{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002890},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004262","490:4900004400","490:4900003311","490:4900002139","490:4900002586","490:4900001984","490:4900004420","490:4900004404","490:4900001282","490:4900002134","490:4900003306","490:4900004538","490:4900002290","490:4900003037","490:4900003853","490:4900001829","490:4900003046","490:4900004122","490:4900002590","490:4900002749","490:4900003180","490:4900003844","490:4900003986","490:4900005095","490:4900004543"],"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":[0.7457743223071713,0.7201387544210082,0.7163565761639648,0.6697006184697593,0.6541263434631287,0.6349392835319522,0.6089064050786268,0.6028129736040694,0.5878027609264082,0.582518288831908,0.5757360617768058,0.5752001592994285,0.5646436409732339,0.5351005820961491,0.5300904983850516,0.5279840166007549,0.5220635069810988,0.49459325320733466,0.4848523670291362,0.4457932199926182,0.44454719647189533,0.44207491197069126,0.4374278160029216,0.42353009615398557,0.4200783995911619],"twin_dists":[0.0994760986757112,0.1052402343124164,0.10608086183972872,0.11629743722725676,0.11966152914112253,0.12378692979621589,0.12936577387406628,0.1306705535964175,0.13388589849019053,0.13501884333356517,0.13647404296975837,0.1365890909904535,0.1388576901349624,0.14523899926697864,0.1463274051141419,0.14678566782806093,0.14807583014938047,0.1541101375945027,0.1562720760009054,0.16508882099781916,0.16537455030626672,0.16594238909830383,0.16701309452464985,0.17024268635544604,0.17105154535927464],"n_dims_used":45,"mean_confidence":0.9204068501790365},"coverage":{"mean_confidence":0.9204068501790365,"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}}