{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003084},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002639","490:4900003058","490:4900003209","490:4900002926","490:4900003728","490:4900004307","490:4900003199","490:4900003218","490:4900004320","490:4900001996","490:4900004304","490:4900003866","490:4900004147","490:4900004292","490:4900000898","490:4900003464","487:4870011453","490:4900004043","490:4900003457","487:4870011463","490:4900004592","490:4900004031","490:4900003724","490:4900000664","490:4900004577"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,487,490,490,490,490,490],"twin_sims":[0.7973682526640967,0.693679589008897,0.6406706707497452,0.6275980920068683,0.6228603616424142,0.61121764472116,0.6081272803254377,0.6012111182349066,0.5806528456977409,0.5787240642390635,0.575589883061457,0.5465851690951299,0.542942877673951,0.5346972345323303,0.5276939140748438,0.5096150746795068,0.5012332392553008,0.49848786812737833,0.49532832032292284,0.492905568369388,0.49210651677734507,0.4818774129019772,0.4801898195913362,0.4770030051521114,0.471964952003818],"twin_dists":[0.08740054293860504,0.11107801484217744,0.12255634442579204,0.12536155298303056,0.12637700893199535,0.1288708580444841,0.12953260720143622,0.1310135729975364,0.13541895302040607,0.13583275634573846,0.13650542373676133,0.1427515164414177,0.14353935652891517,0.14532654627725958,0.14684881017408785,0.1507998385855079,0.15264355063936733,0.1532492564095415,0.1539475071016666,0.15448379662606965,0.15466083985634452,0.15693498312923215,0.15731160014413864,0.15802395058019264,0.15915328081770472],"n_dims_used":45,"mean_confidence":0.9176131354437934},"coverage":{"mean_confidence":0.9176131354437934,"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}}