{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001891},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001940","480:4800001945","480:4800002453","480:4800001882","480:4800002357","480:4800001657","480:4800002311","480:4800002163","480:4800001949","480:4800001886","480:4800002296","480:4800001767","480:4800002501","480:4800001658","470:4700004029","480:4800001544","480:4800001824","480:4800002342","480:4800001342","469:4690002496","480:4800002204","469:4690004016","480:4800001826","480:4800001825","480:4800002105"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,480,480,480,469,480,469,480,480,480],"twin_sims":[0.47851159754158457,0.47597978847080613,0.4162352435259271,0.4117310827603041,0.3702702089613623,0.3610284883940187,0.3570712355212797,0.3565151798619565,0.3503221644492003,0.3482803894640915,0.33238320334766813,0.32618410537215975,0.31017048598717606,0.30604892495564917,0.2849924930434253,0.2714112779247533,0.26977611606013174,0.26400365375441665,0.26079176133033366,0.2542387554115565,0.25221420867026706,0.24248365286545284,0.2382446392137207,0.2095538729578107,0.20487362052702937],"twin_dists":[0.1576865439520183,0.15825299666077436,0.1719554582755557,0.1730194192723689,0.1830744093937654,0.1853885778482085,0.18638866608621849,0.18652964876228673,0.18810758891914509,0.18863100434536884,0.19276338297896062,0.19440378509513906,0.19872351406965727,0.19985572110992555,0.2057838558388301,0.20974789834021038,0.2102332899277554,0.21196155631157929,0.2129334135539568,0.21493984154249127,0.21556633897693742,0.21862324380032946,0.21997972103690547,0.2296079871027672,0.2312613532784782],"n_dims_used":43,"mean_confidence":0.920480772506359},"coverage":{"mean_confidence":0.920480772506359,"n_dims_used":43,"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}}