{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001367},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770002201","477:4770001597","499:4990001956","499:4990001096","477:4770000493","488:4880000001","499:4990000667","477:4770001610","477:4770001382","499:4990002485","499:4990002228","499:4990001485","485:4850000478","499:4990002145","489:4890001879","477:4770000199","477:4770000082","485:4850000583","489:4890002685","500:5000002259","477:4770000158","489:4890003036","499:4990001610","470:4700008537","499:4990001313"],"twin_admin_codes":[477,477,499,499,477,488,499,477,477,499,499,499,485,499,489,477,477,485,489,500,477,489,499,470,499],"twin_sims":[0.5571002077953408,0.5492043854197876,0.5450329883493322,0.43128124266753,0.39494850080777,0.37732515911473485,0.35573788926605016,0.33848568057313877,0.32425805496479615,0.32417946717084045,0.30849279866702817,0.30285843964231396,0.3020898631703974,0.2994346482162774,0.293712793955718,0.2936996583347079,0.2924622004054066,0.29235315628298336,0.29180538727989086,0.29174381423901324,0.28550313259068777,0.2709723989490098,0.26696904298318247,0.26626755009940434,0.2656022145177207],"twin_dists":[0.14048195557265852,0.14218553290211625,0.14308714472214298,0.1684362315729964,0.17702992185412614,0.1813271083088337,0.1867269135131065,0.19116478890091537,0.19491695405485776,0.1949379285573453,0.1991833300050783,0.20073821723606042,0.2009516130536886,0.2016912810388199,0.20329841217323022,0.2033021227993635,0.2036521289092976,0.2036830133188015,0.20383826068666758,0.2038557223860204,0.20563707020590438,0.20987800024647457,0.2110708221560424,0.21128097579355984,0.21148061591852993],"n_dims_used":45,"mean_confidence":0.9197753058539496},"coverage":{"mean_confidence":0.9197753058539496,"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}}