{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000057},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000246","500:5000000335","500:5000000125","500:5000000558","485:4850006978","500:5000000402","485:4850007341","500:5000000604","485:4850006837","485:4850007589","500:5000000020","485:4850007275","500:5000000200","485:4850006832","485:4850006604","500:5000000163","485:4850006207","485:4850006834","500:5000000617","485:4850006689","485:4850008732","485:4850006206","485:4850006210","485:4850006607","477:4770000295"],"twin_admin_codes":[500,500,500,500,485,500,485,500,485,485,500,485,500,485,485,500,485,485,500,485,485,485,485,485,477],"twin_sims":[0.806936575919192,0.7727497226252217,0.536454667811952,0.5350182753239224,0.4938400805275717,0.49061595645384465,0.48822099801400576,0.45471042456093075,0.4502614800108441,0.4413788303996363,0.4391891341332755,0.4324580853871618,0.42544216812179403,0.41389831224124124,0.41132235576841863,0.4003667371760273,0.3680038950394892,0.3646271249028151,0.33595668446827087,0.33057803156292087,0.33054474036733955,0.3230582960535759,0.31165046204914315,0.28894258861235506,0.27866746125727543],"twin_dists":[0.08506733436654475,0.09325676550368923,0.1449451898189715,0.14525686296164866,0.15427684653946125,0.15499132547408498,0.1555229617254463,0.16305269827722993,0.16406667227208177,0.16610248761596533,0.16660675944085745,0.16816312610219303,0.16979580620144702,0.17250685615148345,0.17311621734052576,0.17572688215617835,0.18363919608732665,0.1844839570202361,0.19182536890508248,0.1932393192612779,0.1932481098829023,0.1952374695665827,0.1983190678694002,0.20465246257402459,0.2076153343311763],"n_dims_used":45,"mean_confidence":0.9203365749782986},"coverage":{"mean_confidence":0.9203365749782986,"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}}