{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002740},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003449","490:4900001965","490:4900012913","494:4940007788","494:4940008773","494:4940004308","490:4900005511","490:4900003850","494:4940004427","494:4940007889","490:4900003563","494:4940004050","494:4940007792","494:4940005160","494:4940007891","490:4900004272","490:4900002471","490:4900001404","490:4900002579","494:4940007182","490:4900001543","494:4940004415","494:4940007394","490:4900003862","490:4900001562"],"twin_admin_codes":[490,490,490,494,494,494,490,490,494,494,490,494,494,494,494,490,490,490,490,494,490,494,494,490,490],"twin_sims":[0.347968847485753,0.3433867670810181,0.3143232539018123,0.29147837095395274,0.2909841954862884,0.24620144022770693,0.24316423789117694,0.22744231009376817,0.2162636197356144,0.20992538010581155,0.20907372031968363,0.20901679364425127,0.20018585465253266,0.1932024483023989,0.19085726196237704,0.18776156127573573,0.1778550477819593,0.17453904956604513,0.17160923095125882,0.1697376407824789,0.1683631209992434,0.16797692245563908,0.16752416555517338,0.1660845586904656,0.1653317592120021],"twin_dists":[0.18871101068279322,0.18989212259722035,0.1975914181618906,0.20393102539205857,0.20407132559030092,0.21744613684803374,0.2184068935192134,0.22350932547403107,0.22728088368334257,0.22947782917963377,0.22977644177929654,0.22979643113553888,0.23294350247419224,0.235500565526672,0.23637366841222066,0.23753773270322437,0.24135602996566813,0.24266774492370297,0.2438415755742424,0.24459895790114772,0.24515901641792248,0.24531696734643121,0.24550247307967127,0.24609472637891086,0.24640590307275398],"n_dims_used":45,"mean_confidence":0.9206274244520399},"coverage":{"mean_confidence":0.9206274244520399,"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}}