{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002030},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001321","490:4900001323","490:4900001322","490:4900001451","490:4900004035","490:4900002047","490:4900003081","490:4900002347","490:4900000581","490:4900000917","490:4900003615","490:4900001881","490:4900001317","490:4900000576","490:4900000181","490:4900003890","490:4900001319","490:4900001450","490:4900001337","490:4900001882","490:4900001071","490:4900001880","490:4900004036","490:4900000690","490:4900003614"],"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":[0.8041709589982884,0.781258182968333,0.7535927069938555,0.7326669097200473,0.6034870508982404,0.5902605882772491,0.5896769460355386,0.5872412300998077,0.5584598241176929,0.5522900884643978,0.5344032663665134,0.5332071635448248,0.5274170170021087,0.5148611153269749,0.4980416333406475,0.4888622096300426,0.48493041030083006,0.4773671011165975,0.4709106788643585,0.4664134119326593,0.46419516048964066,0.46013415184392925,0.4549167720356562,0.45348687319335484,0.45327581842598846],"twin_dists":[0.08574537453778393,0.09125466207456857,0.09769172977618315,0.10243863682962684,0.1305262110716795,0.13335917664453362,0.13348424254737595,0.13400625433933594,0.14018897833323168,0.14151931873575024,0.14539036074844444,0.14565008363886683,0.146909085336251,0.14964991386320603,0.15334779650975727,0.15538054796534947,0.15625470273570247,0.15794248656917476,0.15939011151534255,0.1604023937640242,0.16090292860201139,0.1618214428612229,0.16300575775197068,0.16333119573053964,0.16337926263764632],"n_dims_used":45,"mean_confidence":0.9164338853624132},"coverage":{"mean_confidence":0.9164338853624132,"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}}