{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":476,"cluster_id":4760001178},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["476:4760001138","476:4760001181","476:4760001075","476:4760001026","476:4760001309","476:4760001077","476:4760001344","476:4760001591","476:4760001073","476:4760001703","476:4760001556","476:4760000799","476:4760001228","476:4760001342","476:4760000796","476:4760001628","476:4760001229","476:4760000914","476:4760001377","476:4760001029","476:4760001629","476:4760001272","476:4760000853","476:4760001741","484:4840005873"],"twin_admin_codes":[476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,484],"twin_sims":[0.7954025096611006,0.67605087027529,0.6307092173761177,0.5903622480173776,0.5195081232855848,0.5094767947026021,0.4576061836509249,0.45617359929187773,0.44991574766579917,0.39366146876312996,0.36765814489690474,0.3613909502857743,0.334628306026339,0.3295993147986131,0.3187150774552819,0.312830965198019,0.30670446937353874,0.2998402152246398,0.2898041630153782,0.27585705198366917,0.2699353962690481,0.2602129126823691,0.24167112474614635,0.22871704945733,0.22796207978207036],"twin_dists":[0.0878756139440103,0.1149204957880571,0.12469443583976472,0.13333739312393755,0.14863371428969283,0.15083019000957237,0.162394668984985,0.16272001845955333,0.16414562458302318,0.17734064780055345,0.18372551268296985,0.18529725600677185,0.1921734227087838,0.19349795490670124,0.19640335627133457,0.19799724724510523,0.19967505611754652,0.2015780542715203,0.20440692053006768,0.20843722117518315,0.21018592844717834,0.21310935901345593,0.21888205254976947,0.22308714481401792,0.22333699446821803],"n_dims_used":45,"mean_confidence":0.9182751973470052},"coverage":{"mean_confidence":0.9182751973470052,"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}}