{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003955},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002557","490:4900003540","490:4900003009","490:4900003817","490:4900003279","490:4900002418","490:4900001939","490:4900003001","490:4900003412","490:4900004377","490:4900002856","490:4900003554","490:4900009475","490:4900002714","490:4900002564","490:4900004239","490:4900003553","490:4900003005","490:4900002558","490:4900002565","490:4900004373","490:4900003822","490:4900001517","490:4900003961","490:4900003151"],"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":[0.13512335110699505,0.11887395103661066,0.11385090966405093,0.07869584889438853,0.07617816421354598,0.06756129102952492,0.04768647107792245,0.047655906708992266,0.04615895054330059,0.04088394993403589,0.040592831786932564,0.04004655935967712,0.039937892088591616,0.03610300706054284,0.027313251917359956,0.025273975158892053,0.024855993698331774,0.024738344646440875,0.02226332864586598,0.02177961343113617,0.021355110823579115,0.021171267566022552,0.020623703780874268,0.01961866321450308,0.019435469610066758],"twin_dists":[0.25985072470070847,0.26803851373362747,0.2707417712348068,0.2928469468274951,0.29471382482670755,0.30150580144949934,0.3204036792215571,0.32043743023277316,0.3221130472288939,0.3284062134189787,0.32877304025419396,0.3294674116134777,0.3296064923638014,0.33473264516182166,0.34850836918385414,0.35224393923793007,0.35304158922000467,0.35326819428214823,0.35826599002087345,0.3592986979545106,0.360221549876969,0.3606261780916273,0.36184972282769085,0.3641711175342515,0.36460538752018157],"n_dims_used":45,"mean_confidence":0.9253261990017361},"coverage":{"mean_confidence":0.9253261990017361,"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}}