{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000375},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000017","491:4910000473","491:4910000423","490:4900000977","491:4910000064","492:4920006622","491:4910000474","491:4910000422","491:4910000123","491:4910000031","491:4910000374","491:4910000883","491:4910000697","491:4910000120","490:4900000854","491:4910000122","491:4910000632","491:4910000576","491:4910000026","491:4910000011","491:4910000575","492:4920006620","491:4910000047","491:4910000096","492:4920006092"],"twin_admin_codes":[491,491,491,490,491,492,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,492,491,491,492],"twin_sims":[0.4102840306862421,0.24870834730154995,0.22301018329373898,0.1877378220171031,0.15386016867929694,0.15143186964141697,0.1231469813981989,0.11110971558299207,0.11055181824809798,0.10889925496858417,0.10780535623290419,0.09442957141656685,0.08421655316260612,0.0758356320935088,0.0728377011562707,0.07041313000541387,0.06563479337560678,0.061933938485456405,0.060816238221517764,0.06013074717092963,0.05934737485379394,0.05695124960492534,0.04681627296885295,0.044347965952783425,0.04167723472181108],"twin_dists":[0.1733623113980905,0.21665885759152018,0.2249895361612943,0.2375467110173917,0.2512801890479515,0.252345791976745,0.26580689317183726,0.2722559058316844,0.27256759142127684,0.2734980379937354,0.2741199695875317,0.28215369105448784,0.2889153518398358,0.29497163870627885,0.297269145428418,0.29918388930549183,0.3031198938667233,0.306332427240041,0.3073335581312854,0.30795505679039153,0.3086724724132614,0.3109163569445683,0.3213717577409794,0.3242021234684294,0.3274176898744349],"n_dims_used":45,"mean_confidence":0.8910612318250868},"coverage":{"mean_confidence":0.8910612318250868,"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}}