{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001127},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000993","491:4910001327","491:4910001123","491:4910001000","491:4910001058","491:4910001195","491:4910001194","491:4910001124","491:4910001321","491:4910001189","491:4910001561","491:4910001624","491:4910001385","491:4910001182","491:4910000997","491:4910001057","491:4910001621","491:4910001052","491:4910001130","491:4910001503","491:4910001005","491:4910001128","491:4910000987","491:4910001265","491:4910001001"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5668955061236067,0.5554916661688173,0.530058567266843,0.47300155366513,0.42733012153274247,0.3736095762607652,0.3603565819589895,0.3388270442182494,0.2621250347089792,0.21719972625473366,0.19453923791261257,0.18749504546288712,0.18038379279707978,0.1713253585288358,0.16915632092275046,0.14068104773427875,0.14055095366440276,0.13459717139250232,0.12551795129519028,0.12182152088070639,0.10793004792719225,0.10724739770881501,0.08544715269790244,0.08478728095637279,0.07564102576088924],"twin_dists":[0.13837336257889293,0.14082870696466143,0.14633434878146692,0.15892059208936546,0.16935537990021776,0.18224532469298046,0.18555798748268967,0.19107582805181605,0.21252908542676702,0.2269601128137659,0.23500618185881,0.23763857613379522,0.24036736412685342,0.24395606885397117,0.24483542186544363,0.25722100578452567,0.25728166724219487,0.2601038659541773,0.26459398448461086,0.2664927166092022,0.2740488302982244,0.27443908088644015,0.2880671866828785,0.28852076931046333,0.29511853160337476],"n_dims_used":45,"mean_confidence":0.8966047498914931},"coverage":{"mean_confidence":0.8966047498914931,"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}}