{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004207},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003884","480:4800003960","480:4800005553","480:4800004109","490:4900000570","480:4800005564","494:4940007698","494:4940008315","480:4800005135","480:4800004041","490:4900001047","490:4900000677","480:4800004126","490:4900001046","494:4940008427","493:4930000143","493:4930000688","494:4940008316","490:4900000466","480:4800004693","493:4930001835","480:4800003963","480:4800005227","490:4900000467","480:4800005038"],"twin_admin_codes":[480,480,480,480,490,480,494,494,480,480,490,490,480,490,494,493,493,494,490,480,493,480,480,490,480],"twin_sims":[0.6190858914639219,0.4902389673249976,0.4836824762534849,0.4669865304853537,0.462968658423131,0.4337291326000023,0.42869683579418516,0.42807355475464137,0.4149855824480882,0.4098878974737639,0.40150229458141556,0.3927586446997748,0.38514725997182436,0.38386342634753934,0.38279069119201115,0.35926657182051835,0.35227731886112,0.3518367619927065,0.34897509557623685,0.34725555155484683,0.34178306556570687,0.34090746387424775,0.33105707286895286,0.32977967617250015,0.32914946071433937],"twin_dists":[0.12718568921264636,0.15507495838458685,0.15653261018346,0.16027320685150412,0.16118003846729803,0.16786849556377456,0.16903704980529197,0.16918217036438604,0.17225014861429888,0.17345627111803796,0.17545481146653244,0.17755889613929673,0.17940829187403015,0.17972193263656355,0.1799843864821755,0.1858331579868989,0.18760787324422687,0.18772034810559046,0.18845273395975665,0.1888943326234202,0.19030748016176313,0.19053469965825867,0.19311288091911,0.1934502609585658,0.1936169748330119],"n_dims_used":43,"mean_confidence":0.9207490433094113},"coverage":{"mean_confidence":0.9207490433094113,"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}}