{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000738},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000853","480:4800000740","480:4800000739","480:4800000774","480:4800000483","480:4800000896","480:4800000667","480:4800000737","480:4800000701","480:4800000629","480:4800000627","480:4800000669","480:4800000592","480:4800000589","480:4800000778","480:4800000854","480:4800000814","480:4800000775","480:4800000517","480:4800000552","480:4800000704","480:4800001387","480:4800001099","480:4800000481","480:4800000809"],"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":[0.6919804148066777,0.6578115564565555,0.5432057907878669,0.39977400571620647,0.39450271530001746,0.35199461794965053,0.2935801025474226,0.289923205618135,0.2828381209830092,0.27281089279219894,0.2605055995169422,0.24869192403129592,0.24405370649424674,0.24321934513622973,0.1963391523999678,0.19548874299458135,0.19104138759578587,0.19098854823431888,0.18558205275541353,0.18514320999226713,0.1833168151498061,0.17916965628153436,0.17836449968439635,0.1776433529834182,0.16821600992040034],"twin_dists":[0.11144981091737004,0.11886698535095937,0.14348245607065194,0.17586903499371542,0.17713749398577472,0.18768003879925993,0.20333590012601785,0.20437302856777706,0.20640489007471507,0.2093338584333969,0.21302036391830645,0.21666399861643168,0.21812473068931154,0.21838939269346527,0.234344234036715,0.2346564589720611,0.23630484947153385,0.23632459401416925,0.23836537736495025,0.23853284810491798,0.23923285217876805,0.24084082096140735,0.24115605058027828,0.24143924796241686,0.2452191524514466],"n_dims_used":43,"mean_confidence":0.9249838895575945},"coverage":{"mean_confidence":0.9249838895575945,"n_dims_used":43,"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}}