{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001415},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001758","480:4800001474","480:4800001482","480:4800001981","480:4800002100","480:4800001645","480:4800001301","480:4800001705","480:4800001541","480:4800001425","480:4800001362","480:4800002047","480:4800001924","480:4800001358","480:4800001370","480:4800002035","480:4800002408","480:4800002526","480:4800001424","480:4800001875","480:4800001371","480:4800001701","480:4800001481","480:4800002468","480:4800002518"],"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":[0.6527750616707189,0.5976627065629968,0.5741503607773084,0.5505629101053348,0.502437590650075,0.4653419398514567,0.4161508385250008,0.3928916019925947,0.38055081348448455,0.355336361483899,0.30650890433154665,0.3048256740201289,0.28998890964302393,0.27515496225235475,0.2602456726501159,0.23608681327036818,0.2254095029550463,0.1893764936564543,0.18773525130808869,0.16283178932110703,0.1609350151037136,0.15641160422302447,0.1555507788533747,0.14577552113488595,0.14050197831441522],"twin_dists":[0.11995266680588343,0.13177348883092913,0.13681449262545503,0.1418921481599896,0.152378127303041,0.16064406165892078,0.1719753503453024,0.17752674047433187,0.18053353207918627,0.18682890240541886,0.19972892958284552,0.20019344235919084,0.20435432589077476,0.20864334088450998,0.213099394809525,0.22067626013177227,0.22418582621370448,0.23692881482416095,0.23754768332100656,0.24744669324529214,0.24824410954773532,0.2501737467682861,0.25054556208410167,0.25487763849027406,0.2573045147584967],"n_dims_used":43,"mean_confidence":0.9130507180857104},"coverage":{"mean_confidence":0.9130507180857104,"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}}