{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001697},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001870","480:4800002510","480:4800001750","480:4800001695","480:4800001639","480:4800001869","480:4800001291","480:4800002042","480:4800001811","480:4800002032","480:4800002086","480:4800002283","480:4800002329","480:4800002030","480:4800002187","480:4800002094","480:4800001696","480:4800002466","480:4800001805","480:4800001365","480:4800002409","480:4800002509","480:4800001246","480:4800002418","480:4800001812"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8528177726726547,0.8200239702607653,0.7757296579617582,0.7746073441906055,0.7728857354018843,0.755862695691614,0.7537017309229102,0.7078122190276401,0.7011668411914824,0.6977378110929086,0.6773641212391682,0.6723401307568752,0.662465255662748,0.6564680664015873,0.6553868910265634,0.6502359106212524,0.648536648661007,0.6478716666121712,0.6456825588493796,0.6352309261973382,0.6337640081811112,0.6268255062344636,0.6237843034762408,0.6204029392236613,0.6168174026113277],"twin_dists":[0.07328636426607628,0.08181509421674599,0.09255800330317236,0.09282147519067557,0.09322492762559223,0.09717103579487424,0.09766674938980924,0.10797194183589112,0.10943563943122253,0.11018866778937927,0.11463530447375388,0.11572551723758341,0.11786239120986317,0.11915674256914016,0.11938984397899317,0.12049945619938252,0.12086518697813385,0.12100826984190778,0.12147914025782297,0.12372434024341017,0.12403912707833656,0.12552717919618592,0.12617901495463252,0.12690353892365305,0.12767160751665832],"n_dims_used":42,"mean_confidence":0.9108836764381045},"coverage":{"mean_confidence":0.9108836764381045,"n_dims_used":42,"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}}