{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009319},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009215","490:4900009228","490:4900009216","490:4900009422","490:4900007803","490:4900009461","490:4900009320","490:4900009227","490:4900009740","490:4900009138","491:4910005255","490:4900009225","490:4900009318","490:4900009125","490:4900009111","490:4900008370","490:4900009321","490:4900009317","490:4900009413","490:4900009113","490:4900008883","490:4900009124","490:4900008574","490:4900009110","490:4900009665"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0458035671563418,0.024940468711627927,0.01889315925624694,0.016049908847429746,0.008049802893107312,0.005294840115348242,0.00492649203767938,0.004209023925373599,0.002904943343013075,0.0028896091603299646,0.0021292826179704566,0.002004718792214117,0.001942006935934374,0.001778301136340778,0.0016853493254219247,0.001265713233697947,0.0010225122273160732,0.000877735753834785,0.0008696983454280797,0.0007822708309581643,0.0006999558767268785,0.0006998359246976842,0.00046406951532816003,0.0004160480754488491,0.00034124463978826717],"twin_dists":[0.3225175162112485,0.3528794523627815,0.36591225205520134,0.373354799697981,0.4033269997104704,0.4204814642178576,0.42336406000518884,0.42958917359761395,0.44391021455513685,0.4441112746821593,0.45556038773824564,0.45778689719727267,0.4589564213458232,0.46218156226563023,0.4641366918577303,0.47442847992060544,0.48195485045949227,0.4872687561609785,0.4875870920294037,0.49123845108667397,0.4950413843397103,0.4950472238681073,0.5088520267354375,0.5124600988067596,0.5189427936738333],"n_dims_used":45,"mean_confidence":0.8784223768446181},"coverage":{"mean_confidence":0.8784223768446181,"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}}