{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011365},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010828","490:4900011161","490:4900010771","490:4900011317","490:4900012050","490:4900011019","490:4900011384","490:4900008115","490:4900008450","490:4900008776","490:4900011098","490:4900010769","490:4900011632","490:4900011222","490:4900011823","490:4900009526","490:4900011643","490:4900009525","490:4900011562","490:4900011364","490:4900010322","490:4900010939","490:4900011840","490:4900010232","490:4900011649"],"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":[0.1272892126216859,0.11248619619029139,0.08820920351258481,0.0788760307532726,0.06585247677918143,0.027345199764898825,0.02661485122664859,0.023542987658502518,0.01548623583515018,0.014470679088892812,0.01160705023542736,0.010134649157991232,0.009192820531846883,0.005563962113044228,0.005529672876054556,0.005229068337927616,0.004953884580202536,0.004425509158054695,0.004300587255259332,0.004125964031768495,0.00396441568579521,0.003495019213523689,0.0033762402083686418,0.0032147626591632287,0.002857589806770301],"twin_dists":[0.2636991698654527,0.2714920317304243,0.28619834487970935,0.2927151917890573,0.3029355887865678,0.34845178643262836,0.3497597781117177,0.355625055343275,0.37496650069336485,0.3780053035979618,0.38772016008443033,0.3935773478532164,0.3977355008698509,0.41848795719776355,0.4187370440628165,0.42098258254974985,0.42314308812458556,0.4276153712444461,0.42874334816735693,0.4303710355817056,0.4319336013397209,0.43682705691184115,0.4381601258045188,0.44004273597210025,0.44453427426025127],"n_dims_used":45,"mean_confidence":0.8865428500705295},"coverage":{"mean_confidence":0.8865428500705295,"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}}