{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009536},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008336","490:4900009012","490:4900008338","490:4900009633","490:4900008226","490:4900008556","490:4900010136","490:4900008337","490:4900008112","490:4900009423","490:4900008229","490:4900009434","490:4900008562","490:4900007900","490:4900008455","490:4900008559","490:4900008563","490:4900009420","490:4900008668","490:4900010137","490:4900010822","490:4900010399","490:4900008566","490:4900008232","491:4910005410"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.4773351304876131,0.3595916835202664,0.3513340538819857,0.3415268886814868,0.3188892011050473,0.3187741054893355,0.31856095918435506,0.30259000094685384,0.30226538472928205,0.299175190901996,0.28614806693933126,0.2785102867553845,0.27726835565134483,0.24745219733583088,0.24055510478610515,0.23246250755288234,0.22776475399225218,0.22083374678702677,0.2194067244556747,0.2166171909765501,0.21446496540225946,0.21111140761449557,0.20394545509937034,0.20071788501373733,0.19957213201160504],"twin_dists":[0.15794963897464268,0.18575103971323828,0.18784878001112637,0.19037392606826814,0.1963564439197975,0.19638745133743718,0.1964448908120342,0.20081271359206426,0.20090285155245927,0.20176376378310143,0.20545190626080734,0.2076611652610592,0.2080238586827242,0.21705270398895748,0.21923845116963417,0.22185560631951345,0.2234023876878163,0.22572358790957373,0.22620751259921246,0.2271596176006993,0.22789985474579347,0.22906334762364372,0.2315923006750776,0.23275123628591207,0.2331657287031967],"n_dims_used":45,"mean_confidence":0.8877389695909288},"coverage":{"mean_confidence":0.8877389695909288,"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}}