{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770003333},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770003012","477:4770002856","477:4770002697","477:4770003086","477:4770003484","477:4770003092","477:4770003259","477:4770003085","477:4770002767","477:4770002773","477:4770003397","477:4770002854","477:4770003481","477:4770002281","477:4770003260","477:4770002857","477:4770003084","477:4770003469","477:4770003345","477:4770002426","477:4770003097","477:4770002710","477:4770003470","477:4770002776","477:4770002851"],"twin_admin_codes":[477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477,477],"twin_sims":[0.8515448682759041,0.6949952717662722,0.6839904371044582,0.6550467510219827,0.597932109948303,0.5559086127545559,0.5252149814750675,0.49597470390634746,0.48227965929003314,0.4788450376638582,0.44685367798408476,0.44348322544710345,0.4370423458690516,0.416907140784007,0.4072152654679572,0.3861427146744663,0.37322822383596277,0.3600625068060252,0.36001149670007915,0.35464638000067056,0.3484111786703717,0.34763723733077745,0.34382627309972796,0.34121057362738094,0.3385504264556511],"twin_dists":[0.07362934782341128,0.11078990113600205,0.11319384409162474,0.11946316350667012,0.13171579043139428,0.14073881206122774,0.14738867422742105,0.15380455496193213,0.15684527610443738,0.15761201417509105,0.16484588400196187,0.16561877558366206,0.16710210829848135,0.17179717122425806,0.17409124712290974,0.17916544458246028,0.1823398197244092,0.18563218414327445,0.1856450574005553,0.1870042983691999,0.1885974279075083,0.18879621211602265,0.1897784713473862,0.1904560070922963,0.19114791213281562],"n_dims_used":45,"mean_confidence":0.9217503865559896},"coverage":{"mean_confidence":0.9217503865559896,"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}}