{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000915},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003065","490:4900002910","490:4900000674","490:4900000669","490:4900000678","490:4900003200","490:4900002336","490:4900000409","490:4900003349","490:4900000682","490:4900001025","490:4900003606","490:4900000916","490:4900002905","490:4900004025","490:4900002931","490:4900003467","490:4900003881","490:4900000675","490:4900000891","490:4900000679","490:4900003062","487:4870011567","490:4900002908","490:4900003332"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490],"twin_sims":[0.5212883331149456,0.5183997112955877,0.48664842133213465,0.48011280434772624,0.4557778510016937,0.45148550255312664,0.40689492493349794,0.3898733548531656,0.37988620014471064,0.3728744770682093,0.36900735893106257,0.36747841179849466,0.3613154921813237,0.35144060771133945,0.34700255342396347,0.3437790817046795,0.34197545649745115,0.33476764636564854,0.33471216200164844,0.33385084083815647,0.3199145331787771,0.3173497565822405,0.3167054164820628,0.3165217195040943,0.31580466576413385],"twin_dists":[0.1482449964777371,0.14887590041997306,0.1558724730110142,0.15732879750404208,0.16280996077199375,0.16378733288547467,0.1741674786121738,0.17825795699332433,0.18069677314529145,0.18242751690718959,0.18338891025939882,0.1837703991290809,0.18531626374280682,0.18782154962758926,0.1889594025530806,0.1897906708002047,0.1902575962377295,0.19213687842572988,0.1921514291175626,0.1923774776590433,0.1960804908190825,0.1967717020821027,0.19694584714644525,0.19699553137941755,0.1971896280122484],"n_dims_used":45,"mean_confidence":0.9154606289333768},"coverage":{"mean_confidence":0.9154606289333768,"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}}