{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011713},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011982","490:4900011712","490:4900011648","490:4900011714","490:4900010682","490:4900011846","490:4900010935","490:4900011382","490:4900011653","490:4900011010","490:4900010595","490:4900011651","490:4900011911","490:4900011983","490:4900011094","490:4900012100","490:4900011972","490:4900010318","490:4900011014","490:4900011976","490:4900010679","490:4900010399","490:4900012167","490:4900010680","490:4900009859"],"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":[0.5515676617929566,0.4000339589925841,0.36055178337051136,0.32024042122635604,0.24858379921054868,0.23529083521382665,0.21678843573702652,0.19822770334905127,0.18757044700359407,0.182882864457992,0.18005698994049255,0.1684565538305787,0.16788208712713168,0.16462105206590924,0.1617944565719917,0.15385007659570574,0.14537472231023332,0.12405108018408781,0.12377232160876135,0.11785635969026408,0.11408109163233396,0.10601172195134018,0.10434956082058515,0.09968266487933455,0.08639209129571661],"twin_dists":[0.14167523933750223,0.17580667947572073,0.18550875422740126,0.19599288686914246,0.2166978506807496,0.22093424890438215,0.22710093282749885,0.23365419333036072,0.23761003574117168,0.2393998950333393,0.24049457941767083,0.24512084259104472,0.2453557939047626,0.2467006209334154,0.24788195466544735,0.25128459210706,0.25505977640564986,0.2653423095329774,0.2654852780141578,0.2685789756195519,0.2706159107144323,0.27515041074346086,0.27611748835654637,0.278898528603919,0.28742248951918037],"n_dims_used":45,"mean_confidence":0.8911822848849826},"coverage":{"mean_confidence":0.8911822848849826,"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}}