{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000561","491:4910000556","491:4910000319","491:4910000505","491:4910000136","491:4910000801","491:4910000675","491:4910000288","491:4910000457","491:4910000318","491:4910000620","491:4910000465","491:4910000183","491:4910000104","491:4910000097","491:4910000359","491:4910000331","491:4910000614","491:4910000156","491:4910000817","491:4910000248","491:4910000116","491:4910000249","491:4910000144","491:4910000073"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.8110192309609636,0.801065833357047,0.7125052483869101,0.6904391514810098,0.5794023955801255,0.5167628822212833,0.4809147918742129,0.4541321113461776,0.4435957804389768,0.41062057446247646,0.4095039718631256,0.40809061356589593,0.40684691693375674,0.38872213476255174,0.37998601322102904,0.37694105473117695,0.3627525350579932,0.3528931626510749,0.3485315096302212,0.3181770435535577,0.31424297912348537,0.2976138275208144,0.2920346846764268,0.29136753789296227,0.28690019334970585],"twin_dists":[0.08406070633750827,0.0865030670512894,0.10693458661180232,0.11178677178694557,0.13568721316688123,0.14923377161160636,0.15714975814966095,0.16318429619154537,0.16559292892127234,0.1732825171008963,0.1735473733700601,0.17388307581520532,0.17417890537836642,0.17853755565800822,0.18067224844867816,0.1814218249276151,0.1849546215908522,0.1874507700346177,0.1885665421822347,0.19654840446111804,0.197613221034645,0.20220073078855447,0.20377325273419203,0.20396247943493023,0.2052362831239029],"n_dims_used":45,"mean_confidence":0.8897630479600694},"coverage":{"mean_confidence":0.8897630479600694,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}