{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001975},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001976","489:4890001894","489:4890001993","489:4890002473","489:4890002553","489:4890003491","489:4890002471","489:4890001906","489:4890002633","489:4890002988","489:4890001741","489:4890002987","489:4890001808","489:4890002317","489:4890002831","489:4890002993","489:4890002061","489:4890003446","489:4890002558","489:4890002552","489:4890003150","489:4890003151","489:4890001822","489:4890003554","489:4890002809"],"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":[0.9418838834698973,0.9259494248472198,0.861270165533048,0.8325565979044345,0.8254924040687186,0.8231165562442584,0.8117656081368113,0.7900706939135698,0.785578254376902,0.7616085427610151,0.7508241581044506,0.7493990213365616,0.7437547734420118,0.7403835281619703,0.7360142954514517,0.7330550855422705,0.7312440776009316,0.7291861070922799,0.7272001158522828,0.7233668919703964,0.7148860556713981,0.7130636899528889,0.7055202748051466,0.7035719534450802,0.701566391982],"twin_dists":[0.04494230697206675,0.05094513216500085,0.07098019000699798,0.07862590605493455,0.08043315155588023,0.0810353244495646,0.08387592432739335,0.08915727032005065,0.090229631068054,0.09584747347052704,0.09832515985742382,0.09865054358314714,0.09993483629338813,0.10069870876960145,0.10168529386594968,0.10235138475172482,0.10275821427329304,0.10321979266104055,0.10366450705430422,0.10452092301457566,0.10640709742238046,0.10681093488258606,0.1084774305152987,0.10890657303788207,0.10934779986992585],"n_dims_used":45,"mean_confidence":0.9140526665581598},"coverage":{"mean_confidence":0.9140526665581598,"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}}