{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001304},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002878","491:4910001303","491:4910001893","491:4910001164","491:4910001989","491:4910001423","491:4910002187","491:4910001234","491:4910002040","491:4910002290","491:4910002232","491:4910001375","491:4910001540","491:4910002139","491:4910002138","491:4910001539","491:4910001718","491:4910001171","491:4910001833","491:4910002421","491:4910002728","491:4910002238","491:4910002537","491:4910001888","491:4910001958"],"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":[0.4184058281798529,0.39224095252132946,0.3699727419938219,0.3330139103134886,0.3160736932148437,0.30369939140727403,0.2949660641737615,0.2808975884349727,0.27469028167931164,0.274093720058962,0.2565273603848788,0.24338111348888944,0.24148025140565574,0.2395147685119722,0.23378195692764958,0.23114443002869473,0.22949654149573565,0.21944941980032356,0.2165491709573943,0.2102069031791306,0.19900425962874094,0.19564663360218912,0.1933135508621849,0.1756001036987527,0.17521388567338453],"twin_dists":[0.17144450004317338,0.17768414804233493,0.18314844262965554,0.19259742926358012,0.1971167767647327,0.2005050867676863,0.20294483154007276,0.20696673197671778,0.2087799391434869,0.20895551321789574,0.21423543293304792,0.2183380334896638,0.2189429317892805,0.2195716481353959,0.2214248721947053,0.22228750010616283,0.22282975112667291,0.22619300341703094,0.22718293640611473,0.2293793015115685,0.2333717729986946,0.23459841887773783,0.23545938609893755,0.24224610542507094,0.24239936913464855],"n_dims_used":45,"mean_confidence":0.8987718370225695},"coverage":{"mean_confidence":0.8987718370225695,"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}}