{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012033},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011964","490:4900011827","490:4900011828","490:4900011831","490:4900012098","490:4900012169","490:4900012165","490:4900011631","490:4900012042","490:4900010494","490:4900011697","490:4900011892","490:4900012094","490:4900011458","490:4900011821","490:4900009949","490:4900012104","490:4900011822","490:4900012178","490:4900011762","490:4900008783","490:4900007886","490:4900011294","490:4900011779","490:4900011625"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4883669641316742,0.29406173527991086,0.2840772045378616,0.19955946026770738,0.149438611808785,0.13488639659757806,0.12516765191070156,0.12220452550417221,0.12179074520427531,0.09766014561247886,0.09755968582726436,0.08505495891992987,0.08459268015931065,0.08150620609944946,0.07953209531071274,0.0728020294540829,0.07045791637134766,0.06904741436752035,0.06327365010280285,0.06158414274837974,0.06110317002314151,0.06097783478024843,0.058151833142744,0.05585991039614904,0.05487416959215316],"twin_dists":[0.1554905375353005,0.20319987714284557,0.20604735628076037,0.23317032204724158,0.25322991304485043,0.25996463007779946,0.26477208363480464,0.2662939595704876,0.26650870805652005,0.2801354896184929,0.2801974522535392,0.2883364348070189,0.288655071259855,0.29081888397050404,0.29223748814759715,0.2972969394586932,0.2991480392688915,0.30028609601351475,0.3051517812828467,0.3066441359592307,0.3070751197670605,0.3071878858740431,0.30978252706319315,0.3119642672327024,0.3129254306288918],"n_dims_used":45,"mean_confidence":0.8909775627983941},"coverage":{"mean_confidence":0.8909775627983941,"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}}