{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770000732},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001039","477:4770001154","477:4770001153","477:4770001505","477:4770001388","477:4770000849","489:4890004102","477:4770001277","477:4770000848","477:4770001562","477:4770000974","477:4770000847","477:4770001093","477:4770001446","477:4770001274","489:4890003604","477:4770001503","489:4890003191","477:4770000971","477:4770000910","477:4770000978","477:4770000973","477:4770001035","477:4770000972","489:4890003540"],"twin_admin_codes":[477,477,477,477,477,477,489,477,477,477,477,477,477,477,477,489,477,489,477,477,477,477,477,477,489],"twin_sims":[0.734124369566463,0.7126988105447204,0.6769265673739948,0.6713362805334986,0.6044097860299915,0.5392619987105325,0.5249388924423029,0.47825464563902603,0.45680056523608803,0.44672806193786846,0.43199784481359343,0.41177261893953887,0.3914117904392426,0.38617235150448376,0.38341630726474746,0.3527553931309566,0.34341141583281914,0.3308239499612315,0.32433329511271775,0.3218588888523641,0.32177366922737066,0.3142953480223051,0.31039937216037516,0.3007637428493384,0.29917228361053805],"twin_dists":[0.10211089065962092,0.10689173275340526,0.11473034283907509,0.11594309514417894,0.13032862510900767,0.1443365177044802,0.14744883607635897,0.15774398865105294,0.16257758489223,0.16487464954166894,0.1682698965714456,0.17300958468437563,0.17788491842626744,0.17915821905699225,0.17983128144021956,0.18748590297157405,0.1898857466630494,0.19317439893446606,0.1948968756627629,0.19555855510788933,0.19558139411002545,0.19759899712454787,0.19866089223850664,0.20132055621413855,0.2017645761809278],"n_dims_used":45,"mean_confidence":0.9207863701714409},"coverage":{"mean_confidence":0.9207863701714409,"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}}