{
  "description": "Retrieval downstream sanity check (k-NN + R@k) across 20 atlas pairs",
  "n_pairs": 20,
  "results": [
    {
      "pair": "clip_vitb16 <-> clip_vitl14",
      "tau": 0.468,
      "s_global": 0.7183,
      "s_local": 0.291,
      "delta": 0.601,
      "knn_native": 0.7156,
      "knn_stitched": 0.6062,
      "knn_retention": 0.8471,
      "ret_native": {
        "R@1": 0.6648,
        "R@5": 0.8452,
        "R@10": 0.9008
      },
      "ret_stitched": {
        "R@1": 0.528,
        "R@5": 0.7656,
        "R@10": 0.836
      },
      "ret_r10_retention": 0.9281
    },
    {
      "pair": "clip_vitb32 <-> clip_vitb16",
      "tau": 0.744,
      "s_global": 0.7132,
      "s_local": 0.277,
      "delta": 0.014,
      "knn_native": 0.6168,
      "knn_stitched": 0.5392,
      "knn_retention": 0.8742,
      "ret_native": {
        "R@1": 0.5264,
        "R@5": 0.7728,
        "R@10": 0.8464
      },
      "ret_stitched": {
        "R@1": 0.4664,
        "R@5": 0.7144,
        "R@10": 0.7984
      },
      "ret_r10_retention": 0.9433
    },
    {
      "pair": "resnet50 <-> resnet101",
      "tau": 0.5445,
      "s_global": 0.7468,
      "s_local": 0.319,
      "delta": 0.489,
      "knn_native": 0.5916,
      "knn_stitched": 0.5068,
      "knn_retention": 0.8567,
      "ret_native": {
        "R@1": 0.5264,
        "R@5": 0.7772,
        "R@10": 0.8644
      },
      "ret_stitched": {
        "R@1": 0.42,
        "R@5": 0.7068,
        "R@10": 0.8088
      },
      "ret_r10_retention": 0.9357
    },
    {
      "pair": "convnext_base <-> convnext_large",
      "tau": 0.8475,
      "s_global": 0.8469,
      "s_local": 0.569,
      "delta": 0.243,
      "knn_native": 0.7938,
      "knn_stitched": 0.7802,
      "knn_retention": 0.9829,
      "ret_native": {
        "R@1": 0.7496,
        "R@5": 0.8968,
        "R@10": 0.9404
      },
      "ret_stitched": {
        "R@1": 0.7272,
        "R@5": 0.888,
        "R@10": 0.932
      },
      "ret_r10_retention": 0.9911
    },
    {
      "pair": "convnext_base <-> swin_base_patch4_window7_224",
      "tau": 0.7709,
      "s_global": 0.7817,
      "s_local": 0.483,
      "delta": 0.157,
      "knn_native": 0.7754,
      "knn_stitched": 0.7718,
      "knn_retention": 0.9954,
      "ret_native": {
        "R@1": 0.7148,
        "R@5": 0.8832,
        "R@10": 0.9328
      },
      "ret_stitched": {
        "R@1": 0.7216,
        "R@5": 0.8884,
        "R@10": 0.9348
      },
      "ret_r10_retention": 1.0021
    },
    {
      "pair": "dinov2_vitb14 <-> dinov2_vitl14",
      "tau": 0.4073,
      "s_global": 0.6823,
      "s_local": 0.514,
      "delta": 0.363,
      "knn_native": 0.8764,
      "knn_stitched": 0.8202,
      "knn_retention": 0.9359,
      "ret_native": {
        "R@1": 0.844,
        "R@5": 0.9412,
        "R@10": 0.9696
      },
      "ret_stitched": {
        "R@1": 0.7864,
        "R@5": 0.9036,
        "R@10": 0.9448
      },
      "ret_r10_retention": 0.9744
    },
    {
      "pair": "dinov2_vitg14 <-> dinov2_vitl14",
      "tau": 0.5526,
      "s_global": 0.7816,
      "s_local": 0.639,
      "delta": 0.091,
      "knn_native": 0.8764,
      "knn_stitched": 0.8796,
      "knn_retention": 1.0037,
      "ret_native": {
        "R@1": 0.844,
        "R@5": 0.9412,
        "R@10": 0.9696
      },
      "ret_stitched": {
        "R@1": 0.852,
        "R@5": 0.9428,
        "R@10": 0.968
      },
      "ret_r10_retention": 0.9983
    },
    {
      "pair": "dinov2_vits14 <-> dinov2_vitb14",
      "tau": 0.5372,
      "s_global": 0.7086,
      "s_local": 0.461,
      "delta": 0.849,
      "knn_native": 0.8156,
      "knn_stitched": 0.729,
      "knn_retention": 0.8938,
      "ret_native": {
        "R@1": 0.768,
        "R@5": 0.9176,
        "R@10": 0.9588
      },
      "ret_stitched": {
        "R@1": 0.68,
        "R@5": 0.8564,
        "R@10": 0.9088
      },
      "ret_r10_retention": 0.9479
    },
    {
      "pair": "vit_base_patch16_224 <-> vit_large_patch16_224",
      "tau": 0.219,
      "s_global": 0.6639,
      "s_local": 0.302,
      "delta": 0.108,
      "knn_native": 0.8062,
      "knn_stitched": 0.6898,
      "knn_retention": 0.8556,
      "ret_native": {
        "R@1": 0.7712,
        "R@5": 0.9076,
        "R@10": 0.94
      },
      "ret_stitched": {
        "R@1": 0.6564,
        "R@5": 0.828,
        "R@10": 0.8808
      },
      "ret_r10_retention": 0.937
    },
    {
      "pair": "efficientnet_b0 <-> resnet101",
      "tau": 0.5747,
      "s_global": 0.6931,
      "s_local": 0.3,
      "delta": 0.366,
      "knn_native": 0.5916,
      "knn_stitched": 0.5506,
      "knn_retention": 0.9307,
      "ret_native": {
        "R@1": 0.5264,
        "R@5": 0.7772,
        "R@10": 0.8644
      },
      "ret_stitched": {
        "R@1": 0.4668,
        "R@5": 0.7404,
        "R@10": 0.8276
      },
      "ret_r10_retention": 0.9574
    },
    {
      "pair": "mixer_b16_224 <-> resnet101",
      "tau": 0.5199,
      "s_global": 0.6747,
      "s_local": 0.228,
      "delta": 0.557,
      "knn_native": 0.5916,
      "knn_stitched": 0.4878,
      "knn_retention": 0.8245,
      "ret_native": {
        "R@1": 0.5264,
        "R@5": 0.7772,
        "R@10": 0.8644
      },
      "ret_stitched": {
        "R@1": 0.3812,
        "R@5": 0.6696,
        "R@10": 0.7736
      },
      "ret_r10_retention": 0.895
    },
    {
      "pair": "convnext_large <-> vit_base_patch16_224",
      "tau": 0.5269,
      "s_global": 0.6845,
      "s_local": 0.333,
      "delta": 0.715,
      "knn_native": 0.6604,
      "knn_stitched": 0.764,
      "knn_retention": 1.1569,
      "ret_native": {
        "R@1": 0.596,
        "R@5": 0.8104,
        "R@10": 0.8708
      },
      "ret_stitched": {
        "R@1": 0.688,
        "R@5": 0.8752,
        "R@10": 0.9304
      },
      "ret_r10_retention": 1.0684
    },
    {
      "pair": "dinov2_vitb14 <-> clip_vitb16",
      "tau": 0.0449,
      "s_global": 0.4886,
      "s_local": 0.224,
      "delta": 1.76,
      "knn_native": 0.6168,
      "knn_stitched": 0.7806,
      "knn_retention": 1.2656,
      "ret_native": {
        "R@1": 0.5264,
        "R@5": 0.7728,
        "R@10": 0.8464
      },
      "ret_stitched": {
        "R@1": 0.702,
        "R@5": 0.88,
        "R@10": 0.9304
      },
      "ret_r10_retention": 1.0992
    },
    {
      "pair": "vit_base_patch16_224.mae <-> vit_base_patch16_224",
      "tau": 0.0024,
      "s_global": 0.1539,
      "s_local": 0.027,
      "delta": 6.121,
      "knn_native": 0.6604,
      "knn_stitched": 0.0464,
      "knn_retention": 0.0703,
      "ret_native": {
        "R@1": 0.596,
        "R@5": 0.8104,
        "R@10": 0.8708
      },
      "ret_stitched": {
        "R@1": 0.0332,
        "R@5": 0.1456,
        "R@10": 0.2316
      },
      "ret_r10_retention": 0.266
    },
    {
      "pair": "dinov2_vitb14 <-> resnet50",
      "tau": 0.1525,
      "s_global": 0.4969,
      "s_local": 0.193,
      "delta": 0.496,
      "knn_native": 0.5144,
      "knn_stitched": 0.7654,
      "knn_retention": 1.4879,
      "ret_native": {
        "R@1": 0.4268,
        "R@5": 0.7012,
        "R@10": 0.8012
      },
      "ret_stitched": {
        "R@1": 0.6308,
        "R@5": 0.8552,
        "R@10": 0.918
      },
      "ret_r10_retention": 1.1458
    },
    {
      "pair": "beit_base_patch16_224 <-> resnet50",
      "tau": 0.2277,
      "s_global": 0.2377,
      "s_local": 0.064,
      "delta": 2.239,
      "knn_native": 0.5144,
      "knn_stitched": 0.2022,
      "knn_retention": 0.3931,
      "ret_native": {
        "R@1": 0.4268,
        "R@5": 0.7012,
        "R@10": 0.8012
      },
      "ret_stitched": {
        "R@1": 0.1428,
        "R@5": 0.354,
        "R@10": 0.4664
      },
      "ret_r10_retention": 0.5821
    },
    {
      "pair": "clip_vitl14 <-> dinov2_vitl14",
      "tau": 0.0297,
      "s_global": 0.4763,
      "s_local": 0.269,
      "delta": 1.521,
      "knn_native": 0.8764,
      "knn_stitched": 0.7274,
      "knn_retention": 0.83,
      "ret_native": {
        "R@1": 0.844,
        "R@5": 0.9412,
        "R@10": 0.9696
      },
      "ret_stitched": {
        "R@1": 0.6952,
        "R@5": 0.84,
        "R@10": 0.8888
      },
      "ret_r10_retention": 0.9167
    },
    {
      "pair": "beit_base_patch16_224 <-> clip_vitb16",
      "tau": 0.041,
      "s_global": 0.1565,
      "s_local": 0.046,
      "delta": 0.975,
      "knn_native": 0.6168,
      "knn_stitched": 0.1962,
      "knn_retention": 0.3181,
      "ret_native": {
        "R@1": 0.5264,
        "R@5": 0.7728,
        "R@10": 0.8464
      },
      "ret_stitched": {
        "R@1": 0.1596,
        "R@5": 0.3384,
        "R@10": 0.4312
      },
      "ret_r10_retention": 0.5095
    },
    {
      "pair": "vit_base_patch16_224.mae <-> dinov2_vitb14",
      "tau": 0.0038,
      "s_global": 0.1168,
      "s_local": 0.022,
      "delta": 6.952,
      "knn_native": 0.8156,
      "knn_stitched": 0.0698,
      "knn_retention": 0.0856,
      "ret_native": {
        "R@1": 0.768,
        "R@5": 0.9176,
        "R@10": 0.9588
      },
      "ret_stitched": {
        "R@1": 0.0588,
        "R@5": 0.1476,
        "R@10": 0.2252
      },
      "ret_r10_retention": 0.2349
    },
    {
      "pair": "clip_vitb16 <-> resnet50",
      "tau": 0.1145,
      "s_global": 0.5235,
      "s_local": 0.164,
      "delta": 1.264,
      "knn_native": 0.5144,
      "knn_stitched": 0.5294,
      "knn_retention": 1.0292,
      "ret_native": {
        "R@1": 0.4268,
        "R@5": 0.7012,
        "R@10": 0.8012
      },
      "ret_stitched": {
        "R@1": 0.3908,
        "R@5": 0.6868,
        "R@10": 0.7908
      },
      "ret_r10_retention": 0.987
    }
  ],
  "correlations": {
    "tau_vs_knn_stitched": {
      "rho": 0.427,
      "p": 0.0604,
      "n": 20
    },
    "tau_vs_knn_retention": {
      "rho": 0.394,
      "p": 0.0856,
      "n": 20
    },
    "tau_vs_ret_r10_retention": {
      "rho": 0.442,
      "p": 0.051,
      "n": 20
    },
    "s_global_vs_knn_stitched": {
      "rho": 0.547,
      "p": 0.0125,
      "n": 20
    },
    "s_global_vs_knn_retention": {
      "rho": 0.456,
      "p": 0.0435,
      "n": 20
    },
    "s_global_vs_ret_r10_retention": {
      "rho": 0.496,
      "p": 0.0261,
      "n": 20
    },
    "s_local_vs_knn_stitched": {
      "rho": 0.756,
      "p": 0.000114,
      "n": 20
    },
    "s_local_vs_knn_retention": {
      "rho": 0.493,
      "p": 0.0271,
      "n": 20
    },
    "s_local_vs_ret_r10_retention": {
      "rho": 0.55,
      "p": 0.0119,
      "n": 20
    },
    "delta_vs_knn_stitched": {
      "rho": 0.514,
      "p": 0.0203,
      "n": 20
    },
    "delta_vs_knn_retention": {
      "rho": 0.394,
      "p": 0.0856,
      "n": 20
    },
    "delta_vs_ret_r10_retention": {
      "rho": 0.451,
      "p": 0.0459,
      "n": 20
    },
    "bcct_combined_vs_knn_stitched": {
      "rho": 0.632,
      "p": 0.00282
    },
    "bcct_combined_vs_knn_retention": {
      "rho": 0.49,
      "p": 0.0282
    },
    "bcct_combined_vs_ret_r10_retention": {
      "rho": 0.537,
      "p": 0.0147
    }
  },
  "summary": {
    "mean_knn_native": 0.692,
    "mean_knn_stitched": 0.5721,
    "mean_knn_retention": 0.8319,
    "mean_ret_r10_native": 0.8909,
    "mean_ret_r10_stitched": 0.7713
  }
}