{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003239},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003640","490:4900003773","490:4900003242","490:4900003374","490:4900003772","490:4900003504","490:4900003375","490:4900004336","490:4900003630","490:4900004331","490:4900003635","490:4900002817","490:4900003238","490:4900004193","490:4900003369","490:4900004054","490:4900002966","490:4900002066","490:4900003778","490:4900003631","490:4900003243","490:4900004195","490:4900002964","490:4900003240","490:4900002967"],"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":[0.797391311729099,0.6252016103162047,0.5417179105166157,0.5366228174389297,0.5270290639282155,0.4457453725368315,0.44098654275307,0.38970285820226863,0.35599819979209807,0.3416486147748521,0.3406264769868936,0.33318337277011734,0.3240029915560636,0.30701696850313664,0.26693449339728703,0.26144605717927577,0.24849553306142222,0.23925557314597767,0.2307252305539424,0.22887010727510537,0.22502140238164656,0.22263115527694946,0.21781677856904874,0.21490540191226898,0.19899250292000223],"twin_dists":[0.0873949617859407,0.12587526225874324,0.1438045338662859,0.14490871498219368,0.14699354688637756,0.16509978740331582,0.16619275685087823,0.17829934129521083,0.18666082585050925,0.19034235002976424,0.19060768220751612,0.19255286896469428,0.19498503890475896,0.19958901124163358,0.21108116449806094,0.21273483035360713,0.21672549232440633,0.21965480904426046,0.22242519871941996,0.2230365583769677,0.2243154426922694,0.22511702679680154,0.2267491788313022,0.2277479645353366,0.23337604303540654],"n_dims_used":45,"mean_confidence":0.8989995320638021},"coverage":{"mean_confidence":0.8989995320638021,"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}}