{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002363},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001944","489:4890002442","489:4890002114","489:4890001781","489:4890001948","489:4890002032","489:4890001864","489:4890001861","489:4890002444","489:4890002690","489:4890002521","489:4890002440","489:4890002776","489:4890001794","489:4890002211","489:4890001863","489:4890001951","489:4890002128","489:4890002605","489:4890002210","489:4890003107","489:4890001696","489:4890003106","489:4890002194","489:4890002691"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.921502394238695,0.8667808503582835,0.8473220311588657,0.8278567569355496,0.7520441918790345,0.7474035159964328,0.7468490460485697,0.7392804111250425,0.7316377408910222,0.7131018221647373,0.6981694651195931,0.6944010205817118,0.6893113708007415,0.6831312501512213,0.6741418486347701,0.6628119742588294,0.6605477654697313,0.6588453825334405,0.6463685805374656,0.6442149098189869,0.6418157492500189,0.6367016789988537,0.6357128489418572,0.630099791834059,0.6272573083280484],"twin_dists":[0.052514891045301264,0.0694480312268842,0.07475953968240281,0.07983112038424368,0.09804623934171182,0.09910539211441487,0.099231620764768,0.10094815376616562,0.10266983231233932,0.10680248985236725,0.11009395542390896,0.11092005780605944,0.11203316746750716,0.11338098837873445,0.1153347943691241,0.11778748619845039,0.1182764952899507,0.11864393698968918,0.12133160427088749,0.12179469846820194,0.12231032998450914,0.12340865613041153,0.12362090817310169,0.12482513549759323,0.12543461167736025],"n_dims_used":45,"mean_confidence":0.9196027119954427},"coverage":{"mean_confidence":0.9196027119954427,"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}}