{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010673},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011160","490:4900010586","490:4900010500","490:4900010416","490:4900010847","490:4900010919","490:4900010918","490:4900010593","490:4900011510","490:4900010757","490:4900010415","490:4900011844","490:4900008011","490:4900010848","490:4900010508","490:4900011018","490:4900011228","490:4900010501","490:4900010776","490:4900011159","490:4900010678","490:4900010671","490:4900011166","490:4900010927","490:4900010666"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6257581499055982,0.555272901310704,0.4345118151962349,0.42061258081725283,0.4004000965397723,0.37959400229483226,0.33749730438430714,0.29250418855177485,0.25289305927666655,0.24023230069510607,0.22018285914816332,0.21225052510031356,0.178667966722238,0.16223686985588112,0.1605389951012156,0.15617184070604886,0.15042203893158704,0.14733049887475905,0.14693110354605216,0.14554801130560763,0.1390421006500194,0.13756305598270696,0.1365103026091443,0.13427478435688325,0.1340704645212872],"twin_dists":[0.12575597449873915,0.14087587733829057,0.1676872411687519,0.17092618444533678,0.1757188845309496,0.18076858589899023,0.1914226369265796,0.20364023848910895,0.2153559128716113,0.21934173793714995,0.22594405313804775,0.22866674463729067,0.24103712081881334,0.24769607277924802,0.24841145882788296,0.25027715697783676,0.25279263056417306,0.25417448693631983,0.2543545653127897,0.25498098185621665,0.25798830627122454,0.25868656359842,0.25918699655237876,0.26025933122259043,0.2603580059104114],"n_dims_used":45,"mean_confidence":0.8917429606119792},"coverage":{"mean_confidence":0.8917429606119792,"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}}