{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004037},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890004036","489:4890003910","489:4890004159","489:4890003959","477:4770000472","489:4890004446","489:4890004643","489:4890004412","489:4890004152","489:4890004190","489:4890003889","489:4890003964","489:4890004630","477:4770000527","477:4770000579","489:4890003844","489:4890004134","489:4890004189","477:4770000798","489:4890004091","489:4890004558","489:4890003890","477:4770000804","477:4770000529","489:4890004035"],"twin_admin_codes":[489,489,489,489,477,489,489,489,489,489,489,489,489,477,477,489,489,489,477,489,489,489,477,477,489],"twin_sims":[0.9316494480568853,0.8935000463754309,0.7401393114052642,0.7036784031278472,0.664410744625452,0.6563822403072719,0.6561601159216047,0.6183597352487121,0.6134004403723319,0.6101469152364992,0.6009833737417637,0.5917783712329031,0.5858251929298688,0.5701072365521915,0.5673555953953855,0.5540006913788834,0.5520131470517148,0.5489080483332905,0.5486664284524666,0.5385475440875119,0.5372988504933024,0.5361803084333319,0.5360902283526767,0.534974675000007,0.5297434275155994],"twin_dists":[0.04887101673732712,0.0616346859639348,0.10075395402976334,0.10888313920505162,0.11744197792029548,0.1191752492902856,0.11922314397031519,0.12734124204588207,0.12840341985985662,0.12910014078162502,0.13106234310661025,0.13303396749241167,0.1343097924993145,0.1376829818182538,0.13827443590994007,0.14115024861213527,0.1415790868877409,0.14224954524704997,0.14230174227820433,0.14449136415624952,0.14476209325337167,0.14500470840274568,0.1450242513793966,0.14526632611069726,0.14640288311436486],"n_dims_used":45,"mean_confidence":0.9207574632432726},"coverage":{"mean_confidence":0.9207574632432726,"n_dims_used":45,"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}}