{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":498,"cluster_id":4980002013},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["498:4980002012","498:4980002431","498:4980002657","498:4980002991","498:4980001738","498:4980001926","498:4980003293","498:4980002926","498:4980003169","498:4980002723","498:4980001152","498:4980002659","498:4980002865","498:4980002351","498:4980002920","498:4980002925","498:4980003109","498:4980002931","498:4980002787","498:4980001438","498:4980003117","498:4980002930","498:4980002094","498:4980003056","498:4980003092"],"twin_admin_codes":[498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498,498],"twin_sims":[0.8667206341231384,0.8643269370191606,0.8475387992471135,0.8386234084927381,0.8051153627089814,0.7951226495700613,0.7933132615913457,0.790389622686853,0.7850930570267985,0.7611609071515075,0.7569061520735875,0.7552003254851352,0.7505009099217335,0.7492848071071783,0.7472332452854593,0.7363790359125848,0.7255539260798503,0.7127075072228177,0.6979707539550395,0.6977587305801962,0.695946901059281,0.6931768585517596,0.6869105929882723,0.6643091714940051,0.6639176788652614],"twin_dists":[0.06946490275347186,0.07013322904377466,0.07470180455791989,0.07705258196913121,0.0855141801497719,0.0879431355757535,0.08837901162831469,0.08908088373048553,0.09034505183226392,0.09595088126865951,0.09693127466610142,0.09732309734656115,0.09839900319874588,0.09867660098110831,0.09914416246739001,0.10160307807187977,0.10403260654374016,0.10688980721494183,0.11013755893403718,0.11018407821859816,0.11058138234638265,0.11118805171155294,0.11255722676548699,0.11746393421918659,0.11754855325857974],"n_dims_used":44,"mean_confidence":0.9292404868386008},"coverage":{"mean_confidence":0.9292404868386008,"n_dims_used":44,"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}}