{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004052","490:4900004205","490:4900006553","490:4900004339","490:4900004340","490:4900003919","490:4900003378","490:4900004478","490:4900003500","490:4900005032","490:4900002970","490:4900003769","490:4900002964","490:4900002963","490:4900005427","490:4900003779","491:4910001340","490:4900005421","490:4900003498","490:4900007289","490:4900003376","490:4900004056","490:4900002966","490:4900002064","490:4900006802"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.540302149224581,0.5330206009129059,0.37025912834300095,0.3658517130337088,0.3416364288954802,0.32730112469782546,0.29043841413321103,0.26294354688912736,0.2548125026452088,0.2309296093583998,0.22605856587690307,0.21234570705077016,0.19431040957098514,0.1779741865871538,0.17416356971952576,0.1682282147265219,0.15047221230098679,0.14926692126077323,0.14912602202225186,0.1454878797048952,0.14460181475141398,0.14401983012106523,0.13832940783369538,0.13663234137076502,0.13270337796755025],"twin_dists":[0.14411115164118135,0.14569060473813927,0.18307716659525541,0.18417715149768826,0.19034551080500872,0.1941069399126606,0.20422644194263082,0.21228150185859707,0.21476287186440943,0.2223580438116876,0.22396938533275024,0.22863367080201497,0.2350906413617035,0.24130922701052818,0.24281739031164132,0.24521416193458265,0.25277037739983127,0.25330647274143925,0.25336935058396853,0.25500831583432165,0.2554120674595624,0.2556782583749895,0.2583240722078072,0.2591288369378207,0.2610211540945037],"n_dims_used":45,"mean_confidence":0.8985361735026042},"coverage":{"mean_confidence":0.8985361735026042,"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}}