{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004478},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003915","490:4900002970","490:4900004052","490:4900004471","490:4900003505","490:4900003776","490:4900003920","490:4900004053","490:4900002963","491:4910002159","490:4900005021","490:4900002818","490:4900002966","490:4900002964","490:4900007047","490:4900006929","490:4900004339","490:4900003772","490:4900005032","490:4900004205","490:4900007049","490:4900002370","491:4910001340","490:4900003368","490:4900004881"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490],"twin_sims":[0.7333699895368665,0.5602548346611643,0.537069724573953,0.36776489793764694,0.36156315431076375,0.2852473363063606,0.26294354688912736,0.257722831700857,0.25750600062988716,0.24952965514374031,0.20442358215800813,0.18962622941920174,0.18613186885188548,0.18354163505581078,0.17815450027454444,0.17557625400434176,0.1690635267908319,0.16433494680605895,0.15208195805621164,0.14958684319267235,0.14901576140833742,0.14591074109762658,0.1447488288827476,0.14351234101302504,0.1428206360812482],"twin_dists":[0.10228058161402054,0.13980233442271986,0.1448117832804903,0.1836988574336418,0.18525388573871152,0.20571058024375086,0.21228150185859707,0.21386906000301756,0.21393543182284977,0.2164020379548262,0.23142169075347424,0.23683497562556022,0.23815594958877187,0.23914642076469733,0.24123843418572782,0.2422555627858351,0.24487322182615806,0.24681952342088762,0.2520592931576075,0.25316386630876636,0.25341858615689783,0.25481627315584254,0.2553449511594886,0.2559110283581943,0.2562292788431619],"n_dims_used":45,"mean_confidence":0.9008304172092014},"coverage":{"mean_confidence":0.9008304172092014,"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}}