{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004363},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004213","490:4900004072","490:4900004079","490:4900004212","490:4900001368","490:4900003938","490:4900003939","490:4900001232","490:4900001501","490:4900003932","490:4900002547","490:4900003385","490:4900004080","490:4900003940","490:4900003380","490:4900003799","490:4900001234","490:4900004214","490:4900004071","490:4900003790","490:4900002681","490:4900002833","490:4900003269","490:4900002398","490:4900001779"],"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":[0.5442066712712806,0.4781163745381001,0.43106724126588586,0.3491689129528469,0.33576107972370695,0.3262951382940592,0.32341681400492717,0.3226034042979297,0.32106045896593555,0.316358565450203,0.31280837322118366,0.30850312098797444,0.3069561855063955,0.2981950886333871,0.28228214998407697,0.27593190867014017,0.2702910686959494,0.2673027413005854,0.2662323563025094,0.26543921830816924,0.2642892803229303,0.2575330163266626,0.2516182187553726,0.24846910871738978,0.23985943949100855],"twin_dists":[0.14326588781280492,0.1577749049379845,0.16848592648574096,0.188403031231682,0.1918765731834011,0.1943742532194456,0.19514162217990438,0.19535916724579544,0.19577266843274727,0.19703967307083772,0.19800339960842722,0.19918049650744296,0.19960574353940339,0.20203790084323772,0.20656562121827826,0.20841526367559768,0.21008023266286507,0.21097097307869506,0.21129152823709257,0.21152957192328908,0.2118754901148886,0.2139271604155154,0.21575137802404448,0.21673376866057056,0.21946115358902935],"n_dims_used":45,"mean_confidence":0.9245440165201823},"coverage":{"mean_confidence":0.9245440165201823,"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}}