{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000368},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000336","480:4800000337","480:4800000425","480:4800000424","480:4800000566","480:4800000967","480:4800000639","480:4800000335","480:4800000458","480:4800000540","480:4800000434","466:4660009816","480:4800000493","480:4800000617","480:4800000338","480:4800000582","480:4800000369","480:4800000304","480:4800000675","480:4800000457","480:4800000427","480:4800000645","480:4800000319","480:4800000578","491:4910001520"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,466,480,480,480,480,480,480,480,480,480,480,480,480,491],"twin_sims":[0.2757052074217352,0.2526236545388162,0.2418390738707697,0.229209154198119,0.17481262889887209,0.14355719757468854,0.13320329539774367,0.1273181720945436,0.12685294854631055,0.10635845633324965,0.10434603478128997,0.10092335455103446,0.09682519769131757,0.09318163936513414,0.09224982186830101,0.09075573656444946,0.0803664532437521,0.0755276944017755,0.07194380460030705,0.07180463754076932,0.07143365155159939,0.068782640434208,0.06744344005298329,0.06713021931619034,0.06683395026980896],"twin_dists":[0.20848177250939795,0.21543937827316015,0.21882851077300786,0.22292458109457475,0.24255885602066207,0.2558904294103315,0.26077806033131706,0.2636846186066113,0.2639186834294004,0.2749501622079349,0.27611955257670334,0.2781494285270763,0.2806520065234869,0.2829478724933405,0.2835463712854589,0.2845160600817178,0.29163450960726606,0.29520421692009186,0.29796898200231603,0.29807856929942106,0.2983715458835008,0.3005018298764616,0.30160345678941347,0.3018636795551346,0.3021107310443963],"n_dims_used":42,"mean_confidence":0.91097168695359},"coverage":{"mean_confidence":0.91097168695359,"n_dims_used":42,"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}}