{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002555},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800004556","480:4800004900","480:4800004728","480:4800004555","480:4800003900","480:4800004641","480:4800002800","480:4800004056","480:4800004465","480:4800004981","480:4800004298","480:4800002556","480:4800003333","480:4800002845","480:4800004727","480:4800004640","480:4800003282","480:4800004642","480:4800003693","480:4800003977","480:4800003623","480:4800002799","480:4800004215","480:4800003103","480:4800005068"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5440272538964372,0.4620146262069644,0.41754219651357233,0.3942581766254558,0.36157313619671655,0.3492180011332509,0.3092626042953414,0.30486455557794334,0.283482012616448,0.2796942403296021,0.2782463753695241,0.2734478399725741,0.24539645246307562,0.2380958552564671,0.23142831466568164,0.22714981941069673,0.22075479770653794,0.20461288716213735,0.19807278235392345,0.1967095395004139,0.19489753433078344,0.18798618566433262,0.18099294356606077,0.1790153168012025,0.17891687722594826],"twin_dists":[0.14330470448531135,0.16139576581526213,0.17164766384028707,0.17719652728139523,0.18525137208322362,0.18839044530638013,0.19897216608150484,0.20018269568903288,0.20621897941006617,0.20731631931918873,0.2077381553176817,0.20914586681570005,0.21770003069479643,0.22002761561834266,0.2221943430913126,0.22360641623554617,0.22575030593281037,0.23135421666335576,0.23371062687899902,0.23420854061440802,0.23487407477116926,0.23745281792332348,0.2401306734879357,0.24090116896116107,0.2409396789194974],"n_dims_used":42,"mean_confidence":0.9106599716913133},"coverage":{"mean_confidence":0.9106599716913133,"n_dims_used":42,"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}}