{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007608},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005883","490:4900006031","490:4900005088","490:4900006279","490:4900005623","490:4900006641","490:4900006751","490:4900007485","490:4900007607","490:4900007722","490:4900001153","490:4900006618","490:4900005880","490:4900007482","490:4900007367","490:4900007240","490:4900007113","490:4900007618","490:4900006620","490:4900001283","490:4900007480","490:4900007609","490:4900007119","490:4900003986","490:4900006879"],"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":[0.7761475056447158,0.7362461345049535,0.6088554386731155,0.604995283104773,0.5961564274442043,0.5208557658770864,0.5194594769317654,0.505742836264757,0.4712423350577064,0.4515362847750927,0.42374068332585,0.4175562599015474,0.41623735789217914,0.40865106544911006,0.39782943651094094,0.38843596581007456,0.37779525358511656,0.3718310552841841,0.35217463368819024,0.3457755666233596,0.33545014188450656,0.3280392103115994,0.3108767724275491,0.3048053094689247,0.30401312584448564],"twin_dists":[0.09245981612208418,0.10163303823399816,0.12937668731298652,0.13020325332904453,0.13209610452216336,0.14833942109399972,0.1486443408600648,0.151650581868238,0.15931558950892247,0.16377574974814896,0.17019342779097035,0.1716443540821753,0.17195495999651375,0.17374989538738478,0.1763360698365324,0.17860711839491958,0.18121125119464396,0.18268643050740443,0.1876340823774024,0.1892753337075936,0.19195800197493504,0.19391110244323095,0.1985303635213411,0.2001990713371399,0.20041820864239554],"n_dims_used":45,"mean_confidence":0.9226764255099826},"coverage":{"mean_confidence":0.9226764255099826,"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}}