{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001584},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001433","490:4900002343","490:4900001345","490:4900003490","490:4900003738","490:4900001331","490:4900001202","490:4900005411","490:4900002193","490:4900001350","490:4900003222","490:4900002190","490:4900001722","490:4900001571","490:4900004185","490:4900001453","490:4900001051","490:4900002191","490:4900001336","490:4900001166","490:4900002032","490:4900002495","490:4900001560","490:4900002025","490:4900001470"],"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":[0.6291774211028606,0.5993983274991072,0.5906669735553751,0.5638821086234304,0.5637134164500404,0.5416005538988392,0.5333496756666256,0.5258022871719806,0.5256945899905371,0.5178022330864546,0.4990184496889693,0.4988658844495711,0.49546886076052854,0.48375664517542855,0.47929900134533876,0.4775638479932112,0.4723836494347388,0.4721277462520352,0.4718222469800288,0.4690735271104992,0.4576980111626751,0.4519738416776606,0.4470329615580405,0.4468775865303342,0.4353094418704157],"twin_dists":[0.12502293078379395,0.1314017811830667,0.1332720980682857,0.1390215333860186,0.1390578312036527,0.1438299446571031,0.14561913219589873,0.14726071944022026,0.14728418076478858,0.14900649963154147,0.15313212271103396,0.153165800147499,0.15391642106039544,0.15651608698554803,0.1575105720143191,0.1578984741626886,0.15905927421543997,0.15911672669281843,0.15918532753530243,0.1598032340480415,0.1623738269003676,0.16367596550611976,0.16480483413838048,0.16484040939417333,0.16750266036547093],"n_dims_used":45,"mean_confidence":0.9178182813856337},"coverage":{"mean_confidence":0.9178182813856337,"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}}