{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004603},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004880","490:4900007650","490:4900007423","490:4900005422","490:4900005019","491:4910001802","490:4900002369","490:4900005683","490:4900004193","490:4900005286","490:4900003241","490:4900005153","490:4900005557","490:4900007303","490:4900003639","490:4900003770","490:4900003240","490:4900004744","490:4900003774","490:4900007667","490:4900007408","490:4900003632","490:4900005417","490:4900005155","490:4900005285"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.703211639815605,0.42953584271269146,0.36839378147450613,0.3203230062808388,0.25430260662833315,0.24653025056206146,0.2276091175917685,0.18076228267350652,0.17949292596445818,0.17941993935711326,0.16995515335757405,0.1683352722756859,0.16683700898155715,0.15313898224483644,0.14882956713276538,0.14810922463321646,0.14688762583169326,0.13655357377355426,0.1360505473399164,0.1274138132491864,0.11841062918361371,0.11371402805398792,0.11020686811171614,0.10830836178619244,0.108237268800752],"twin_dists":[0.10898588138482677,0.16884183746778325,0.1835419094673684,0.19597069462155195,0.21492013440385838,0.217342583428988,0.223453991621463,0.24022023229140427,0.24071453924209185,0.24074303654872722,0.2445106296559235,0.2451703975113437,0.24578470928524776,0.2515953688147153,0.2535017900262644,0.25382441155466795,0.2543741902659507,0.2591663705010475,0.25940645096153797,0.2636365796237019,0.2682841516203423,0.27081670924053397,0.27276091657098267,0.2738333833546011,0.2738738257218871],"n_dims_used":45,"mean_confidence":0.8970631917317708},"coverage":{"mean_confidence":0.8970631917317708,"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}}