{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004881},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006802","490:4900005562","490:4900007161","490:4900006443","490:4900004478","490:4900005827","490:4900005023","490:4900006198","490:4900006193","490:4900004879","490:4900006201","490:4900004053","490:4900006065","490:4900006924","490:4900002970","490:4900006080","490:4900006666","490:4900004064","490:4900006203","490:4900003776","490:4900007168","490:4900004471","490:4900005169","490:4900003505","490:4900007648"],"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":[0.330734238310735,0.2880951556965334,0.22073944029483558,0.2142287381273682,0.1428206360812482,0.14268301710665632,0.13814127995720663,0.13237044081277222,0.12269025211896885,0.1197029964185164,0.11303460600933421,0.11289439223822677,0.1126422714587377,0.10640344934623072,0.1057599750232703,0.1051248497977736,0.1023780666045836,0.09801451843165297,0.0971559821960313,0.09338306621788295,0.09313573696917202,0.08843024636494903,0.08416690615127484,0.08223375106670082,0.08115776442414052],"twin_dists":[0.19319807896732635,0.2048944013607278,0.22575550394540883,0.2279814075540644,0.2562292788431619,0.2562927332578752,0.25841291910363656,0.26118343321990406,0.2660425774676436,0.2676008033887567,0.2711897012384299,0.2712668913095433,0.27140587419605755,0.2749242147143947,0.27529612062726405,0.27566493015441956,0.27728022264204066,0.2799173146163045,0.2804469591564181,0.2828191192653205,0.2829772443038829,0.2860508042858134,0.2889497769144837,0.2903030042255351,0.2910672596433144],"n_dims_used":45,"mean_confidence":0.896711900499132},"coverage":{"mean_confidence":0.896711900499132,"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}}