{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000079},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950000134","480:4800000063","480:4800000083","480:4800000169","480:4800000080","480:4800000081","480:4800000085","480:4800000108","495:4950000199","495:4950000116","480:4800000084","480:4800000189","495:4950000769","480:4800000227","480:4800000202","480:4800000014","480:4800000228","480:4800000065","480:4800000120","480:4800000044","495:4950000524","480:4800000078","480:4800000104","480:4800000168","480:4800000062"],"twin_admin_codes":[495,480,480,480,480,480,480,480,495,495,480,480,495,480,480,480,480,480,480,480,495,480,480,480,480],"twin_sims":[0.11682495214424261,0.11476102483471654,0.07835523358019061,0.07242812978598823,0.06679344418484481,0.06525200334933186,0.053994736004154595,0.05005368697519213,0.04088518699873616,0.040498993697453516,0.035762680332578616,0.03199044185068761,0.030181449613254457,0.028841814337317362,0.024322564852004274,0.02370074081100414,0.023645153006479284,0.022708502910238525,0.019851052049476733,0.017392188061688504,0.017161993243025614,0.015484423206877575,0.014642457197841597,0.013087200420252701,0.012697044345968241],"twin_dists":[0.26913043640960577,0.27024526972781737,0.2930966797306127,0.29758893300582023,0.30214457740611217,0.30344520301745176,0.3137950764529353,0.3178429188232236,0.3284046593497875,0.32889175519015523,0.3352095679352672,0.3407723466846134,0.34364150242400116,0.34586280970982297,0.3540765727210163,0.35530816108248575,0.3554196166571622,0.3573326458058457,0.3636252917357081,0.3697083965983459,0.3703157803032043,0.3749717662037284,0.3774783571620132,0.3824630816413872,0.3837955270470286],"n_dims_used":42,"mean_confidence":0.9003404889787946},"coverage":{"mean_confidence":0.9003404889787946,"n_dims_used":42,"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}}