{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002767},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001165","490:4900002327","490:4900003074","490:4900001572","490:4900003460","490:4900003328","490:4900002021","490:4900004149","490:4900001862","490:4900001699","490:4900003755","490:4900001597","490:4900003330","490:4900003471","490:4900001722","490:4900001571","490:4900004302","490:4900002178","490:4900003738","490:4900003595","490:4900001166","490:4900001470","490:4900001848","490:4900003895","490:4900002303"],"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":[0.8888004650456697,0.6928823502835602,0.6718784994440038,0.6688657520847038,0.646226411756606,0.6429980566341699,0.6411699959438547,0.6360129940351057,0.6204099958313691,0.5991163546304562,0.5961394098950807,0.5748546897346622,0.5700023925267232,0.5665098549867865,0.5593427423632221,0.5537812906298497,0.545866256468067,0.5415343800463895,0.5411636809638224,0.5395676068902758,0.5385758828456324,0.5319004805763609,0.5253358650312143,0.5189017177494768,0.5172996336968647],"twin_dists":[0.06306139081644903,0.11125249971035268,0.11582558315950787,0.11647821592400509,0.12136218098411786,0.12205625834623464,0.1224490736427096,0.12355648580370705,0.12690202711716775,0.13146216778999306,0.13209974949814424,0.13666326214263716,0.1377055117029006,0.13845629119998137,0.13999877680090872,0.14119757540258324,0.14290694636282228,0.14384427348275144,0.14392454807614077,0.14427029403581135,0.14448522144117956,0.14593395454502844,0.14736233503013876,0.14876619762698687,0.14911638788318757],"n_dims_used":45,"mean_confidence":0.9169867621527777},"coverage":{"mean_confidence":0.9169867621527777,"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}}