{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":473,"cluster_id":4730001772},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["473:4730001317","473:4730001589","473:4730001415","485:4850001008","473:4730001316","473:4730000871","473:4730001050","485:4850001961","473:4730001659","473:4730001694","473:4730001692","485:4850000842","485:4850000573","473:4730001859","473:4730001697","473:4730001482","473:4730001574","473:4730002306","485:4850003477","485:4850002754","473:4730000425","485:4850001868","473:4730002424","500:5000011265","485:4850000703"],"twin_admin_codes":[473,473,473,485,473,473,473,485,473,473,473,485,485,473,473,473,473,473,485,485,473,485,473,500,485],"twin_sims":[0.478497277717128,0.42253324760820227,0.37281823477310727,0.34279277486318865,0.33720724932054824,0.2900591448783509,0.2588622929028404,0.2566715338182562,0.23527841572047326,0.21867512185821478,0.21395813085334134,0.20989255722612762,0.1785567827978462,0.17776837652050806,0.17614504835708195,0.17403327862302148,0.17143311865495334,0.16770172525215343,0.1658734651632513,0.16394299743738655,0.16274201535347915,0.14739930252191755,0.141504579562217,0.14036023848164722,0.13992852092537522],"twin_dists":[0.1576897450603643,0.17047599897697518,0.18244146368485056,0.19004584532627136,0.19149838390490123,0.20433433619597186,0.21352084957783649,0.21419119133842057,0.22093827877420008,0.2264564282300022,0.2280749040624343,0.22948932240097752,0.2410806775211063,0.24139009224109823,0.24203026189534654,0.24286937091800737,0.24391259034277848,0.2454296794978178,0.2461818809739628,0.24698265691972796,0.24748428252675003,0.2541435013569293,0.2568379681293003,0.2573706713447229,0.25757248138455957],"n_dims_used":45,"mean_confidence":0.9152073330349393},"coverage":{"mean_confidence":0.9152073330349393,"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}}