{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":498,"cluster_id":4980000231},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["498:4980000191","498:4980000273","498:4980000192","498:4980001253","498:4980000190","498:4980001062","498:4980000372","498:4980000232","500:5000005963","500:5000010142","500:5000006109","500:5000010039","498:4980000161","500:5000009481","500:5000010141","498:4980001242","500:5000007134","500:5000006614","500:5000008686","498:4980000220","500:5000009254","500:5000008319","500:5000008295","500:5000008447","484:4840006253"],"twin_admin_codes":[498,498,498,498,498,498,498,498,500,500,500,500,498,500,500,498,500,500,500,498,500,500,500,500,484],"twin_sims":[0.8944775742976417,0.8864598112774535,0.7661789943977958,0.7303321467615014,0.7046874827395532,0.6719834375635881,0.6708077402491538,0.6561855495191821,0.6556164098028109,0.6278858079951913,0.6258184440734768,0.5924156746323718,0.5887726720121416,0.5870849339397765,0.5862441585860929,0.5828738994347399,0.5809552219554152,0.5802980775036012,0.5787249909031349,0.5734659559457262,0.569295678855222,0.5688196316928259,0.5684247938503441,0.5657994427051217,0.5640572357800625],"twin_dists":[0.0613347160083865,0.06376281530583287,0.09478870791579024,0.10296284432906465,0.10866092569819501,0.11580283771322478,0.11605761936789559,0.11921766010651166,0.11934036568200419,0.12529986891028022,0.12574305072783198,0.13289742699628512,0.1336780282259189,0.134039755350132,0.1342199792572502,0.13494258126440065,0.1353540910206664,0.13549505694415492,0.13583255751023546,0.13696146265601275,0.1378573890918284,0.137959706667823,0.13804457718167887,0.13860907274242718,0.13898385240264644],"n_dims_used":45,"mean_confidence":0.9270139906141494},"coverage":{"mean_confidence":0.9270139906141494,"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}}