{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008456},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009537","491:4910005158","490:4900008023","490:4900008223","490:4900008234","490:4900009954","490:4900008792","490:4900008238","490:4900011909","490:4900010596","490:4900008568","490:4900009732","490:4900009118","490:4900007173","490:4900009350","490:4900009634","490:4900008349","490:4900011521","490:4900006804","490:4900009217","490:4900010317","490:4900008663","490:4900010907","490:4900009644","491:4910005507"],"twin_admin_codes":[490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.3271084282808338,0.0763343210862479,0.05662927033650133,0.055343574019431005,0.046572797565070045,0.026379236551327227,0.017875970927869574,0.016217178982092784,0.014261313425813516,0.012308299697859924,0.011385425003214822,0.007892996250752779,0.006369963379932233,0.00550286523182361,0.005474020630378684,0.005059474438840667,0.004232058882671315,0.0036435971506189975,0.003409295391706269,0.0032175811934452058,0.0029938166007724464,0.0019818489918288387,0.0017998457638942144,0.001728730609719834,0.0016478507789618063],"twin_dists":[0.1941581084977368,0.2945966000494449,0.3112237858361501,0.31246596389430287,0.3216453130870082,0.35018834598077553,0.3684545327310907,0.37288610379307185,0.3786550652779084,0.38515971184155506,0.3885579541280834,0.4041488487045557,0.41299929961567716,0.4189327567115274,0.41914430529568714,0.4223015359717368,0.42937482381314546,0.4352165132499207,0.43778490258639463,0.4400091426072905,0.44276368038295527,0.4582094509146625,0.4617418609360329,0.4632121711680172,0.46495369003789216],"n_dims_used":45,"mean_confidence":0.8875818040635851},"coverage":{"mean_confidence":0.8875818040635851,"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}}