{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004181},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003614","490:4900001337","490:4900002030","490:4900001885","490:4900003207","490:4900001325","490:4900002493","490:4900003890","490:4900000691","490:4900001071","490:4900007265","490:4900001874","490:4900000711","490:4900004187","490:4900002036","490:4900000917","490:4900000956","490:4900004036","490:4900000562","490:4900003081","490:4900001697","490:4900004728","490:4900000916","490:4900001595","490:4900002952"],"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":[0.5338982018997963,0.4692900719866631,0.44890760486948195,0.4394368405602397,0.4392998716238446,0.3992638646709985,0.39103346833465424,0.3906810082520097,0.3860778200930677,0.37670644514249707,0.3642306866743348,0.3626383867678709,0.3621686745063256,0.3530644755050225,0.34818048421547537,0.3460674505456931,0.3441463431318161,0.34237500569194385,0.3423711870983659,0.34231300607467763,0.3422918380451582,0.3371324849132151,0.33649721044813086,0.33439732111940124,0.3318939966224087],"twin_dists":[0.14550001648365335,0.15975451092664242,0.16437597639823692,0.16654966514262284,0.1665812337979052,0.17599145718284687,0.17797658995121649,0.17806203214397137,0.1791812669456964,0.1814797006465708,0.1845833909986878,0.18498332120806443,0.185101466383708,0.18740709307736828,0.1886566566663842,0.1892001242255152,0.18969575348672368,0.19015404730518615,0.19015503664342712,0.19017011117058444,0.1901755960821461,0.19151791409972135,0.19168395702146274,0.19223402049545024,0.19289222311823337],"n_dims_used":45,"mean_confidence":0.9171637641059027},"coverage":{"mean_confidence":0.9171637641059027,"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}}