{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001534},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003571","490:4900004267","490:4900004404","490:4900007119","490:4900003986","490:4900005623","490:4900004400","490:4900004127","490:4900001282","490:4900006742","490:4900003311","490:4900007618","490:4900007722","490:4900006279","490:4900007605","490:4900007482","490:4900007367","490:4900003046","490:4900000657","490:4900003037","490:4900002139","490:4900000890","490:4900006751","490:4900005244","490:4900004262"],"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":[0.7026621166702356,0.5880164522282441,0.5638926632899389,0.46798721017854933,0.45589662249365676,0.45527250602879055,0.4439033461297643,0.4410580366595382,0.43554483564422597,0.3777368925348677,0.36161494332893973,0.3584916354451069,0.3506306249074861,0.33185859397066464,0.3259024416062874,0.31918602181321876,0.31201961137322026,0.30928603311491476,0.298270473401312,0.2981462584326219,0.29507011990146687,0.28906833186682507,0.28460930353208014,0.27853132435462097,0.2763160473937187],"twin_dists":[0.10910680364932757,0.13384009870553823,0.13901926236422885,0.16004777351565888,0.16278296441617876,0.1629248525944292,0.1655223136745232,0.16617630307458697,0.16744821310140692,0.18122563074978082,0.18524084452348644,0.18602904862918546,0.18802865325608045,0.1929015509785306,0.19447872532830393,0.19627650775898792,0.19821835830363507,0.19896574410189607,0.20201679679583273,0.2020515725814936,0.20291551461535715,0.20461659950706979,0.20589410933995383,0.20765502993911994,0.20830264262795342],"n_dims_used":45,"mean_confidence":0.9211549546983507},"coverage":{"mean_confidence":0.9211549546983507,"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}}