{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003843},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003659","489:4890003904","489:4890004193","489:4890003658","489:4890003903","489:4890003908","489:4890004074","489:4890003845","489:4890004540","489:4890004768","489:4890003839","489:4890004399","489:4890003966","489:4890003710","489:4890003711","489:4890004304","489:4890004539","489:4890004240","489:4890003648","489:4890004675","489:4890004244","489:4890003647","489:4890004190","489:4890003784","489:4890003771"],"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":[0.9181536180443661,0.8708925730730674,0.8522659524153149,0.8501825091253048,0.8076156831598937,0.7986930442526846,0.7899962106614375,0.7734290650984312,0.7588028781312324,0.7559391989252038,0.7459184780393977,0.7422980310590801,0.7320058900620382,0.731934597463487,0.719911291859104,0.7177416229849866,0.7109370720477234,0.7068198951146043,0.7047834580858269,0.6927304480311748,0.6743248771334817,0.6553927171273679,0.6463432062560869,0.6442068532765227,0.6423792752125425],"twin_dists":[0.05367150593232332,0.068288950747739,0.07343518578149828,0.07399523796787291,0.0849003685527756,0.08707957634776461,0.08917510480798381,0.09309769231651273,0.09649477721136442,0.09715346606730091,0.09944332063238308,0.1002651998898181,0.1025871527389723,0.10260316570716752,0.10529085450481267,0.10577328302592054,0.10728157157610849,0.10819088766809276,0.1086397835018465,0.11128573698228188,0.11529508704750582,0.11938858806208952,0.12133706167386923,0.12179643042423917,0.12218923879078913],"n_dims_used":45,"mean_confidence":0.9200174967447917},"coverage":{"mean_confidence":0.9200174967447917,"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}}