{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001552},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001401","490:4900004540","490:4900003846","490:4900001834","490:4900004681","490:4900003570","490:4900006015","490:4900003999","490:4900004131","490:4900004261","466:4660004118","490:4900001148","490:4900004405","490:4900001673","490:4900003039","490:4900004535","490:4900001844","490:4900003988","490:4900005771","490:4900004548","494:4940008565","490:4900005640","490:4900001822","487:4870000841","494:4940008830"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,494,490,490,487,494],"twin_sims":[0.3638904505788375,0.2999885892093465,0.27004254981009373,0.26669221189721093,0.25316825879837745,0.24041249723107624,0.23549429120275503,0.23144083761884016,0.19501150672405068,0.17666444770809342,0.17453153281277245,0.17364914520876853,0.16962470871702304,0.1689678167692147,0.16801617776987932,0.16590457070389877,0.15438928006027952,0.15411554516650877,0.14971128072310105,0.14650039926148384,0.14010345571282512,0.1351530780289269,0.13358322317262222,0.13341003564556442,0.13129982210271518],"twin_dists":[0.18466877203352586,0.2015366533992139,0.21015407639127465,0.2111537143125399,0.21527071055908995,0.21928406982761608,0.2208682514345994,0.2221902354054599,0.23483208748544726,0.24182497856487478,0.24267073842878495,0.2430227857403105,0.24464484979446485,0.24491222520767175,0.24530090043409636,0.24616903334284676,0.251049639679438,0.2511688416151015,0.2531084585083152,0.2545491661992876,0.25749065076651323,0.25983644538287703,0.2605937721105132,0.2606777297223766,0.26170736259624977],"n_dims_used":45,"mean_confidence":0.9159205118815105},"coverage":{"mean_confidence":0.9159205118815105,"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}}