{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010225},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010566","490:4900008658","490:4900010483","490:4900007999","490:4900008660","490:4900008438","490:4900007773","490:4900010565","490:4900008659","490:4900010574","490:4900008109","490:4900010131","490:4900011220","491:4910005663","490:4900010229","490:4900008228","490:4900010916","490:4900010051","490:4900010925","490:4900008005","490:4900008779","490:4900010650","490:4900009753","490:4900011690","490:4900008004"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.3326795421795769,0.2976522822233778,0.27308560105996027,0.2719922694740954,0.25327320343547133,0.20062483558846883,0.18866440169553755,0.18718371683543264,0.16699017948362677,0.13500400190499517,0.12932965587571535,0.12317956885539347,0.11765698654156977,0.11719266177298679,0.10845531074077795,0.09573129397552274,0.09094269978318816,0.09045771022234078,0.08907738254233288,0.08756259203626186,0.08268896437310556,0.08021988706281065,0.07894338924412264,0.07787747623995571,0.07786928954850063],"twin_dists":[0.19268538793791515,0.2021899526232109,0.20925274667452584,0.20957586773480338,0.21523823500978015,0.2327848373210414,0.23719686248454802,0.23775650308792637,0.24572172503882017,0.2599080777899211,0.2626799823584724,0.2657901026413688,0.26868528485144827,0.26893340716748304,0.2737498542924606,0.28133404323769295,0.28439402935789904,0.28471099371336833,0.28562053351384575,0.2866316343380653,0.2899820804814514,0.29174006622763377,0.2926659990673626,0.2934484369476167,0.29345447964439647],"n_dims_used":45,"mean_confidence":0.8868136935763888},"coverage":{"mean_confidence":0.8868136935763888,"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}}