{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003898},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004184","490:4900002180","490:4900003893","490:4900002793","490:4900002483","490:4900001471","490:4900001598","490:4900001740","490:4900001342","490:4900002176","490:4900003227","490:4900004597","490:4900004032","490:4900000475","490:4900002188","496:4960004665","490:4900000953","490:4900003617","490:4900001430","490:4900002031","490:4900001600","490:4900001450","490:4900003073","490:4900002341","490:4900001193"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8989624550538341,0.80064702591066,0.7929393217064251,0.7057405016622261,0.6723788510187417,0.6677015002691284,0.6300615581374334,0.6252001259520241,0.6115373895880968,0.6056143838319634,0.6013776500097217,0.6006545875671503,0.5832225781752315,0.5804930145229092,0.5638679115075123,0.5505008692291337,0.544092050031467,0.5340211429585345,0.5307728671137302,0.5268318928379542,0.5262881855846262,0.523682744740253,0.5199929999400217,0.5143160460450988,0.5112900119048657],"twin_dists":[0.059943515346458795,0.08660497784278641,0.08846894835662435,0.10842889065878812,0.11571712319711187,0.11673022700187927,0.12483333488700651,0.12587558040560848,0.12880238770406413,0.13007068670043606,0.13097791142598153,0.13113275127392415,0.13486780908981968,0.1354532391117208,0.13902458815327573,0.14190554382477813,0.14329068567787484,0.14547332252502895,0.1461790399411156,0.14703647837327313,0.14715488200990745,0.14772264990834433,0.14852780807346694,0.14976925486830678,0.1504323703246304],"n_dims_used":45,"mean_confidence":0.9176139831542969},"coverage":{"mean_confidence":0.9176139831542969,"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}}