{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002705},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001802","490:4900003829","490:4900002266","490:4900001798","490:4900004103","490:4900004376","490:4900003691","490:4900003683","490:4900001658","490:4900002264","490:4900001953","490:4900007858","490:4900001664","490:4900001800","490:4900002401","490:4900009386","490:4900009387","490:4900007852","490:4900003977","490:4900009993","490:4900007859","490:4900001943","490:4900002417","490:4900010193","490:4900008956"],"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":[0.42748589906619533,0.3889147920200435,0.3583184410455663,0.34884012689363886,0.33367307982261973,0.2928787308847612,0.2790738675320475,0.2683282967829717,0.2631326137060667,0.2598664269976346,0.2572602879886953,0.23314961810488127,0.22549935502387533,0.222524408673592,0.2079299755300036,0.18566377875712328,0.18485860762907275,0.18236173543256456,0.1763554445169123,0.17003538649602404,0.16895710689045582,0.1685902282992864,0.16661259461570616,0.16375646916620776,0.15935163412194223],"twin_dists":[0.16931907565456705,0.17849073758256248,0.18607285885971098,0.1884873540289171,0.19242416944231613,0.20353421842020225,0.20749690212959157,0.21066459026160925,0.21222438153235096,0.21321479369843757,0.21401068693843167,0.2216310994007654,0.22415583887651502,0.2251529584295931,0.23017877181080482,0.2383342199389655,0.23864160711031038,0.23960086595957125,0.24194705471446365,0.24447806879963804,0.24491659064425308,0.24506625371994786,0.2458770645706543,0.24706039107233455,0.24891501665691265],"n_dims_used":45,"mean_confidence":0.921614752875434},"coverage":{"mean_confidence":0.921614752875434,"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}}