{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005150},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002467","490:4900005283","491:4910002715","490:4900005284","491:4910002765","490:4900005547","490:4900002216","490:4900005560","490:4900006308","491:4910002067","490:4900005548","491:4910001920","491:4910002208","490:4900005820","490:4900005680","491:4910002260","490:4900006306","491:4910002416","491:4910001010","490:4900008655","490:4900010121","490:4900005679","490:4900012720","490:4900012578","491:4910002015"],"twin_admin_codes":[491,490,491,490,491,490,490,490,490,491,490,491,491,490,490,491,490,491,491,490,490,490,490,490,491],"twin_sims":[0.2557271548902264,0.19378134622301024,0.04931907159978555,0.0447311305010548,0.042523283372817675,0.03174637309542941,0.022888228166686373,0.022013889523184504,0.021067457498703573,0.018587045128602275,0.017839409992144287,0.016089090580680847,0.014868086602572038,0.014617293243591303,0.013174712671632838,0.012360341379882369,0.010644464915950523,0.008605776220091501,0.007615841213725917,0.007260426847853883,0.007250629538268352,0.005682558014519191,0.004710861600398618,0.004605122662289941,0.004491401034221312],"twin_dists":[0.2144812733949856,0.2352861812205003,0.3186265842081093,0.32375423062259334,0.32638073704168746,0.3411512216719997,0.35696033215860185,0.3587960680182675,0.3608560106839558,0.36666447338979935,0.36854824592205,0.3732446276207194,0.37679443576884547,0.37755520821122474,0.382169046494524,0.3849748923425346,0.39146830129730925,0.40052422876328425,0.40563795862526075,0.4076204110618092,0.40767628378894927,0.417637007070582,0.4251434729134185,0.4260431936309735,0.42703199853423224],"n_dims_used":45,"mean_confidence":0.8955318874782986},"coverage":{"mean_confidence":0.8955318874782986,"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}}