{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000952},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000830","490:4900000044","490:4900000042","490:4900000419","490:4900000280","490:4900000832","490:4900000948","490:4900000951","490:4900000626","490:4900000703","496:4960008970","490:4900000957","490:4900000829","490:4900000161","490:4900000195","490:4900002039","490:4900000836","490:4900001735","490:4900000265","490:4900000733","490:4900004027","490:4900000246","490:4900002501","490:4900000288","490:4900000241"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5118293590347263,0.5097378841248233,0.4888547058453019,0.46402293145727486,0.379719567821349,0.3729808912632318,0.36916916811544065,0.368944325538983,0.3302029331091072,0.31137361161742494,0.309335048120188,0.27842815076186,0.2578095070588276,0.24588436371713868,0.24396058311972124,0.2397467620995193,0.2366255803018344,0.22639567284099243,0.22424136065446115,0.22415186132681061,0.21741699603442943,0.21338765926427633,0.20672517850387315,0.20231300205951527,0.19412422653445327],"twin_dists":[0.15031410723003405,0.15077288461120586,0.15538221423754958,0.16094182573449312,0.18073772269085586,0.1824011315063361,0.18334858331507484,0.18340462216155173,0.1933383930266324,0.19839464160332,0.1989523096986886,0.20768512177806128,0.21384253860636687,0.21754607918304772,0.21815424071412448,0.21949726432201266,0.2205019599536584,0.2238571341258583,0.2245764086206613,0.22460638956490792,0.22688579512625967,0.22827226771255968,0.23060421276227047,0.23217688398877356,0.2351594116784145],"n_dims_used":45,"mean_confidence":0.9166592915852865},"coverage":{"mean_confidence":0.9166592915852865,"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}}