{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011697},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011827","490:4900011964","490:4900011901","490:4900011434","490:4900012169","490:4900011762","490:4900012098","490:4900011834","490:4900011963","490:4900011696","490:4900011892","490:4900011701","490:4900011768","490:4900012042","490:4900011574","490:4900012033","490:4900011441","490:4900011645","490:4900011765","490:4900011449","490:4900011003","490:4900011978","490:4900011631","490:4900011637","490:4900011454"],"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":[0.30318804522741705,0.2524707977171643,0.17856216584245987,0.17382177544143926,0.16160933774067177,0.14951447576583393,0.1390762834231803,0.12494142269477077,0.12402801352535343,0.1231948863065679,0.11947872747416034,0.10623858359905786,0.10219257610273944,0.10201580285244505,0.09985947530339466,0.09755968582726436,0.09560963002832017,0.09492847592927528,0.09198785789769413,0.09025117121193181,0.08999021210389717,0.08946765066669585,0.08946348148522883,0.08772063634758347,0.0853932156623274],"twin_dists":[0.20064679850341977,0.21548676067650108,0.24107856825065177,0.24295381089185514,0.2479598425819936,0.25319610468269604,0.25797223431309574,0.26488730429747925,0.2653541305824294,0.2657822115666007,0.26771898112415654,0.275019334525225,0.2773905163946687,0.2774957723768063,0.2787913302072382,0.2801974522535392,0.281410277579809,0.2818385033546861,0.2837154883768549,0.2848463857071594,0.28501780297489854,0.2853622476299175,0.2853650021374456,0.28652549592093285,0.2881041569525073],"n_dims_used":45,"mean_confidence":0.8900259229871962},"coverage":{"mean_confidence":0.8900259229871962,"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}}