{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001161},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001936","491:4910001431","491:4910003117","491:4910001159","491:4910001113","491:4910001030","491:4910001835","491:4910001907","491:4910000966","492:4920001039","491:4910001094","491:4910002306","491:4910002300","491:4910001494","492:4920000471","492:4920000576","492:4920000522","491:4910002087","491:4910001604","491:4910002137","491:4910001040","491:4910002829","491:4910001160","492:4920000724","491:4910001180"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,492,491,491,491,491,492,492,492,491,491,491,491,491,491,492,491],"twin_sims":[0.26751833858151336,0.22795722133221097,0.1789036796494697,0.17479405909822052,0.1688644220414367,0.16546582278824543,0.1652367385495579,0.16412183601661437,0.16340811926878016,0.15522012442863817,0.15190390915730032,0.14022551678158526,0.13304828887044232,0.13209755043301427,0.12857098829632221,0.1180269240127321,0.11701875435048158,0.11188629231343421,0.11173094372050411,0.10909708747726268,0.10857300864573538,0.10728409423040353,0.10024595847176798,0.10012572141004596,0.0984567056043036],"twin_dists":[0.2109065033072769,0.2233386040950477,0.24094484300717017,0.2425662432477351,0.24495437807946543,0.24635041188987022,0.24644525341420803,0.24690818744628806,0.24720573483422753,0.2506887812090717,0.25213767101843154,0.2574335984149482,0.26085336151000815,0.261316673814806,0.2630575016006364,0.26848813706214136,0.26902653251054054,0.27182405476801796,0.2719102579033415,0.2733860784953711,0.27368301540985684,0.2744180536488979,0.2785575257358543,0.2786301878817958,0.27964594175288376],"n_dims_used":45,"mean_confidence":0.8982473585340712},"coverage":{"mean_confidence":0.8982473585340712,"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}}