{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001400},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004478","490:4900004052","491:4910001340","490:4900004340","490:4900003920","490:4900002970","490:4900006802","490:4900004205","490:4900006201","491:4910002159","491:4910001913","490:4900003505","490:4900003378","490:4900003915","490:4900004881","490:4900004345","491:4910001401","490:4900005156","490:4900002963","490:4900003779","490:4900005562","490:4900002819","490:4900002674","490:4900006553","490:4900003776"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,491,491,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.13800341508933192,0.11849827044029984,0.11754088892183734,0.11035227392351733,0.10462283346619937,0.08362092545848873,0.08255785244105483,0.08045809310503874,0.07263495282839517,0.06205609912666246,0.0601579913080042,0.05883644834494716,0.05497308004967499,0.054813460867963786,0.053985149034739624,0.05042979336549976,0.048919268934568015,0.04562703887618151,0.0427484114003396,0.04201149409687749,0.04056053392831355,0.039319797346869696,0.03888533686101444,0.03730698546812681,0.036102552566780154],"twin_dists":[0.2584780857916998,0.2682376307784706,0.2687472537366143,0.2726793678342367,0.2759576735677027,0.2893294313362874,0.29007436877797366,0.29156858918270057,0.2974272660692958,0.30622390811086136,0.3079302451237439,0.3091445907751009,0.31282834446400476,0.31298509140888664,0.313804621178375,0.3174454025761494,0.3190571796111888,0.32271940476864663,0.3261077383794563,0.3270059075813486,0.3288138742365613,0.330403714735904,0.3309704496174163,0.3330755081056062,0.3347332795228524],"n_dims_used":45,"mean_confidence":0.8977240668402777},"coverage":{"mean_confidence":0.8977240668402777,"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}}