{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008616},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010169","490:4900008375","490:4900008835","490:4900009868","490:4900010258","490:4900011727","490:4900011344","490:4900010781","490:4900011532","490:4900007947","490:4900008151","490:4900009666","490:4900006610","490:4900011260","490:4900007590","490:4900009045","466:4660004016","490:4900009565","490:4900008732","490:4900007698","490:4900009255","490:4900008043","490:4900008397","490:4900008153","490:4900008725"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490],"twin_sims":[0.08459632341102104,0.05758849922096121,0.02344218530039113,0.02332676615672619,0.014289979452024542,0.010811673135224936,0.009734529067217204,0.009043088024225245,0.008935925276365912,0.008401698727613321,0.008160226059492744,0.007696123565395399,0.007298465447352177,0.006378257965769441,0.005308237378294799,0.004955112316174385,0.00471215607286323,0.004648648426940578,0.004130634098735246,0.0038683541918508313,0.0038477254429559534,0.003603073354791515,0.0032848984580863376,0.003243413312774383,0.0031710199623145403],"twin_dists":[0.2886525546410694,0.31031211040506945,0.355828511881418,0.3560624038605094,0.3785656056508962,0.390796147046916,0.39529988038799235,0.39843132911840157,0.3989356797296471,0.40153366311875893,0.40275682151837827,0.40520167807022567,0.40740412218984123,0.41294614983332,0.4203800806503603,0.42313321008422516,0.42513257230965024,0.42567059190098366,0.4303266972822535,0.4328904333081498,0.4330987252416812,0.4356497570375159,0.43921468411914477,0.4397025015358802,0.4405675701835076],"n_dims_used":45,"mean_confidence":0.912420145670573},"coverage":{"mean_confidence":0.912420145670573,"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}}