{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007205},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007200","490:4900005977","490:4900005976","490:4900007449","490:4900007438","490:4900007197","490:4900006225","490:4900006949","490:4900006830","490:4900007448","490:4900006466","490:4900007439","490:4900008033","490:4900008248","490:4900007075","490:4900006230","490:4900007319","490:4900007198","490:4900008480","490:4900006582","490:4900005980","490:4900006104","490:4900007083","490:4900007082","490:4900007804"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0031033032437826204,0.002712075884639349,0.0023780653266826826,0.001235233136252823,0.0008503162520997512,0.0008267025996901035,0.0003839173097777072,0.00012797618344543503,0.00006312263424687943,0.00006169184412458847,0.000051523449253629545,0.00005047123777916908,0.00004946598496127038,0.000033655952236202896,0.000021096830969413795,0.000015927300798491467,0.000014231593847361105,0.000005948512690823314,0.000004783030476502107,0.000004356924420664295,0.0000026756308124323504,0.0000025517274685895012,0.00000249064252259908,0.0000020633304891086656,0.0000015672849986853503],"twin_dists":[0.44139323595155155,0.446512979974497,0.45145044355388625,0.47529433316657455,0.4883661425226416,0.4893378917465963,0.5150987656338772,0.5498974249295803,0.5711652311789948,0.5718419195727805,0.5771302351041817,0.5777329584791706,0.5783200321628416,0.5894447897390628,0.6026620600219789,0.6104785024246205,0.6135809099463062,0.6371099990102588,0.6428573604613648,0.6453009431187448,0.6579222943156079,0.6591367580422013,0.659756511221004,0.6645511175935386,0.6714941986057774],"n_dims_used":45,"mean_confidence":0.9167761908637153},"coverage":{"mean_confidence":0.9167761908637153,"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}}