{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010532},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010701","490:4900010443","490:4900010619","490:4900010615","490:4900010870","490:4900010533","490:4900010183","490:4900010439","490:4900010883","490:4900010616","490:4900010879","490:4900009272","490:4900011798","490:4900012128","490:4900011539","490:4900011990","490:4900011110","490:4900010691","490:4900010438","490:4900009774","490:4900010704","490:4900010884","490:4900011986","490:4900010708","490:4900010620"],"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":[0.4698821619010024,0.44048176446769394,0.42911067290779903,0.4121766044767665,0.38123043983230365,0.37923627407077953,0.298771315242567,0.2715189273811457,0.2532558634591808,0.2418744619145404,0.2358018752165136,0.23237924716867003,0.22835194881903542,0.20222658247280245,0.19725184688633704,0.19364758417892283,0.1887090542137089,0.18855445112747196,0.1847139718079007,0.17962155210291597,0.17870743126575628,0.16000430291577986,0.15992975674193843,0.1576856958263365,0.15247656253966144],"twin_dists":[0.1596213281387637,0.166308957299436,0.16894074251906774,0.17291395494525535,0.18036674572754266,0.18085654031991455,0.2018766649520054,0.20971600640073576,0.21524360034646883,0.2188172322224348,0.22076854748910588,0.2218828404747135,0.22320790298736837,0.23220792106838467,0.23401018200988574,0.2353356779444256,0.23718003346699312,0.23723831347402374,0.23869692394714107,0.2406643377078674,0.24102166506774095,0.24863788452728564,0.2486694962138769,0.24962616328224835,0.2518858265265615],"n_dims_used":45,"mean_confidence":0.9201241387261285},"coverage":{"mean_confidence":0.9201241387261285,"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}}