{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011589},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010685","490:4900011850","490:4900012117","490:4900012052","490:4900011654","490:4900010920","490:4900010839","490:4900012180","490:4900011083","490:4900010689","490:4900011233","490:4900011155","490:4900011841","490:4900012181","490:4900012113","490:4900012051","490:4900012049","490:4900011099","490:4900009862","490:4900009963","490:4900011973","490:4900012097","490:4900011650","490:4900012183","490:4900008788"],"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":[0.477729443919576,0.2829539584415689,0.21384028749644865,0.20127210980566373,0.18593526788592102,0.16868594797326836,0.11385774926687485,0.10445078357021066,0.09516963545973028,0.09324278165085449,0.08935080939061338,0.08784741297061434,0.08758756207387768,0.08716588628902042,0.08095189638049934,0.0792731840012488,0.07180236979637102,0.06895008352345024,0.06793709895012867,0.0674628813503157,0.06633701039432878,0.06498494598667622,0.06489847281968876,0.06198225640185583,0.059532502440982855],"twin_dists":[0.15786143479017672,0.20637142551799298,0.2281156446550469,0.2325513222793366,0.23823078590452143,0.2450271836351954,0.27073802860595353,0.276058253503689,0.28168661612386187,0.2829087667855749,0.2854394812526648,0.2864404658322794,0.2866148549949213,0.2868987238388891,0.29121440780485647,0.2924256313163228,0.2980803564621713,0.30036532142927275,0.3011953179009139,0.301587337498849,0.3025271290838407,0.3036730825499797,0.3037470339210338,0.3062894839505387,0.30850223198242477],"n_dims_used":45,"mean_confidence":0.8876335144042968},"coverage":{"mean_confidence":0.8876335144042968,"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}}