{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003066},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003200","490:4900002299","490:4900003192","490:4900002761","487:4870000540","490:4900001845","490:4900003869","490:4900001557","490:4900003868","490:4900003881","490:4900003467","490:4900003051","490:4900002752","490:4900003606","490:4900002144","490:4900002443","490:4900003332","490:4900002931","490:4900002294","490:4900003348","490:4900003600","490:4900003578","490:4900001538","487:4870000759","487:4870002039"],"twin_admin_codes":[490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,487],"twin_sims":[0.2982768633751333,0.2826109262463526,0.24988779970498592,0.2478419794036542,0.21437008816037004,0.21160869456291706,0.20166458509676274,0.20095550178333293,0.2002238147473281,0.19772236004374288,0.19493223137432,0.1855621545296552,0.1784073251925902,0.17521599469031507,0.1750859796751117,0.16473734724502095,0.16092659146068916,0.15996434043355787,0.15990510408945274,0.15447847222042552,0.15311781118999876,0.15267005057615507,0.14536428787129752,0.1447260048985694,0.14433481762449293],"twin_dists":[0.20201500805962627,0.20647054895131442,0.2162902169784977,0.21693035690353257,0.22793260194930365,0.22889003077777595,0.2324099818159984,0.23266547924512296,0.23292977272453072,0.23383838894867226,0.23486129061991395,0.23837296487482584,0.24113925841797076,0.24239853155543883,0.24245017942170993,0.24665233251983257,0.24824766607714457,0.24865482949031767,0.2486799526550542,0.2510108330628674,0.2516046376211422,0.2518008903303987,0.25506452316775474,0.2553553676686429,0.2555340890417619],"n_dims_used":45,"mean_confidence":0.9123469034830729},"coverage":{"mean_confidence":0.9123469034830729,"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}}