{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000615},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000157","490:4900000833","490:4900000521","490:4900000619","496:4960007564","490:4900000283","490:4900001065","496:4960009283","496:4960007563","490:4900000181","490:4900000326","490:4900000727","490:4900000517","490:4900000071","487:4870004420","490:4900000328","490:4900000475","490:4900000032","496:4960008382","487:4870003398","496:4960012059","490:4900000020","490:4900004597","490:4900002507","490:4900000196"],"twin_admin_codes":[490,490,490,490,496,490,490,496,496,490,490,490,490,490,487,490,490,490,496,487,496,490,490,490,490],"twin_sims":[0.6532875721331322,0.45822327774194976,0.4004032579755461,0.38655126359042236,0.371860209641138,0.34857434932169834,0.34538005828721546,0.34417298473897695,0.33326344406000674,0.33024078482785274,0.3251686250848412,0.32286278518063355,0.31832299647642165,0.3161838334007138,0.31584215747143635,0.3154118461338669,0.3153732910626272,0.31482720044505635,0.3129016533877881,0.30236286657000777,0.29216829077716316,0.29095762267436737,0.2906391307155447,0.2868784919662838,0.28214415373362883],"twin_dists":[0.11984225730389143,0.16225463609581567,0.1757181266191535,0.17906586261075164,0.18267919130383956,0.188555547737165,0.18937729763299027,0.18968887015952365,0.19253181844787443,0.19332839255213077,0.1946741353035487,0.1952897630808601,0.19650904347027323,0.1970869614947316,0.1971794733448136,0.1972960646910193,0.1973065154497521,0.19745461692466784,0.1979779987086663,0.20087577732080583,0.20373538813239261,0.204078873828869,0.20416937618663475,0.20524249982488832,0.20660554555658664],"n_dims_used":45,"mean_confidence":0.9177514817979601},"coverage":{"mean_confidence":0.9177514817979601,"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}}