{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002670},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002669","480:4800003165","480:4800002613","480:4800002860","480:4800003204","480:4800003506","480:4800002942","480:4800003631","480:4800002664","480:4800003698","480:4800003567","480:4800003249","480:4800003505","480:4800003078","480:4800003240","480:4800003285","480:4800003341","480:4800002846","480:4800002847","480:4800003760","480:4800002616","480:4800003348","480:4800003035","480:4800002982","480:4800005586"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.7640188240892343,0.64162535420751,0.4403061050258459,0.3611324391024018,0.3593201348810757,0.31454565231068615,0.3028727875869869,0.2885414698200561,0.2775395836929118,0.24952207756078632,0.24693712260352754,0.24404772354260906,0.24318220277021022,0.23873715359388006,0.21853711110681837,0.2111900096375912,0.20347884964518678,0.18977615767597655,0.18779297634946718,0.1752065333358104,0.16909655633734114,0.16736983988867818,0.16588643425569702,0.1646992944976203,0.15303900349447186],"twin_dists":[0.09528979750241323,0.122351239244353,0.16634940645095092,0.1853623828201752,0.18581962615795136,0.19753103059232355,0.2007342365157816,0.2047669274799209,0.20794456487474594,0.21640440495940494,0.21721456859879285,0.21812662641853456,0.21840118799471617,0.21982131610379194,0.22650344670959524,0.22903593445342618,0.23175906390764148,0.23677868100167637,0.23752585257816947,0.24240228911293107,0.2448597654352075,0.2455657866256325,0.24617652409266622,0.2466681301765156,0.2516391483371332],"n_dims_used":42,"mean_confidence":0.9111913953508649},"coverage":{"mean_confidence":0.9111913953508649,"n_dims_used":42,"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}}