{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003736},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004570","490:4900001161","490:4900004443","490:4900001706","496:4960007901","490:4900004289","490:4900004287","490:4900003874","490:4900001162","490:4900002475","490:4900002644","490:4900003224","490:4900001020","490:4900003080","490:4900004290","490:4900001175","490:4900003743","494:4940008492","490:4900003307","490:4900001735","490:4900003482","490:4900002766","494:4940006941","490:4900002013","490:4900001570"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,494,490,490],"twin_sims":[0.418168845377492,0.3372516764637148,0.3098811936011247,0.30918946042345896,0.30339797488880194,0.3026369187621681,0.2930434315862479,0.2823710044074597,0.2760010251792503,0.2648826960008622,0.24474975219714803,0.24469440628647068,0.2350545356389156,0.22888491823393214,0.22865098680826912,0.2147052466719596,0.21291868329487004,0.2039807267492544,0.2032787634840336,0.1990041717255377,0.19816679269591606,0.19134998264933553,0.1897790497305136,0.18942702529372357,0.18877673031367817],"twin_dists":[0.17150023089468402,0.191486779613797,0.19880270055312446,0.1989922170512838,0.20058860294164566,0.20079969032005351,0.20348762275630702,0.20653992057697368,0.20839499316099702,0.2116968650345642,0.2179043893580103,0.2179218949440799,0.22101094713920663,0.2230316644616356,0.22310898579100613,0.22781696457798606,0.22843478476480125,0.23157970534433314,0.2318306543893953,0.2333718049244926,0.2336763778043519,0.2361896124743041,0.23677759540723534,0.2369098203802883,0.2371545324420448],"n_dims_used":45,"mean_confidence":0.9171407063802083},"coverage":{"mean_confidence":0.9171407063802083,"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}}