{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001923},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002379","490:4900001112","490:4900001927","490:4900002535","490:4900001237","490:4900004076","490:4900001114","490:4900001110","490:4900001109","490:4900002376","490:4900001925","490:4900004216","490:4900002975","490:4900003137","490:4900002548","490:4900004088","490:4900002544","490:4900002383","490:4900004364","490:4900002549","490:4900004350","490:4900002529","490:4900002543","490:4900004077","490:4900001922"],"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":[0.3498959918147514,0.15283687888661843,0.1460190589699916,0.12112821671277532,0.1202864312829363,0.11628747897157721,0.11545679067262084,0.10842932464969936,0.0900934027321023,0.08130823494998647,0.07830516789310538,0.061497332305875264,0.050131993609167265,0.042929548025342705,0.03772102027230242,0.03576734862781886,0.03334390974011546,0.0324187152761324,0.03152217873033538,0.025963227203677938,0.025401659975598116,0.021919760066701155,0.021007186342216592,0.020044164811290274,0.01952759768520867],"twin_dists":[0.18821670723911313,0.2517277204642542,0.2547671468502705,0.26685371631202415,0.267294155271803,0.2694192874949899,0.2698677422747746,0.2737646189796832,0.2849499727143708,0.2909598969218992,0.29313346047382044,0.3067217191143394,0.3177599500198243,0.32588896217183516,0.3325161142495769,0.3352029999003823,0.3387150601635565,0.34011345607734367,0.3415014461595625,0.35095316745775973,0.3520025466276836,0.3589974576373916,0.36098990204470055,0.36317594088815036,0.36438654856758973],"n_dims_used":45,"mean_confidence":0.9146836174858941},"coverage":{"mean_confidence":0.9146836174858941,"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}}