{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002394},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002989","490:4900002084","490:4900003530","490:4900002091","490:4900002377","490:4900002527","490:4900003120","490:4900003122","490:4900004226","490:4900004356","490:4900003650","490:4900003949","490:4900002549","490:4900004087","490:4900002696","490:4900003670","490:4900002977","490:4900002383","490:4900003128","490:4900001506","490:4900001928","490:4900002984","490:4900003654","490:4900002092","490:4900003388"],"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":[0.2787351699035607,0.15678897593055816,0.11747242690602583,0.10394946078025709,0.09000488106849187,0.08082571653983775,0.07880611895281717,0.0742985179496004,0.07167852978954589,0.07166391949558856,0.06800077755609739,0.06699401574180694,0.06140201876482562,0.05932470351954891,0.058956053986700986,0.05690826124985256,0.054463545668628474,0.05239622051738611,0.0511592998011697,0.050839212565793816,0.050670530642010575,0.049818685986790644,0.048706049602068445,0.04633257353411861,0.04455092224511182],"twin_dists":[0.20759559583668794,0.2500112203225877,0.26878381837935633,0.2763520630920464,0.2850081568730228,0.29130474552243274,0.29276628491887735,0.29614027608934335,0.29817802173627866,0.2981895530236625,0.30114284677298986,0.30197714578049495,0.3068070051416491,0.30869335064129305,0.30903376824696016,0.3109573195001898,0.31333003675006665,0.3154063260429742,0.3166813537471005,0.3170154734559491,0.3171922551818094,0.31809256202782477,0.31928802270754275,0.3219163909705694,0.3239644788525093],"n_dims_used":45,"mean_confidence":0.9168813069661458},"coverage":{"mean_confidence":0.9168813069661458,"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}}