{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010920},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012117","490:4900011303","490:4900011155","490:4900011083","490:4900012181","490:4900011233","490:4900011231","490:4900011589","490:4900008669","490:4900010836","490:4900012183","490:4900012097","490:4900010139","490:4900011249","490:4900010685","490:4900011248","490:4900011152","490:4900011368","490:4900010491","490:4900011841","490:4900011089","490:4900010754","490:4900010753","490:4900011373","490:4900011654"],"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":[0.34267537123864894,0.25603744255818517,0.2382462966911798,0.2280547625792379,0.21216934940290585,0.1857274708547368,0.16939555315551452,0.16868594797326836,0.1447062845504676,0.13340962314144147,0.1331972352286905,0.12334132796869178,0.11102422857398546,0.11026456908021155,0.1083863714436137,0.10304178340193475,0.09542365145421891,0.08991255415455975,0.08232164737078551,0.08155637306575238,0.07370139668091095,0.07105332976352438,0.07084450102066943,0.06917558448231066,0.06689607776578688],"twin_dists":[0.19007624569178255,0.21438588858496993,0.21997918759324925,0.2233062925770526,0.22869495951727875,0.23830994448878576,0.24473803859390153,0.2450271836351954,0.2553643687075707,0.26067792979333865,0.26078100308451724,0.2657068070490526,0.2723035870744477,0.2727285458704825,0.2737890299969704,0.2768868457163219,0.2815269590040848,0.2850688905022635,0.29024092716917743,0.2907831940747375,0.2965995238279416,0.29867317820071865,0.29883935695308517,0.30018190640637454,0.30205885058976223],"n_dims_used":45,"mean_confidence":0.8907019721137153},"coverage":{"mean_confidence":0.8907019721137153,"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}}