{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003290},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001961","490:4900002574","490:4900003295","490:4900003157","490:4900002724","490:4900002263","494:4940008964","490:4900002258","490:4900001661","490:4900002260","490:4900002722","490:4900002273","494:4940008965","490:4900002259","490:4900003821","490:4900003289","490:4900003424","490:4900001255","490:4900004806","490:4900002262","490:4900002268","490:4900010288","494:4940008647","494:4940007566","490:4900009910"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,494,494,490],"twin_sims":[0.6954140363473824,0.6169120548570463,0.5852279700379074,0.37458505531064523,0.33870804396275334,0.31501638428430007,0.3116031791612383,0.2997679426203717,0.2898547957598453,0.28923644729942616,0.28211720434887905,0.27546761948350357,0.2679785806720025,0.2625773898977632,0.25782277423368566,0.25425357959467354,0.2459108662002928,0.18738554875620453,0.18708159120727536,0.17720872283319697,0.16982253450863574,0.16531658801605942,0.16314017295211813,0.1531210238613668,0.1503614212604117],"twin_dists":[0.11069815565974699,0.12765133401190107,0.13443782579709723,0.1820038271373223,0.19110683455629363,0.19740329319857786,0.1983319722824786,0.20159822487465887,0.2043925041466375,0.20456866607673618,0.20661334378699497,0.20855151116695475,0.21076898554701198,0.21239219728986714,0.21383847954083574,0.2149352659035591,0.2175377224404668,0.237680036293704,0.23779521682585236,0.24161032380953465,0.24456447430453998,0.2464121847339077,0.24731768411105556,0.2516032310351152,0.25281952333066343],"n_dims_used":45,"mean_confidence":0.921994866265191},"coverage":{"mean_confidence":0.921994866265191,"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}}