{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001914},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001271","491:4910001385","491:4910001070","491:4910001339","491:4910001860","491:4910001265","491:4910001337","491:4910001338","491:4910001203","491:4910001510","491:4910001567","491:4910001006","491:4910001267","491:4910001689","491:4910001205","491:4910001964","491:4910001384","491:4910001504","491:4910001266","491:4910001804","491:4910001742","490:4900007534","491:4910001270","491:4910001005","491:4910001965"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491],"twin_sims":[0.7390350892379755,0.4180602721609841,0.355369010143938,0.31717220044523714,0.27561251554306765,0.2710352149466824,0.25181919105240147,0.23935334974947195,0.2246481595403915,0.21463965210023955,0.20286047498407073,0.18723577233362593,0.14566233304251316,0.143671383497,0.13456414895398386,0.13137056866532454,0.11488914352738941,0.11132948692435686,0.11090184045838028,0.09856046173950245,0.08925093324421862,0.08521160113194326,0.0785692464151571,0.07677556125245802,0.07149710191900249],"twin_dists":[0.1010035945340038,0.17152576837626107,0.18682060735498426,0.19681967003203818,0.2085089757723134,0.20985937101574167,0.2156889502742694,0.21962343126853795,0.22444023730001175,0.22783958661256212,0.2319804736492976,0.23773677561460196,0.254929037762155,0.25583801471566914,0.2601197775628601,0.26167264219059866,0.2701756196940892,0.27213345607556294,0.2723718996759988,0.27958240452501754,0.28550556421536377,0.2882287786642224,0.29293966784772824,0.2942664081387046,0.29832135032362395],"n_dims_used":45,"mean_confidence":0.896218024359809},"coverage":{"mean_confidence":0.896218024359809,"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}}