{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000135},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000559","500:5000000859","500:5000001718","485:4850006859","500:5000002139","485:4850006430","500:5000002387","500:5000000021","500:5000000550","500:5000001206","500:5000002261","500:5000000009","500:5000001649","485:4850006197","500:5000000995","485:4850007652","500:5000001913","485:4850007692","500:5000002145","500:5000000194","500:5000000451","500:5000002280","500:5000002264","500:5000000008","500:5000000930"],"twin_admin_codes":[500,500,500,485,500,485,500,500,500,500,500,500,500,485,500,485,500,485,500,500,500,500,500,500,500],"twin_sims":[0.2415478868137801,0.19600370124753164,0.19500913790046387,0.17840649773946846,0.17653047275825154,0.16993351529209574,0.1673894509212209,0.1653970605354832,0.1646302144908191,0.16320581617307223,0.16291848236512158,0.15892093204076693,0.1576701119208234,0.15346120392445398,0.15200126639509984,0.14899157358848816,0.14283287530081104,0.14155703075369136,0.13724775044594142,0.1356445474675349,0.13411933072730348,0.13249907891026844,0.12543902500731746,0.12523089023958686,0.1206031444127869],"twin_dists":[0.21892135584334535,0.23446728161201155,0.23483295998369902,0.24113958284064732,0.24187788861789863,0.2445194128785081,0.24555773868493538,0.24637886969257758,0.24669681559076173,0.24729024574677136,0.24741040822647523,0.2490983513739826,0.24963284144886233,0.2514544142254649,0.25209480560354103,0.25342939053412844,0.2562236376902319,0.2568136285296126,0.2588361445369666,0.2596007088917486,0.2603343960825401,0.2611206964893262,0.2646340792093538,0.26473990404638814,0.26712816929309374],"n_dims_used":45,"mean_confidence":0.9182643466525607},"coverage":{"mean_confidence":0.9182643466525607,"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}}