{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010270},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009882","490:4900009775","490:4900009774","490:4900010183","490:4900010280","490:4900011110","490:4900010092","490:4900009776","490:4900009677","490:4900011539","490:4900009991","490:4900008831","490:4900012127","490:4900010282","490:4900002415","490:4900010870","490:4900009878","490:4900010777","490:4900010707","490:4900011990","490:4900004796","490:4900008704","490:4900010365","490:4900010439","490:4900010532"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6285610594944713,0.47023744721529803,0.45423482867286974,0.44202050786811903,0.3658954694708923,0.3308562462663274,0.284082255202771,0.23974329390587218,0.23702853843046862,0.23231158799774557,0.20663240181116957,0.20634497883430372,0.19576039552578584,0.19409383137679054,0.18245052530681521,0.18024480777336163,0.1799968922090191,0.177762762214053,0.1773119399561391,0.16392093010788156,0.1562262436603804,0.15344639336344898,0.15163367665159783,0.1464700203787588,0.14259228957667977],"twin_dists":[0.12515509192922727,0.15954143865258033,0.163160917897022,0.16595489849862974,0.18416619843068158,0.19316587495483875,0.20604590085355387,0.21949837598004363,0.22037176559279564,0.22190497625705513,0.23063704439827043,0.23073882103578036,0.23455662048171533,0.2351706430713265,0.23956659593720658,0.24042144717885425,0.24051799159700013,0.24139229910084387,0.24156966927908063,0.24699184996271004,0.2502536827687205,0.2514608882852213,0.25225675754550403,0.25456290795780334,0.25633459148720356],"n_dims_used":45,"mean_confidence":0.9199425591362848},"coverage":{"mean_confidence":0.9199425591362848,"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}}