{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001322","490:4900001323","490:4900002030","490:4900004036","490:4900001451","490:4900003890","490:4900004035","490:4900000581","490:4900003081","490:4900000576","490:4900003887","490:4900000690","490:4900001071","490:4900001325","490:4900002047","490:4900001880","490:4900000917","490:4900000181","490:4900000956","490:4900002341","490:4900002347","490:4900001193","490:4900001450","490:4900000479","490:4900001740"],"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":[0.9061193587883011,0.876720852013616,0.8041709589982884,0.6709118999046173,0.6522807806069504,0.6498086151471834,0.6459058082319379,0.606173334429113,0.6009056311361466,0.5477331893870641,0.5428052349044974,0.5249956465567802,0.5115059649468517,0.5086604845279363,0.5051288748011885,0.4914552156479535,0.4875076756932245,0.4866174949384305,0.4834481323496035,0.48253027463984277,0.47909495279114955,0.4767649214595081,0.4761880579365298,0.46193320589266545,0.45711037086133466],"twin_dists":[0.05766902224513761,0.06662108926540998,0.08574537453778393,0.11603505183858753,0.12005913502372732,0.12059143695209487,0.12143113067290649,0.12995100024074321,0.13107899129219555,0.142503385681371,0.14356914758840178,0.14743646835525728,0.1503850143178682,0.15100940751737182,0.15178562901097795,0.15480520918760873,0.15568145788773763,0.1558793499702129,0.15658482202091573,0.15678939698866146,0.15755616463873723,0.15807723110685648,0.15820636275004143,0.16141418396910256,0.16250722965333836],"n_dims_used":45,"mean_confidence":0.9163328382703994},"coverage":{"mean_confidence":0.9163328382703994,"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}}