{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001561},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001131","491:4910001321","491:4910001621","491:4910001860","491:4910001194","491:4910001123","491:4910001624","491:4910001052","491:4910001503","491:4910001510","491:4910001182","491:4910001327","491:4910001127","491:4910001385","491:4910001188","491:4910001804","491:4910001001","491:4910001124","491:4910001689","491:4910001800","491:4910001128","491:4910001192","491:4910001121","491:4910001964","491:4910001187"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.42669476218244123,0.42459990404088743,0.33154175090609356,0.28753174041532803,0.2842008618379321,0.2753198504685559,0.2591591556104176,0.24687471180748988,0.23402852894013612,0.23240334444084246,0.21097672601659323,0.19696633543506745,0.19453923791261257,0.18468521322496723,0.1719227705299812,0.17167598796300712,0.14276270329030116,0.13670937298626834,0.1173730230167232,0.11144978703718032,0.10809216700955693,0.1038499165277505,0.09883708297568417,0.09235986672570258,0.08691730348314926],"twin_dists":[0.16950350811304335,0.16999255277996858,0.1929850567557093,0.2050554898804025,0.20601172699927633,0.20859490404988487,0.21343028936032798,0.21723419620550732,0.22134455585184934,0.22187495768909318,0.22911033516012555,0.23411456579449466,0.23500618185881,0.2387079264732281,0.24371527430568524,0.243814670407869,0.25625598539945044,0.25909214625508104,0.26883693774854456,0.27206650763464324,0.2739564331095153,0.27641053415863126,0.2794132657055058,0.283475442384502,0.287066579730351],"n_dims_used":45,"mean_confidence":0.8957848442925347},"coverage":{"mean_confidence":0.8957848442925347,"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}}