{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003039","490:4900001406","490:4900001543","490:4900003698","490:4900003716","490:4900003448","490:4900002284","490:4900003707","490:4900004422","490:4900004540","490:4900004137","490:4900003030","490:4900005892","490:4900002739","490:4900003318","490:4900003850","490:4900004264","490:4900001148","490:4900003320","490:4900005096","490:4900003857","490:4900003177","494:4940007484","490:4900004124","490:4900002293"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490],"twin_sims":[0.6110729503332767,0.5248122178284221,0.5027875364996819,0.483234152810854,0.4595739597563957,0.4217745638568345,0.4186559593007711,0.4105907162964404,0.40137047889139765,0.3998351313176194,0.39364416745780784,0.37987487370961226,0.37461066111201713,0.37331651713467273,0.3689327957086085,0.36813826957502205,0.3615414746037391,0.36143141923953587,0.3581440251863525,0.32806743078721745,0.3250055718990751,0.310918348541131,0.30067949330758215,0.28254162090873475,0.2789257964904075],"twin_dists":[0.12890184279334982,0.14747644178722333,0.15230103651994614,0.15663250357485956,0.16194837112368718,0.17065372385084354,0.17138569171304352,0.17328959529205426,0.17548637558927166,0.17585437101534462,0.1773448280268098,0.18069955631794316,0.1819974921199123,0.18231793736577526,0.18340749626821698,0.18360566039714815,0.18525934528094296,0.18528706279521112,0.1861169890395604,0.1939036194855751,0.19471758838050557,0.19851900139121295,0.2013440275147423,0.20649058441975027,0.20754003984424718],"n_dims_used":45,"mean_confidence":0.9234983656141493},"coverage":{"mean_confidence":0.9234983656141493,"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}}