{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700002903},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700001641","470:4700001494","488:4880000404","481:4810002711","470:4700002904","470:4700002576","470:4700005114","470:4700003782","488:4880000866","499:4990001610","481:4810003390","481:4810004982","470:4700002088","470:4700002417","480:4800005609","481:4810002854","472:4720000171","470:4700005376","470:4700001925","481:4810002334","481:4810003828","472:4720001954","470:4700002101","479:4790003915","479:4790001792"],"twin_admin_codes":[470,470,488,481,470,470,470,470,488,499,481,481,470,470,480,481,472,470,470,481,481,472,470,479,479],"twin_sims":[0.26190036412794326,0.20141189470548712,0.19364196019644642,0.18587831914232208,0.18391495066298363,0.1667898696138347,0.16522737815594626,0.16270753187386305,0.154398350408593,0.15140428012446175,0.1498882492796654,0.14507120992764902,0.14131931190603264,0.13786778878612513,0.1346663337246495,0.133157527351922,0.1328501190489396,0.13100396454830668,0.1269618952173751,0.12127643365525324,0.11779455589161482,0.1176702658530335,0.11642750976361282,0.11550619379867272,0.11513678257435811],"twin_dists":[0.21259712846486328,0.23250096041470764,0.23533775953915873,0.23825247387587367,0.23900306530058135,0.24580410154492444,0.24644913066252908,0.24749872510755075,0.25104569251181524,0.25235797086155837,0.2530297188332678,0.2551979513716534,0.2569239940466605,0.2585422418471667,0.2600705501086968,0.26080028729580196,0.26094972730301835,0.26185271407281985,0.2638638115701504,0.2667764083362191,0.2686119157330247,0.2686781998023265,0.26934393303105114,0.2698410023437282,0.2700411630971206],"n_dims_used":43,"mean_confidence":0.9105996420217115},"coverage":{"mean_confidence":0.9105996420217115,"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}}