{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003198","490:4900003738","490:4900002918","490:4900003075","490:4900002309","490:4900003747","490:4900002626","487:4870001945","490:4900002485","490:4900002460","490:4900003490","490:4900002612","490:4900002776","490:4900001997","490:4900002488","487:4870000609","490:4900004164","490:4900004436","487:4870002032","490:4900003356","490:4900001586","487:4870002441","487:4870001209","490:4900003330","487:4870001121"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,487,490,490,487,490,490,487,487,490,487],"twin_sims":[0.7137829937958398,0.678109413242481,0.658622079131376,0.6274987512712842,0.6246749169045364,0.5954145253214336,0.5812578840514273,0.5442032458043146,0.5193203322117094,0.4984015612336863,0.483892379441001,0.48023242851174575,0.4706067466466152,0.45683398557387656,0.44134278794348725,0.4313535448116229,0.4288125515562518,0.41605305767591105,0.3940331086578729,0.3773095340986584,0.365574952640913,0.3634123343294383,0.3575376137220353,0.35646081465780616,0.35014769688015074],"twin_dists":[0.10665159623158252,0.11447338406667114,0.11869212060750722,0.12538285038217956,0.12598814652285845,0.13225501527723216,0.13528917038823968,0.143266628885928,0.1486747376792278,0.15326831324597198,0.15648585043148278,0.1573020860292531,0.15945841952873885,0.16256999447797102,0.16611078003665997,0.16841944399575426,0.16901011684922093,0.17199839692318247,0.1772508751930991,0.1813309603777177,0.1842464451440455,0.18478882182281436,0.18627050736515438,0.18654343862297657,0.18815225163019028],"n_dims_used":45,"mean_confidence":0.9163888719346788},"coverage":{"mean_confidence":0.9163888719346788,"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}}