{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001249},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001529","487:4870001447","487:4870001160","487:4870001259","487:4870000318","487:4870001643","487:4870000331","487:4870001155","487:4870000143","487:4870001065","487:4870000569","487:4870000713","487:4870001068","487:4870001262","487:4870000377","487:4870001061","487:4870001828","487:4870000319","487:4870000445","487:4870000496","487:4870000113","487:4870000087","487:4870000634","487:4870000451","487:4870000637"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.5860427277623826,0.4574786310970282,0.44523121369815,0.39516972780186177,0.36800300099938177,0.3527335404107806,0.33380214340734793,0.3217229319800155,0.29702198968479065,0.2850496508093137,0.2718627259544888,0.2695708741985185,0.264402922551115,0.2604654721878968,0.2592770339697534,0.25399007393022804,0.22961545645826886,0.22881948933981502,0.2246300010882082,0.22420313029108835,0.2151168845990267,0.2137773650973241,0.2080513852494539,0.2024546277045515,0.195583211524838],"twin_dists":[0.13426315926279064,0.16242362208158428,0.16521765847564374,0.1769765585736555,0.18363941923232652,0.18749147634205646,0.1923902674745788,0.19559499338318276,0.20236671567811132,0.20576741772378446,0.20961420571884762,0.21029434346787518,0.211841263110595,0.21303256141692065,0.21339434779530658,0.2150166249501099,0.22279053536985116,0.22305328540308555,0.22444631213674254,0.2245892142494271,0.22767510665266094,0.22813740428748863,0.23013599263872847,0.23212603967266376,0.23462172872999384],"n_dims_used":43,"mean_confidence":0.9067892917366915},"coverage":{"mean_confidence":0.9067892917366915,"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}}