{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001572},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001343","480:4800001402","480:4800002442","480:4800002547","480:4800002348","480:4800001682","480:4800001625","480:4800002157","480:4800001282","480:4800001890","480:4800001766","480:4800001492","480:4800002104","480:4800001283","480:4800001946","480:4800002396","480:4800001948","480:4800002219","480:4800001462","480:4800002116","480:4800002491","480:4800001280","480:4800002298","480:4800001708","480:4800001318"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5025848934297168,0.4129376311445837,0.39313833200351544,0.3810404951572308,0.37216766027705506,0.33963244976801643,0.3260214790369979,0.3156589612050539,0.2971913832749433,0.29578918398450876,0.29376320127211003,0.2897286144143975,0.27735563187431933,0.2753191511947779,0.2745478411225956,0.26863589642235086,0.2668278365024926,0.2618037268151675,0.2566983202342104,0.25362901872714355,0.2471169997083189,0.24190034520362583,0.23954026702652917,0.23420712391080103,0.2308697146099904],"twin_dists":[0.1523456756763529,0.17273391879714634,0.17746708232259306,0.1804133454028858,0.18260286652413515,0.19086612670736064,0.1944470495284124,0.1972290987247221,0.20231918826580586,0.2027130902239587,0.20328417373478141,0.20442843386129061,0.20799833822388913,0.20859510942794784,0.20882183956016181,0.21057283704990337,0.2111130972522728,0.2126264069951873,0.21418297329068864,0.21512819014383264,0.21715801676965926,0.21880898361627601,0.21956347028831183,0.22128641643777117,0.22237772000511086],"n_dims_used":43,"mean_confidence":0.9210377183071402},"coverage":{"mean_confidence":0.9210377183071402,"n_dims_used":43,"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}}