{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004338},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003625","489:4890003624","489:4890004230","489:4890004697","489:4890004185","479:4790004103","489:4890003747","489:4890004567","489:4890004976","489:4890004975","489:4890004233","489:4890004287","489:4890003946","489:4890004330","479:4790003495","489:4890004286","489:4890004484","489:4890004056","479:4790004178","479:4790002482","489:4890003994","489:4890004232","489:4890004390","489:4890003815","489:4890004366"],"twin_admin_codes":[489,489,489,489,489,479,489,489,489,489,489,489,489,489,479,489,489,489,479,479,489,489,489,489,489],"twin_sims":[0.8719944107292437,0.8710010013245308,0.8401051853551161,0.8364328262895093,0.8207439662996184,0.7880139203462527,0.7759505069627212,0.771597040333193,0.7630827045765957,0.7427699861666937,0.7413368255836521,0.7220990817357684,0.7128287208414039,0.7047703052079475,0.6942011971736816,0.6901973085474195,0.6892116990748784,0.688409370451385,0.6844190658455437,0.6776207917436752,0.6688842917177164,0.6654324375565694,0.6640189171616789,0.6614348613291058,0.6597256388325614],"twin_dists":[0.06797593067867706,0.06825819361129398,0.07666515832119966,0.07762303021752841,0.08163395676462092,0.08964906206100418,0.09250611389742414,0.09352637481729253,0.09550656842472678,0.1001582171831638,0.10048294349781338,0.10480362835099027,0.10686296804500518,0.10864268099319217,0.11096381509996822,0.11183962102054228,0.11205493688565596,0.1122301351799797,0.1131004543243566,0.11457954656961603,0.1164742020233418,0.1172210843917306,0.1175266722008479,0.11808494804061163,0.11845396671592391],"n_dims_used":45,"mean_confidence":0.9172133551703558},"coverage":{"mean_confidence":0.9172133551703558,"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}}