{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800005253},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004643","480:4800004475","480:4800005167","480:4800004300","480:4800005339","480:4800004388","480:4800004482","480:4800005419","480:4800004301","480:4800004223","480:4800005740","480:4800004654","480:4800004987","480:4800004740","480:4800004906","480:4800005252","480:4800004478","480:4800004905","480:4800005254","480:4800005505","480:4800004557","480:4800003834","480:4800005424","480:4800004069","480:4800004818"],"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":[0.8395107051997364,0.7021219393590948,0.6118996674975389,0.600067493099712,0.5174739507899323,0.5138932084542114,0.4988352282677683,0.46167154392762333,0.45869988377537935,0.3719515884544211,0.35529418165912424,0.35199702791963067,0.3353644715262201,0.33145305246771223,0.31110082044776505,0.3070002545219052,0.30227262801781923,0.2986321833262083,0.27625502762190546,0.2726939077787736,0.267862928323897,0.26462290191055476,0.26197209889404866,0.26125349961327515,0.2572085888948204],"twin_dists":[0.07682074291850037,0.10922563094591846,0.12872480858947663,0.13125847692589948,0.1490782723089741,0.1498618552732842,0.15317256757942888,0.16147338248433607,0.162146529570373,0.18265650320892143,0.1868396196235808,0.18767942347442676,0.19198044462566888,0.19300844154957966,0.1984691448210746,0.19959361206343773,0.20090083965457864,0.2019155792073092,0.20832052588831904,0.20936841527349032,0.2108035280262008,0.21177503534424125,0.21257539912126566,0.2127932404529085,0.21402652674891168],"n_dims_used":42,"mean_confidence":0.9180093492780413},"coverage":{"mean_confidence":0.9180093492780413,"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}}