{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001018},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001930","491:4910001022","491:4910001465","491:4910000952","491:4910000957","491:4910001016","491:4910001768","491:4910000954","491:4910000950","492:4920006708","491:4910001145","491:4910001213","492:4920006363","492:4920007023","492:4920005385","491:4910001828","492:4920004539","491:4910001639","492:4920007020","491:4910001825","492:4920005554","492:4920004431","492:4920005327","492:4920005843","491:4910001757"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,492,491,491,492,492,492,491,492,491,492,491,492,492,492,492,491],"twin_sims":[0.5755694801135629,0.5157398270409231,0.47479512735230905,0.41799206760389246,0.3752536958900211,0.3717098633656071,0.35692131108138164,0.3531778722507968,0.34736186576800687,0.3195184714609531,0.3081963582745284,0.3020668793993797,0.29617496441062335,0.2683066965241537,0.26330567849779546,0.26204752835773953,0.261013982074651,0.2525334798548803,0.25196625538390627,0.24839725859144512,0.24305620807923892,0.23624237675256288,0.2322964270407391,0.2320531918588466,0.23204342880196674],"twin_dists":[0.13650980377884428,0.1494575885877868,0.15851838289496678,0.17154181220181494,0.18183847132637287,0.18271652620520612,0.1864266668811222,0.1873781881423808,0.1888669965677963,0.19618702604000204,0.19926472675626847,0.20095799937771833,0.2026046084045328,0.21067103580397398,0.21217211819264054,0.21255255463004274,0.2128659330275006,0.2154673283220932,0.21564328800268348,0.2167562756025887,0.21844120880656662,0.22062590606978885,0.22190993698843364,0.22198955372555731,0.22199275055477782],"n_dims_used":45,"mean_confidence":0.8991434733072917},"coverage":{"mean_confidence":0.8991434733072917,"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}}