{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011578},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011166","490:4900011165","490:4900010770","490:4900011376","490:4900011837","490:4900011841","490:4900011442","490:4900011573","490:4900011583","490:4900010851","490:4900011160","490:4900011380","490:4900011249","490:4900011099","490:4900010760","490:4900011437","490:4900011703","490:4900010855","490:4900011699","490:4900011316","490:4900011644","490:4900011373","490:4900011231","490:4900011512","490:4900011510"],"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":[0.15724227040164818,0.14718411330830583,0.10428970345335266,0.09347687165866993,0.09209563759502151,0.0918616183354478,0.09133857829908197,0.09116559896325424,0.08210608094082304,0.07207908634896572,0.07132093739573248,0.07127489407729597,0.07093869322347682,0.06802972434820234,0.06133377655138418,0.061270224419648175,0.05817151237171542,0.05745968697541886,0.05692391133868487,0.05369157052384595,0.05190486134772031,0.05108044895619042,0.05072798407647857,0.05071100216662896,0.04922875758710179],"twin_dists":[0.24981637260779524,0.25424044696430226,0.27615253753083335,0.28275923306342793,0.28364586259382035,0.283797121294542,0.28413629364412746,0.2842488024584892,0.2903932662732909,0.29786261866326746,0.2984608031956257,0.2984972973777877,0.29876435291256276,0.30111900785857104,0.30686813467235957,0.30692511318335514,0.3097641034467737,0.310433805022456,0.3109424039559415,0.31409758851007036,0.3159097968198712,0.3167634995797103,0.3171319880085881,0.3171497956777904,0.31872359895762536],"n_dims_used":45,"mean_confidence":0.8899378458658854},"coverage":{"mean_confidence":0.8899378458658854,"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}}