{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002001},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003864","490:4900003478","490:4900000929","490:4900001567","490:4900003199","490:4900000690","490:4900003734","490:4900004298","490:4900002465","490:4900003208","490:4900001558","490:4900004426","490:4900003336","490:4900003614","490:4900001866","490:4900000479","490:4900003081","490:4900002182","490:4900003207","490:4900003724","490:4900000898","490:4900000576","490:4900003218","490:4900001695","490:4900002453"],"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":[0.7248931600225456,0.7078098155235147,0.7047685346469786,0.6546777784173,0.6426848920823021,0.6086722839571875,0.6084687910747745,0.6071612881756261,0.5991950898613962,0.5920269798345459,0.5893759203651568,0.5774049787168494,0.5709898419499561,0.569308629532494,0.5665793310329255,0.5582958366755186,0.5525590533040726,0.5517301299295073,0.5480567615389488,0.5445600608900136,0.543372366271401,0.5368797354305438,0.5364555267934548,0.5361276735412032,0.5351868612193407],"twin_dists":[0.10418022683414874,0.10797247230887017,0.10864307103420268,0.11954269027191386,0.12212356168911238,0.12941590618428803,0.12945947996390295,0.1297394527795544,0.1314453059815721,0.1329807029802514,0.13354875046508966,0.13611582235437644,0.13749333712300246,0.1378546057170898,0.13844135089624632,0.14022430978851014,0.14146127657597662,0.14164017118075134,0.1424334654431233,0.14318943917681812,0.143446407872602,0.1448529889473875,0.14494500348390196,0.14501612752394347,0.1452202740124039],"n_dims_used":45,"mean_confidence":0.9160719977484809},"coverage":{"mean_confidence":0.9160719977484809,"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}}