{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001499},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002839","490:4900004352","490:4900004212","490:4900002082","490:4900001635","490:4900001103","490:4900004359","490:4900002237","490:4900002833","490:4900001495","490:4900003799","490:4900002832","490:4900001232","490:4900004496","490:4900001774","490:4900004078","490:4900002693","490:4900001636","490:4900004491","490:4900004495","490:4900001242","490:4900001368","490:4900002677","490:4900002546","490:4900002983"],"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":[0.4387163282213192,0.29750680499437265,0.26060676507386643,0.24689224194937504,0.24306992391592347,0.2412669612891223,0.23799630582881667,0.22061554751221626,0.20657349368855826,0.17984640792914888,0.16246432470134473,0.13722271484052065,0.13512827529577146,0.13271709508019383,0.12548028329587785,0.12015014436030386,0.11808522455000768,0.10866447976350278,0.1046480459702713,0.09760145246756143,0.09537304262717558,0.09276424981397931,0.08605729002135458,0.08583019749137939,0.08071340489196495],"twin_dists":[0.1667157724180737,0.20223073159618338,0.2129896178765489,0.21722868281926064,0.21843685147321532,0.21901099779110142,0.22005967215519845,0.22579744670284224,0.23065789591583546,0.24057663982726,0.24760064966038747,0.2588480324405316,0.25984835920529664,0.26101447471952066,0.2646131175215502,0.2673656845458496,0.26845711062455485,0.27363110908669697,0.27594294522141255,0.280171684907982,0.28155874154549254,0.28321537122886065,0.28765026705858954,0.2878051682738506,0.2913852494882463],"n_dims_used":45,"mean_confidence":0.9134435017903646},"coverage":{"mean_confidence":0.9134435017903646,"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}}