{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012675},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012812","490:4900012878","490:4900012674","490:4900012804","490:4900012807","490:4900012803","490:4900012254","490:4900012982","490:4900012742","490:4900012531","490:4900012985","490:4900013149","490:4900012871","490:4900012678","490:4900012741","490:4900012740","490:4900012319","490:4900012390","490:4900012320","490:4900013021","490:4900012322","490:4900012802","490:4900012806","490:4900012677","490:4900013056"],"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":[0.5061738357955586,0.4532250657875605,0.3037718403250729,0.2971401908339884,0.2848151755032392,0.26770806376278117,0.260593325861983,0.26048644118228015,0.2565347257742112,0.22561741963638937,0.2207875637559434,0.21707225883005335,0.20270441799089242,0.18454535945219233,0.16439497093397684,0.15379456498407262,0.13434882517075708,0.12907586196254445,0.12444211140455896,0.09957319703104216,0.09767500777692854,0.09528377364256639,0.09394781217992884,0.08325937933823985,0.0777039000244417],"twin_dists":[0.15155580520591355,0.1633908225831049,0.20048501987099368,0.2023335498462877,0.20583486356790615,0.2108497967122242,0.21299370186408728,0.2130261873273483,0.21423317238124648,0.22411644791585345,0.22573921643922737,0.22700373664691947,0.23203642322411894,0.23876144925970674,0.24679456559393095,0.25130881496498864,0.26022360161841607,0.26280608553775237,0.26514217026868475,0.27896497252504787,0.2801263270272208,0.2816148351958973,0.2824592950704854,0.2895819275751001,0.29357666522182935],"n_dims_used":45,"mean_confidence":0.911920166015625},"coverage":{"mean_confidence":0.911920166015625,"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}}