{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011753},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012021","490:4900011066","490:4900011290","490:4900011429","490:4900011559","490:4900009722","490:4900010134","490:4900010391","490:4900011149","490:4900011067","490:4900008773","490:4900010991","490:4900011065","490:4900008774","490:4900010987","490:4900010396","490:4900010310","490:4900010908","490:4900010480","490:4900010493","490:4900010129","490:4900009723","490:4900010479","490:4900010218","491:4910005936"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.441911280550038,0.3608136242377965,0.34055998019366523,0.31035903071009185,0.254581307937031,0.2115091015079546,0.1886295496542105,0.18671908469538037,0.1786736885407764,0.17530041490361972,0.15198750305539338,0.15065260903864763,0.14565728233971542,0.13827842743317303,0.13729274114461837,0.13039235947240307,0.12116671909143281,0.11217050728395167,0.10046545168767954,0.09975318401311989,0.09902002566506368,0.07960222921206817,0.07926546331025484,0.07347600542698114,0.07259033773570849],"twin_dists":[0.1659800154698705,0.185442734655689,0.19062495856988176,0.19867192748770732,0.21483415235409406,0.22892471928997438,0.2372099997537686,0.2379327555088965,0.24103487979634122,0.24236501064293745,0.25210086423955763,0.2526904119493156,0.2549313320003878,0.25834813972823695,0.25881478523677043,0.26215397530647816,0.2668336270488772,0.2716665822864667,0.2784250564235011,0.27885575572033594,0.2793016099861895,0.29218660854264805,0.292431249282277,0.2967736548056108,0.2974621087074391],"n_dims_used":45,"mean_confidence":0.8863310072157118},"coverage":{"mean_confidence":0.8863310072157118,"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}}