{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010760},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011234","490:4900011772","490:4900011167","490:4900010674","490:4900011165","490:4900011703","490:4900010931","490:4900010755","490:4900011175","490:4900011232","490:4900011009","490:4900011644","490:4900010770","490:4900011078","490:4900010426","490:4900011159","490:4900011843","490:4900011776","490:4900012118","490:4900010924","490:4900011004","490:4900010998","490:4900011158","490:4900011587","490:4900010496"],"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":[0.5020993378842951,0.42852549748383534,0.35796657135628346,0.3541739952857034,0.3302102624384553,0.29385216501148387,0.29275546816290265,0.291882283217057,0.28784345783487203,0.2700280574455805,0.2500711516993003,0.24738408335738765,0.2417322200570607,0.23521357478817165,0.2275420683395604,0.22741300139321555,0.2222808505490589,0.22189759767115666,0.2130269852431186,0.20989809688604927,0.2092624555784766,0.20765441409035984,0.20754469516756135,0.19906564752034514,0.19576283832864966],"twin_dists":[0.1524526561371331,0.1690769344344674,0.18616189919532766,0.18712448226370376,0.19333645655894954,0.2032590478798777,0.20356910098180503,0.2038164565905161,0.20496634207031006,0.2101583838797652,0.2162330099278166,0.21707409669887393,0.21886257272294607,0.22095932058252513,0.2234762301590063,0.22351905061456095,0.22523498483470086,0.22536417972912642,0.22839723275188048,0.22948738255441947,0.22971019535433276,0.2302759301436535,0.23031463966255644,0.23334947974390396,0.23455572313205172],"n_dims_used":45,"mean_confidence":0.8908121744791667},"coverage":{"mean_confidence":0.8908121744791667,"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}}