{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001953},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001907","491:4910002300","491:4910001903","491:4910001850","491:4910002355","491:4910002823","491:4910001674","491:4910003365","491:4910001958","491:4910002773","491:4910002829","491:4910001493","491:4910001362","491:4910001228","491:4910002874","491:4910001375","491:4910002231","491:4910001040","491:4910002007","491:4910001656","491:4910001734","491:4910001431","491:4910001715","491:4910002357","491:4910001094"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5386811031584278,0.5223440825960101,0.4988083471285651,0.4705615101999058,0.4689819550001424,0.4319487114450635,0.40712947498704083,0.38045038990903834,0.3674439608172466,0.3520801431091849,0.32715856973416024,0.3210444694622688,0.3125186911659162,0.3024471870012816,0.2922806872054324,0.2918825733071476,0.29114410128849544,0.2907544064869389,0.29058242449558624,0.28513641654404015,0.2847081336825395,0.2832845807770868,0.27772197074154004,0.27292503465276213,0.2660252570317548],"twin_dists":[0.1444624144072385,0.14801461439493402,0.15317850175706887,0.159468587577015,0.15982384029130578,0.16828129765714434,0.17411166008828788,0.18055818909370988,0.1837790041531543,0.18765820345786938,0.19414479233933798,0.19577695934711778,0.19808230976565933,0.2008523625856424,0.2037035424123673,0.20381637434097644,0.20402591161160819,0.20413661272534578,0.2041854959599162,0.20574246838378274,0.20586566481129023,0.20627595673132215,0.20789127040104852,0.20930015023158222,0.21135364209187252],"n_dims_used":45,"mean_confidence":0.8987743801540798},"coverage":{"mean_confidence":0.8987743801540798,"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}}