{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011022},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010876","490:4900010536","490:4900010779","490:4900010451","490:4900010450","490:4900010452","490:4900010357","490:4900010265","490:4900011257","490:4900010622","490:4900010953","490:4900010274","490:4900010964","490:4900005478","490:4900010693","490:4900010537","490:4900010175","490:4900011323","490:4900010954","490:4900010266","490:4900010623","490:4900009374","490:4900011258","490:4900009164","490:4900010863"],"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":[0.3825439496531466,0.3691812353197371,0.3344756526752502,0.3095125576578616,0.2796211728775736,0.25149707360477275,0.23942321842093095,0.23831439478008384,0.23621642065139015,0.23216415056305462,0.23207366742499727,0.2146578326137368,0.208014376027452,0.2049443325781787,0.19895991739381902,0.1987662063670328,0.19794912947021356,0.18528104111242227,0.17715225584121078,0.1596217481847018,0.15914359737450187,0.1428536339007286,0.14222672053898994,0.14118189232648462,0.13631076947588777],"twin_dists":[0.18004480372234527,0.18334557621528969,0.19221346803780984,0.19890366676193375,0.20733757568974803,0.21578902453615598,0.21960101461493156,0.21995727294839224,0.22063430624669925,0.22195322746373852,0.22198284946437558,0.2278333161109768,0.23014903117433214,0.231236182263958,0.23338787900912195,0.2334582679069201,0.23375569219339346,0.2384802190826789,0.2416325718092442,0.2488002225481392,0.24900352548014637,0.2562140707088165,0.2565034520063806,0.2569878567645131,0.2592821713445339],"n_dims_used":45,"mean_confidence":0.9182593451605903},"coverage":{"mean_confidence":0.9182593451605903,"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}}