{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003582},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003259","489:4890002837","489:4890002346","489:4890001920","489:4890003521","489:4890003395","489:4890002839","489:4890002180","489:4890002021","489:4890001927","489:4890003260","489:4890003581","489:4890003456","489:4890002834","489:4890001848","489:4890002104","489:4890003005","489:4890001840","489:4890002004","489:4890003167","489:4890001935","489:4890003588","489:4890003315","489:4890002997","489:4890002916"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.8255572542466294,0.808949594531568,0.8048863684277896,0.8039095968342456,0.7852391115392305,0.7554531615644758,0.7479168115773578,0.7325567421573326,0.7201103450062277,0.7056959442522323,0.7056417465952722,0.6967831750803233,0.6836212218191742,0.6778906409324679,0.6772395711238445,0.677061452472074,0.6690388332721937,0.6688676171042199,0.6646761956145827,0.6485138569076019,0.6447367187283304,0.6323668315942855,0.6311670610154514,0.6307330550171325,0.6267038299864687],"twin_dists":[0.0804166760742144,0.08457186281223658,0.08557027144105878,0.08580929502262359,0.09031031579541009,0.09726506562435974,0.0989884771898547,0.10246339458351021,0.1052465570842649,0.10843871201846496,0.10845065792159196,0.11039805066051255,0.1132742739864325,0.11452091930266585,0.11466235900006493,0.11470104713101231,0.11644074213809295,0.11647781214145086,0.11738459384220343,0.12087009140766274,0.12168251619066689,0.12433888276375259,0.12459623796697648,0.1246893233151602,0.12555326271067616],"n_dims_used":45,"mean_confidence":0.915169440375434},"coverage":{"mean_confidence":0.915169440375434,"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}}