{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004232},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004288","489:4890004336","489:4890004286","489:4890003815","489:4890004287","489:4890004181","489:4890003625","489:4890004484","489:4890004289","489:4890004433","489:4890004235","489:4890004935","489:4890005103","489:4890004055","489:4890004384","489:4890004789","489:4890004056","489:4890003624","489:4890004696","489:4890004131","479:4790002482","489:4890004834","489:4890004109","479:4790001733","489:4890004224"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,479,489,489,479,489],"twin_sims":[0.93843976319751,0.9121844186286688,0.8992466332172632,0.8648441736998671,0.8597783064788805,0.8551506752151342,0.840053663782871,0.8326639427228707,0.8233316551466298,0.7995282154444261,0.7821534587470185,0.7795808035326613,0.769099384584834,0.7616257841804478,0.7607872313311674,0.7530416493899736,0.7407095962248181,0.7391197040506692,0.7215839422676656,0.7026806813155652,0.7025515149166651,0.6997582173735224,0.6980217223785017,0.694522015966967,0.6921456619621293],"twin_dists":[0.046296787925075716,0.055683630298025824,0.059854511548963554,0.0699891995661805,0.07139098054242533,0.0726549031789092,0.07667865044139809,0.07859824315171389,0.08098091939548942,0.08687689876025126,0.09104272312126753,0.09165108039771172,0.09410929376141701,0.0958434895346168,0.09603716494600974,0.09781794989122587,0.10062492874095597,0.10098447362873421,0.10491842166219574,0.10910271915433185,0.10913113672959415,0.10974515710510083,0.11012637531372153,0.11089355998853663,0.1114136676739873],"n_dims_used":45,"mean_confidence":0.9171759711371528},"coverage":{"mean_confidence":0.9171759711371528,"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}}