{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003416},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003210","489:4890003134","479:4790000173","489:4890003279","489:4890002970","489:4890003483","489:4890002966","489:4890003289","479:4790000250","489:4890003213","489:4890002961","489:4890002140","489:4890003517","479:4790000209","489:4890003122","489:4890003479","489:4890003587","489:4890002564","470:4700008202","489:4890003354","489:4890002822","489:4890002910","470:4700007831","489:4890003415","489:4890002345"],"twin_admin_codes":[489,489,479,489,489,489,489,489,479,489,489,489,489,479,489,489,489,489,470,489,489,489,470,489,489],"twin_sims":[0.8476645152784986,0.8241993822449433,0.8026068625829885,0.7624615776374829,0.7618655013664496,0.7581987147708368,0.7312112936649329,0.7300689736740857,0.7063059255567518,0.7046386537571174,0.6949594891617964,0.68212851879478,0.6708454092108436,0.6702746383777739,0.6590357020754012,0.6572125200453732,0.654306972457814,0.6384158779915476,0.6277309635962939,0.6271811189423837,0.6239212249839796,0.6190422078182471,0.6155054856612824,0.6134642520273208,0.612438515916528],"twin_dists":[0.07466830702297689,0.08076121734869413,0.08612750192736357,0.09565027393022915,0.09578809080540314,0.09663390992810784,0.10276557336237258,0.1030218701467936,0.10830423626492368,0.1086716816528158,0.11079773964448357,0.1135993060598913,0.11604945800488069,0.11617310894026686,0.11860286795705115,0.1189961965052248,0.1196226040484113,0.12304061919158968,0.12533306660580448,0.1254509450979883,0.1261496722169867,0.12719504707730012,0.1279525954724338,0.12838975429622673,0.1286094166747846],"n_dims_used":45,"mean_confidence":0.9146133422851562},"coverage":{"mean_confidence":0.9146133422851562,"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}}