{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011024},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011669","490:4900010799","490:4900008833","490:4900011265","490:4900010715","490:4900011802","490:4900011988","490:4900011540","490:4900009883","490:4900011043","490:4900011254","490:4900011180","490:4900011735","490:4900011108","490:4900010358","490:4900010789","490:4900010538","490:4900010539","490:4900010798","490:4900011602","490:4900004659","490:4900011026","490:4900011671","490:4900009782","490:4900010782"],"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":[0.5257545899842607,0.25206519031816627,0.23994413464234246,0.23809990435814407,0.21897725327674047,0.16006965654064567,0.14987550479492243,0.12830380545481695,0.12535295000122218,0.12101860950777077,0.11672447202177154,0.09665796513161161,0.08994202807029314,0.08575849698779985,0.08105471133807889,0.07912536114228487,0.07456018239147685,0.07032883037736846,0.06329766279603832,0.058647824614159315,0.05559504619095117,0.05505685756710255,0.054498042844116315,0.05214114616730072,0.05185524775051415],"twin_dists":[0.14727110991647838,0.2156125790708818,0.2194340178311999,0.22002631192652206,0.22635356542826637,0.2486101797969667,0.25303538702397416,0.26319085502161976,0.2646778273363256,0.2669109324089312,0.2691843592485092,0.28075588054391926,0.285049496878324,0.2878541434166238,0.29114088140699634,0.29253327111180805,0.29593996820357105,0.2992514186584894,0.3051308072329452,0.3093197407163068,0.3122211404189068,0.31274622515207795,0.3132959481308795,0.31566719585157493,0.3159608531776634],"n_dims_used":45,"mean_confidence":0.9057744344075521},"coverage":{"mean_confidence":0.9057744344075521,"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}}