{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001311},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001555","491:4910001947","491:4910001379","491:4910002009","491:4910001042","491:4910001378","491:4910001380","491:4910001902","491:4910001484","491:4910000980","491:4910001775","491:4910001852","491:4910001180","491:4910001179","491:4910002102","491:4910001485","491:4910002096","491:4910003325","491:4910001677","491:4910001848","491:4910001027","491:4910002054","491:4910002932","491:4910001159","491:4910001039"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.452041700691835,0.33070009145024415,0.32017055003637424,0.29488028001486194,0.2619918293990787,0.2576349052155524,0.2571497157148778,0.2531864035884368,0.25221802438443885,0.23378688788641114,0.2086573781814789,0.1993984339528294,0.1870961978314761,0.186297651587127,0.18171833656080222,0.1682802204674186,0.16681687318653154,0.15996361618358645,0.15843802191327908,0.1575862986777537,0.1569099783540261,0.15344622391450027,0.151366331851884,0.14745830265006374,0.14214042694240486],"twin_dists":[0.16366049355968515,0.19320709320077856,0.1960116651552408,0.20296900517929986,0.21256942316236793,0.21389596997979315,0.21404456703918304,0.21526509496713994,0.21556515519709812,0.22142326548037938,0.22992272269597885,0.2332287095442928,0.23778967884458974,0.23809288740771625,0.23984954994718877,0.24519289982732845,0.24579299229377957,0.24865513661648173,0.24930433997941434,0.2496687661735443,0.24995916748374009,0.25146096235816706,0.25237472509413583,0.2541169392817368,0.2565433590773106],"n_dims_used":45,"mean_confidence":0.8981294420030382},"coverage":{"mean_confidence":0.8981294420030382,"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}}