{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004829},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002588","490:4900001670","490:4900004959","490:4900004827","490:4900007621","490:4900007742","490:4900005759","490:4900004830","490:4900002598","490:4900002277","490:4900002288","490:4900005377","490:4900007744","490:4900001410","490:4900004960","490:4900003042","490:4900003585","466:4660007305","490:4900004971","490:4900003990","490:4900006514","490:4900005237","490:4900005243","490:4900004275","490:4900002298"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490],"twin_sims":[0.5453423789214951,0.3911720618889142,0.357155627737078,0.34563385819072917,0.3323383532486672,0.31379779714201833,0.3114110587209256,0.29006779334737737,0.28902010254203414,0.28524270591348894,0.284164082209935,0.28346310527809515,0.27224360483621557,0.2699318192550576,0.2565740775330936,0.23887905754115255,0.23859470159697294,0.22938224754644196,0.22904317221978016,0.22333766377780015,0.2202582957505432,0.2202363576200009,0.218827404074752,0.20886720997306596,0.20303943099106217],"twin_dists":[0.14302023184812593,0.17794300243082245,0.18636727911347836,0.18931185971224523,0.19277519062949505,0.19773419128855563,0.1983844171697333,0.20433187494923025,0.20463035382727943,0.20571191127859983,0.20602232330855355,0.2062244348865322,0.2095015179151203,0.21018699187161463,0.21422109541384646,0.2197757157342621,0.21986711033637205,0.2228674556136704,0.22297938640275594,0.22487950045432864,0.22591847931929587,0.22592591597643757,0.22640457075034645,0.22984897393644244,0.23191635067739239],"n_dims_used":45,"mean_confidence":0.9210027058919271},"coverage":{"mean_confidence":0.9210027058919271,"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}}