{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001766},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001659","480:4800001946","480:4800001708","480:4800002348","480:4800001709","480:4800001598","480:4800001546","480:4800002442","480:4800001882","480:4800002299","480:4800001658","480:4800001824","480:4800001342","480:4800002397","480:4800001948","480:4800001656","480:4800001657","480:4800002298","480:4800002491","480:4800002501","480:4800001439","480:4800002157","480:4800001319","480:4800002163","480:4800001767"],"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":[0.841883494527962,0.8338104525210099,0.7755825886863627,0.6517864239624492,0.6402435275988678,0.6347557299089989,0.6337869814402366,0.6267778503506232,0.5725173720938325,0.5474118937945911,0.5460983210660367,0.5266871672880763,0.5266439841872896,0.5094899599283329,0.4868290481525488,0.4863680061648953,0.4549325463888252,0.44267377477991354,0.43382210908151564,0.4327178835081168,0.4312790042570288,0.418736941926338,0.4093370724121511,0.4091557371165435,0.4073578399368892],"twin_dists":[0.07619851209043257,0.07830239956792212,0.0925925499104141,0.12016560578847948,0.12264810006588332,0.12382632082758992,0.12403419778357602,0.125537395143128,0.1371651921676333,0.14257282090445728,0.14285676979544157,0.14706799276075197,0.14707739636913347,0.15082730024897306,0.15583231052808455,0.155934832527188,0.16300216967617467,0.16580472902147278,0.16784695711979913,0.168102876207321,0.16843675131976424,0.17136665509369273,0.17358698889255442,0.17363003899125978,0.17405732720734254],"n_dims_used":43,"mean_confidence":0.9198598639909611},"coverage":{"mean_confidence":0.9198598639909611,"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}}