{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":498,"cluster_id":4980000137},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["473:4730007269","473:4730007039","473:4730007036","473:4730007383","500:5000009374","473:4730006715","498:4980000209","473:4730007157","498:4980000450","498:4980000817","473:4730007723","498:4980001562","500:5000008558","498:4980002671","498:4980000333","500:5000010145","498:4980002740","500:5000009593","498:4980000112","498:4980002443","498:4980000271","498:4980000002","498:4980000457","500:5000006208","473:4730007729"],"twin_admin_codes":[473,473,473,473,500,473,498,473,498,498,473,498,500,498,498,500,498,500,498,498,498,498,498,500,473],"twin_sims":[0.7788789628603391,0.6902360091567149,0.6547964257461402,0.6511342519765586,0.6244133225341686,0.6142421426119239,0.6100755663138656,0.5951048204186632,0.5914637322564054,0.5658002861933793,0.5638967419898011,0.5614169966444924,0.5472585534990914,0.5415790831410177,0.5363344535892737,0.5357072240539749,0.5307046171041687,0.5302106304704601,0.5083376331452991,0.5082198472330446,0.5060958107430265,0.5035872200139974,0.5033938436839241,0.498565270818912,0.49571278126686985],"twin_dists":[0.0918166920394361,0.1118311643231415,0.11951711842270525,0.1203060448760284,0.12604421085622028,0.12822316264788303,0.12911541903375237,0.132321354176951,0.13310138055200418,0.13860889132770826,0.13901838476179956,0.13955209650016498,0.1426059617342194,0.14383459375019103,0.1449712679406454,0.1451073518708341,0.14619387750059448,0.14630128226282146,0.1510803088271886,0.15110617868575063,0.15157296129874046,0.15212492632609442,0.15216750562908532,0.15323216644007145,0.15386247448023413],"n_dims_used":45,"mean_confidence":0.9264819675021702},"coverage":{"mean_confidence":0.9264819675021702,"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}}