{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004551},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003718","490:4900002895","490:4900005888","490:4900003183","490:4900007379","490:4900003040","490:4900004960","490:4900003990","490:4900001546","490:4900002291","490:4900003041","490:4900001415","490:4900004275","490:4900006154","490:4900003312","490:4900002443","490:4900003310","490:4900003585","490:4900002464","490:4900003443","490:4900004953","490:4900007736","490:4900002600","490:4900007614","490:4900001981"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.42528138228610274,0.3757642376667121,0.354897426480614,0.32674650361786894,0.31882603244472196,0.31695203999306304,0.3140677161317223,0.30727834023467687,0.2878833840878717,0.2818802852418321,0.2638612767650521,0.2542503226924766,0.25156326424103637,0.24045211080935833,0.24002785246997743,0.23696413104439293,0.23429137555711915,0.22931779070828226,0.2043644010294306,0.19883957519293768,0.19855055967285434,0.1968345047138009,0.1872856913952684,0.18379019105221794,0.18048475349890655],"twin_dists":[0.16983335206104538,0.18171231075564878,0.18694046097173347,0.19425425897689094,0.1963734611387802,0.1968791688750161,0.19766083399165169,0.19951708278083105,0.20495492776966473,0.20668191947878187,0.21200447966289482,0.21493627116591627,0.21576845400448255,0.2192713960986191,0.21940720131638913,0.22039256568657342,0.22125899943136457,0.22288872478328942,0.23144279349843502,0.23343160226053758,0.2335366833234838,0.23416279882215355,0.23771786140054163,0.23905095091205558,0.2403280959258593],"n_dims_used":45,"mean_confidence":0.9154906378851997},"coverage":{"mean_confidence":0.9154906378851997,"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}}