{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003971},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001941","490:4900002108","490:4900004533","490:4900001651","490:4900004259","490:4900003429","490:4900004383","490:4900002106","490:4900003820","490:4900004108","490:4900010082","490:4900004247","490:4900002402","490:4900004520","490:4900003969","490:4900008181","490:4900004529","490:4900008420","490:4900001397","490:4900002107","490:4900002403","490:4900001939","490:4900003973","490:4900009385","494:4940008968"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.30869184525662574,0.3030429411346879,0.2867346073953354,0.2244674342576508,0.21772527517838003,0.21769000674098102,0.20336556533792086,0.17074718002691966,0.1673625764418657,0.1647674573442157,0.13442219429373403,0.13300451282418183,0.13053986056118447,0.12465411090075937,0.12303541157503957,0.11657787884455809,0.11422608405425033,0.11373542771673213,0.09666289656459477,0.09576665157897533,0.0950888729374222,0.08900865046788814,0.08764393039020818,0.08206451076681479,0.08034664719218888],"twin_dists":[0.19912870092299254,0.20068703715764943,0.20528372494719396,0.22450071277165418,0.22678043308507792,0.22679248186640436,0.2317995909019716,0.24418968470699173,0.245568767558403,0.24663983413477658,0.2601882107322015,0.26087463958031726,0.2620812226141238,0.26503386355356123,0.2658644046133936,0.2692630926577702,0.2705367310418101,0.27080498907738637,0.2807528154371271,0.28131190254539534,0.28173744822995483,0.2856661144481791,0.2865769906368635,0.2904226803784084,0.2916487648556337],"n_dims_used":45,"mean_confidence":0.9208802117241753},"coverage":{"mean_confidence":0.9208802117241753,"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}}