{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003959},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004446","489:4890004152","489:4890004190","489:4890003964","489:4890004558","489:4890004630","489:4890004091","489:4890004412","489:4890003844","489:4890004134","489:4890004263","489:4890004600","489:4890004850","489:4890004136","489:4890004075","489:4890004189","489:4890004643","489:4890004400","489:4890004026","489:4890003950","489:4890003771","489:4890003910","489:4890004499","489:4890003889","489:4890004763"],"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":[0.9420016899378651,0.9068392194779655,0.892266547629359,0.8399840920624903,0.8235692280884667,0.8219584163570867,0.8216228251953458,0.8197422477043551,0.8122679734032249,0.8032404248166823,0.7855209794604507,0.7831749159928428,0.7778019512871571,0.7760321712559584,0.7600421085543254,0.7528130217645592,0.7526093960691422,0.7499091534261833,0.7406768173285424,0.735727747552809,0.7297581867500965,0.725016225941717,0.7247301383587006,0.7230813154700828,0.7215031674749889],"twin_dists":[0.04489534309789633,0.057436281216846886,0.06201159860193823,0.07669686695842252,0.08092080399732034,0.08132787134147465,0.08141252225830597,0.0818859044532084,0.08375141914343166,0.08597283016407192,0.09024325983471948,0.09080060622013164,0.09207054190754785,0.09248692289588173,0.09620911294846493,0.09787029650471368,0.09791690848790738,0.0985341239323145,0.1006323466595586,0.10174986630713329,0.10309155890086782,0.10415273861355434,0.10421663565971642,0.10458462628227715,0.10493641749710331],"n_dims_used":45,"mean_confidence":0.9199327256944444},"coverage":{"mean_confidence":0.9199327256944444,"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}}