{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002746},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003172","489:4890002260","489:4890002500","489:4890003514","489:4890003261","489:4890003450","489:4890003245","489:4890003150","489:4890003446","489:4890003523","489:4890002648","489:4890001993","489:4890003151","489:4890002061","489:4890002748","489:4890002471","489:4890003246","489:4890002425","489:4890002484","489:4890002345","489:4890003452","489:4890001976","489:4890002549","489:4890002473","489:4890001808"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9505802044421308,0.9215999240444074,0.9201268323830717,0.8633169627779909,0.836223723603665,0.8311712885250083,0.8212354164847603,0.8165820016792115,0.7959299161914659,0.7945735455569799,0.7885659692097892,0.7867365106219756,0.7766991965299733,0.7561062975553058,0.7542095032506964,0.7524064278347875,0.7481858813616381,0.7330215728392312,0.7288733819487124,0.7265074237380398,0.7226876272939481,0.7123577562360043,0.7121541221103229,0.7111120288945249,0.7044674872359257],"twin_dists":[0.04134936873566093,0.052480887534511786,0.05299253322247278,0.07041386410689374,0.07767734124600516,0.07898235168469006,0.08151017746062518,0.08267772341546081,0.08774829041651024,0.08807553602074332,0.08951720208243501,0.08995379053068098,0.09233009919253939,0.09711508533877637,0.09755036812931081,0.09796336044350061,0.09892716722185935,0.10235891866749654,0.10328986633330772,0.10381945520030249,0.10467242356529735,0.1069672370486594,0.10701231040589121,0.10724287725407287,0.10870938336642132],"n_dims_used":45,"mean_confidence":0.9149566650390625},"coverage":{"mean_confidence":0.9149566650390625,"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}}