{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011916},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010680","490:4900010773","490:4900011846","490:4900011784","490:4900010774","490:4900011712","490:4900011648","490:4900012167","490:4900011967","490:4900011782","490:4900010681","490:4900011983","490:4900011911","490:4900010935","490:4900011714","490:4900012052","490:4900008128","490:4900008672","490:4900010858","490:4900012100","490:4900011913","490:4900008126","490:4900012051","490:4900009012","490:4900009849"],"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":[0.2479775472476868,0.2334794828717958,0.2291122577305422,0.22610113244827515,0.21178372086616462,0.18474028677457086,0.17395832422064403,0.16722450156300595,0.14999590891600012,0.14766420642987943,0.13963863040670044,0.13042911108874788,0.12467343902969653,0.11874377517740906,0.10746880961785021,0.1048748383332637,0.10247522683131736,0.09988376051161409,0.09765026751494915,0.09551775574025001,0.08929393492814271,0.0886540556311001,0.08546749876563785,0.08543090574638648,0.08318321237870553],"twin_dists":[0.21688783301221864,0.22152347354152052,0.2229565719882337,0.22395520522276566,0.22882909548609992,0.23868685736198847,0.24289928712856063,0.24562545149036097,0.2529818506836448,0.25402430210849225,0.25770825388102025,0.26213584231872583,0.2650239961259144,0.2681074545305918,0.27431229574370153,0.27581058432637506,0.27722251283897537,0.27877661793895864,0.28014158011567314,0.28146789640185177,0.2854771050043266,0.2859017151708414,0.28805324562918033,0.2880783209359606,0.28963523263599017],"n_dims_used":45,"mean_confidence":0.8919279310438368},"coverage":{"mean_confidence":0.8919279310438368,"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}}