dinov2_vitl14",
      "probes": {
        "linear": {
          "tau_mean": 0.2392,
          "tau_std": 0.0069,
          "tau_range": [
            0.2336,
            0.2527
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.2378,
            0.2336,
            0.2359,
            0.2527,
            0.2358
          ]
        },
        "mlp_2": {
          "tau_mean": 0.2145,
          "tau_std": 0.0067,
          "tau_range": [
            0.2086,
            0.2275
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.2137,
            0.2086,
            0.2115,
            0.2275,
            0.2113
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.2229,
          "tau_std": 0.0068,
          "tau_range": [
            0.2169,
            0.236
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.2221,
            0.2169,
            0.2198,
            0.236,
            0.2197
          ]
        },
        "mlp_3": {
          "tau_mean": 0.2018,
          "tau_std": 0.0065,
          "tau_range": [
            0.1958,
            0.2144
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.2012,
            0.1958,
            0.1988,
            0.2144,
            0.1987
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "dinov2_vits14 <-> dinov2_vitb14",
      "probes": {
        "linear": {
          "tau_mean": 0.4686,
          "tau_std": 0.0105,
          "tau_range": [
            0.4548,
            0.4812
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4608,
            0.4548,
            0.4812,
            0.4802,
            0.4661
          ]
        },
        "mlp_2": {
          "tau_mean": 0.4476,
          "tau_std": 0.0107,
          "tau_range": [
            0.4334,
            0.4602
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4397,
            0.4334,
            0.4602,
            0.4597,
            0.4451
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.4501,
          "tau_std": 0.0106,
          "tau_range": [
            0.436,
            0.4632
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4426,
            0.436,
            0.4632,
            0.4614,
            0.4471
          ]
        },
        "mlp_3": {
          "tau_mean": 0.4315,
          "tau_std": 0.0105,
          "tau_range": [
            0.4177,
            0.4439
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4231,
            0.4177,
            0.4439,
            0.443,
            0.4297
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "vit_base_patch16_224.mae <-> vit_base_patch16_224",
      "probes": {
        "linear": {
          "tau_mean": 0.1357,
          "tau_std": 0.0077,
          "tau_range": [
            0.1256,
            0.1475
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.1256,
            0.1475,
            0.1376,
            0.1289,
            0.1387
          ]
        },
        "mlp_2": {
          "tau_mean": 0.1263,
          "tau_std": 0.0072,
          "tau_range": [
            0.1176,
            0.1379
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.1176,
            0.1379,
            0.1284,
            0.1199,
            0.1279
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.1253,
          "tau_std": 0.0071,
          "tau_range": [
            0.1168,
            0.1369
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.1168,
            0.1369,
            0.1271,
            0.1189,
            0.1269
          ]
        },
        "mlp_3": {
          "tau_mean": 0.1309,
          "tau_std": 0.0074,
          "tau_range": [
            0.1217,
            0.1426
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.1217,
            0.1426,
            0.1332,
            0.1245,
            0.1325
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "beit_base_patch16_224 <-> resnet50",
      "probes": {
        "linear": {
          "tau_mean": 0.0703,
          "tau_std": 0.0066,
          "tau_range": [
            0.0634,
            0.0812
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.065,
            0.0676,
            0.0812,
            0.0634,
            0.0745
          ]
        },
        "mlp_2": {
          "tau_mean": 0.0613,
          "tau_std": 0.0061,
          "tau_range": [
            0.055,
            0.0714
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0559,
            0.0593,
            0.0714,
            0.055,
            0.0649
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.0622,
          "tau_std": 0.0058,
          "tau_range": [
            0.0561,
            0.0716
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0571,
            0.0604,
            0.0716,
            0.0561,
            0.066
          ]
        },
        "mlp_3": {
          "tau_mean": 0.042,
          "tau_std": 0.0038,
          "tau_range": [
            0.0379,
            0.0481
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0379,
            0.041,
            0.0481,
            0.0384,
            0.0446
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "dinov2_vitb14 <-> clip_vitb16",
      "probes": {
        "linear": {
          "tau_mean": 0.0212,
          "tau_std": 0.0013,
          "tau_range": [
            0.0192,
            0.0234
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0234,
            0.0213,
            0.0192,
            0.0212,
            0.0208
          ]
        },
        "mlp_2": {
          "tau_mean": 0.0191,
          "tau_std": 0.0012,
          "tau_range": [
            0.0174,
            0.0211
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0211,
            0.0191,
            0.0174,
            0.0192,
            0.0188
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.0197,
          "tau_std": 0.0012,
          "tau_range": [
            0.0179,
            0.0218
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0218,
            0.0198,
            0.0179,
            0.0198,
            0.0194
          ]
        },
        "mlp_3": {
          "tau_mean": 0.0185,
          "tau_std": 0.0012,
          "tau_range": [
            0.0169,
            0.0205
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.0205,
            0.0185,
            0.0169,
            0.0186,
            0.0181
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    },
    {
      "pair": "clip_vitb16 <-> resnet50",
      "probes": {
        "linear": {
          "tau_mean": 0.4241,
          "tau_std": 0.0021,
          "tau_range": [
            0.4204,
            0.4267
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.4249,
            0.4246,
            0.4204,
            0.4239,
            0.4267
          ]
        },
        "mlp_2": {
          "tau_mean": 0.3771,
          "tau_std": 0.0024,
          "tau_range": [
            0.3734,
            0.3801
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.3787,
            0.3756,
            0.3734,
            0.378,
            0.3801
          ]
        },
        "mlp_2_wide": {
          "tau_mean": 0.3813,
          "tau_std": 0.0025,
          "tau_range": [
            0.3778,
            0.3849
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.3825,
            0.3795,
            0.3778,
            0.382,
            0.3849
          ]
        },
        "mlp_3": {
          "tau_mean": 0.3384,
          "tau_std": 0.0031,
          "tau_range": [
            0.3336,
            0.3429
          ],
          "regime_stability": 1.0,
          "per_seed": [
            0.3381,
            0.337,
            0.3336,
            0.3404,
            0.3429
          ]
        }
      },
      "cross_probe_regime_stability": 1.0
    }
  ],
  "summary": {
    "median_tau_std_across_seeds": 0.0039,
    "max_tau_std": 0.0107,
    "median_regime_stability_within_probe": 1.0,
    "pairs_with_cross_probe_agreement_ge_75pct": 9,
    "total_pairs": 10
  }
}