{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000030},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001080","499:4990000432","477:4770003575","477:4770003633","499:4990000980","499:4990000584","499:4990000324","499:4990000813","499:4990000197","499:4990000731","499:4990000280","477:4770003737","499:4990000881","499:4990000382","499:4990000565","499:4990000495","499:4990000013","499:4990001261","499:4990000724","477:4770003576","499:4990000498","472:4720000677","477:4770003785","499:4990001263","477:4770003909"],"twin_admin_codes":[499,499,477,477,499,499,499,499,499,499,499,477,499,499,499,499,499,499,499,477,499,472,477,499,477],"twin_sims":[0.9028356449600883,0.8982237578736141,0.8835868082712212,0.8768145620811633,0.8740652341057876,0.8641435677539281,0.8621945505381905,0.8577513126065215,0.8478188749016172,0.8393424024198503,0.839292387368503,0.8354997087023052,0.8276085337686002,0.8250624319232811,0.824895260779715,0.8241225233525318,0.8237501845918984,0.8231176924424232,0.8172736486494727,0.8146401137524378,0.8117197013624832,0.8035458800545824,0.7967724814295484,0.7956976582823037,0.7955071174747725],"twin_dists":[0.05872129624938094,0.06017438844222238,0.06461584978398927,0.06659402315194736,0.0673847785607598,0.07018423965359862,0.07072481815791595,0.07194649623361395,0.07462716352399214,0.0768647531235772,0.0768778286147949,0.07786520438866247,0.07989445708727463,0.08054233538232759,0.08058476094484004,0.08078069221850023,0.08087499647310005,0.08103503712911762,0.08250481570251773,0.0831620410442374,0.08388729639265242,0.08589820342663024,0.087544674304091,0.08780437316909545,0.08785036807522527],"n_dims_used":45,"mean_confidence":0.9214848836263021},"coverage":{"mean_confidence":0.9214848836263021,"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}}