{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910003380},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910003453","491:4910001175","492:4920004729","492:4920001452","492:4920004952","492:4920003425","491:4910003016","491:4910002614","492:4920003980","492:4920004080","492:4920004728","492:4920003728","491:4910002359","491:4910001464","492:4920004522","492:4920004587","491:4910003452","491:4910003214","491:4910001407","491:4910001938","492:4920006824","491:4910002119","491:4910004137","492:4920003555","491:4910001406"],"twin_admin_codes":[491,491,492,492,492,492,491,491,492,492,492,492,491,491,492,492,491,491,491,491,492,491,491,492,491],"twin_sims":[0.11959425626150653,0.0761053320144591,0.06766392387606805,0.06278910558485166,0.047559267977866755,0.04727799123525893,0.04558970849657355,0.043806484692219684,0.03184194220743382,0.030922772685962933,0.02591543673616219,0.025797250962283386,0.02574784386168264,0.022558828845530343,0.022418854024795057,0.021172801295852115,0.021016244789242623,0.020903811477461034,0.019895479134386024,0.019250006790680757,0.018939206763869416,0.01795423407774889,0.015969235376424525,0.014680764239242954,0.014048341817242786],"twin_dists":[0.26765808247363715,0.2947685651635068,0.30142086932935197,0.30557640939531217,0.3205442636835819,0.3208562492365107,0.32276218190166234,0.32484065009872465,0.34100257131929923,0.3424483820207381,0.35104170477590535,0.3512612641724217,0.35135330758026045,0.3576446630984993,0.35793809144211175,0.36062278981581053,0.3609697575212047,0.36122032825749906,0.363521578469665,0.3650486927997094,0.3658000217397067,0.3682544910871817,0.373582385698816,0.37736159019867244,0.3793247114470175],"n_dims_used":45,"mean_confidence":0.8913597954644097},"coverage":{"mean_confidence":0.8913597954644097,"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}}