{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003651},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003905","489:4890003847","489:4890003713","489:4890003645","489:4890003715","489:4890003898","489:4890003642","489:4890003774","489:4890003706","489:4890003836","489:4890003722","489:4890003646","489:4890004211","489:4890003897","489:4890004253","489:4890003906","489:4890004608","489:4890004541","479:4790001591","489:4890003787","489:4890003648","489:4890003719","489:4890003717","489:4890003647","489:4890003968"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,479,489,489,489,489,489,489],"twin_sims":[0.8681647260656815,0.8596693766587813,0.8400366181784571,0.7514200594865534,0.747169318682542,0.7454271945286899,0.6740211101622788,0.6584301521806545,0.647036628408313,0.6320295480270904,0.6204063304959886,0.6130354799562328,0.5962798438967208,0.5790927379940537,0.5740301300576608,0.5363877011085332,0.5171001067381312,0.5023496845917865,0.4979687661227495,0.48476900980747145,0.4793011449512795,0.47379346750555906,0.4658752328410526,0.43696443370138144,0.4039638193815921],"twin_dists":[0.06905948233700308,0.07142091015777627,0.07668311388830308,0.09818896905539452,0.09915871681309192,0.09955501007803749,0.11536098652938195,0.1187335313495192,0.12118791180167385,0.12441123572930482,0.12690281237812404,0.1284815772154521,0.13206967014900067,0.13575365169058812,0.13684030987034385,0.14495971679173525,0.1491600195661925,0.15239749473944672,0.15336388983083138,0.15629063316343517,0.15751009307984334,0.1587429432445683,0.1605237547383548,0.16712010375470768,0.17486623927068376],"n_dims_used":45,"mean_confidence":0.9198243882921007},"coverage":{"mean_confidence":0.9198243882921007,"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}}