{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004421},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004001","490:4900003580","490:4900002446","490:4900003992","490:4900002135","490:4900003708","490:4900004124","490:4900004541","490:4900002591","490:4900002129","490:4900004419","490:4900002883","490:4900003038","490:4900004002","490:4900001820","490:4900003175","490:4900003307","490:4900001683","490:4900003564","490:4900004280","490:4900002282","490:4900001987","490:4900003704","490:4900001417","490:4900003847"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6093764652455135,0.4844416087652838,0.45807215731238105,0.456121212599118,0.4557177597368207,0.4482896652339823,0.4232647599566907,0.393487142899068,0.3912489595178427,0.38735857961926995,0.3765933953518484,0.3697218508216777,0.3556648290586321,0.3554198334377752,0.35395582303831985,0.33575633381164777,0.3328668822210552,0.3326842078632939,0.32353973107966605,0.32161391660592675,0.31950005371877116,0.31587979315858156,0.30857262679361247,0.3021115809381818,0.30114679944476536],"twin_dists":[0.1292651195080498,0.156363529445563,0.16228892253233762,0.16273192283442048,0.16282362028647596,0.1645172662308025,0.17030476587565757,0.17738277115240667,0.17792436903742115,0.17886922944688877,0.1815075951187723,0.18321090714248342,0.18674546653155008,0.1868076954559118,0.1871800175828729,0.19187781574158924,0.1926361004454858,0.1926841602543316,0.1951087747465181,0.19562421719330478,0.19619198196653256,0.19716928036665857,0.19916141844429264,0.2009455787642393,0.20121388783677444],"n_dims_used":45,"mean_confidence":0.9169479370117187},"coverage":{"mean_confidence":0.9169479370117187,"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}}