{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002606},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003465","490:4900002003","490:4900004150","490:4900002335","490:4900003608","490:4900003604","490:4900003341","490:4900003067","490:4900003725","490:4900004306","490:4900003342","490:4900003726","490:4900004428","490:4900002302","490:4900004579","490:4900003477","490:4900002917","490:4900004425","490:4900003071","490:4900004305","490:4900004457","490:4900002171","490:4900002640","490:4900000782","490:4900002755"],"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":[0.6487605445666856,0.5818318119929711,0.561400629776244,0.5613594667319696,0.49928708115051107,0.48480969619194725,0.48153914923467794,0.48055218228572094,0.4782826109911686,0.47416438151244145,0.4723875357260329,0.45881478072531384,0.4513298757915372,0.4402107180462592,0.43518887319901745,0.39760092482441484,0.3946640675183754,0.3875329720101454,0.3856110457236625,0.3799532008173431,0.37760731235202855,0.3643753119065526,0.3604839046604225,0.3416794020904559,0.33585122771210635],"twin_dists":[0.12081700665514289,0.1351660708348837,0.13955562014562564,0.1395644822545777,0.15307283169693311,0.1562815753503932,0.1570104393050994,0.15723069700882386,0.15773773617727144,0.1586597704531561,0.1590584017894537,0.1621204740102833,0.16382283348193283,0.1663713738782885,0.16753055279627058,0.17639102077718508,0.17709855173203753,0.17882677920173815,0.17929511142104393,0.1806803103177385,0.18125756182188157,0.1845471100124613,0.1855258728990683,0.19033436467955475,0.19185297275749863],"n_dims_used":45,"mean_confidence":0.9178338792588976},"coverage":{"mean_confidence":0.9178338792588976,"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}}