{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001496},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001366","490:4900001235","490:4900001369","490:4900001500","490:4900001502","490:4900003249","490:4900004489","490:4900001777","490:4900001637","490:4900003941","490:4900001107","490:4900001638","490:4900001108","490:4900002681","490:4900001243","490:4900004074","491:4910001341","490:4900004215","490:4900004211","490:4900003796","490:4900001780","490:4900001370","490:4900001122","490:4900002399","490:4900002692"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.640319005725444,0.6398586921951642,0.5402270064721731,0.4119058266939296,0.34981149939608525,0.3116275079608192,0.3091515976809294,0.28716688999918494,0.2753889353103962,0.25604926132650097,0.23479044393372464,0.2071159589910268,0.20630419515083398,0.194643865492234,0.188870270393903,0.18799731286735466,0.1822572693286393,0.1782629139609194,0.17178522064585688,0.16283693206053398,0.16108748101228615,0.15605251039207488,0.1531532895829187,0.1524826916245754,0.14746862684330783],"twin_dists":[0.12263188697226068,0.12273076111604408,0.14412742983373594,0.17297804779039433,0.1882383491582328,0.198325332343644,0.19900259745522478,0.20515990670192744,0.20857461527238297,0.21438225685215273,0.22109672591562166,0.2304660344367955,0.23075327040502833,0.23496758728257153,0.23711929614758467,0.2374486133548205,0.23964120159090996,0.24119589445951917,0.2437706623734256,0.24744454038229324,0.24817976057857477,0.2503286674840792,0.25158910551416985,0.2518831348052116,0.2541122920991204],"n_dims_used":44,"mean_confidence":0.9106249375776811},"coverage":{"mean_confidence":0.9106249375776811,"n_dims_used":44,"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}}