{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012603},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012255","490:4900012386","490:4900012317","490:4900012390","490:4900012531","490:4900012387","490:4900012871","490:4900012798","490:4900013194","490:4900013187","490:4900012812","490:4900000460","490:4900012802","490:4900012868","490:4900012878","490:4900012870","490:4900000255","490:4900000650","494:4940007631","490:4900012982","494:4940007428","490:4900012319","497:4970001854","490:4900013155","490:4900012971"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,494,490,497,490,490],"twin_sims":[0.4074877070817176,0.2409261740230466,0.21464818513515282,0.1642299618469245,0.1426043202561131,0.13747024036893926,0.11135547944019582,0.10434797063125052,0.09765414961750499,0.09052332268818822,0.09003345066968327,0.08423175062687574,0.0760676736113674,0.07225351697982384,0.07046059294328803,0.06802511186505222,0.0574149453244579,0.05447065508852223,0.05153870519344318,0.05076021604654311,0.049551770563884094,0.049480052502120654,0.04841583048668974,0.0421293669534417,0.04058237070345336],"twin_dists":[0.17402643507271356,0.21911983221350398,0.22783664350423474,0.24686319166022158,0.2563290398513666,0.25873056866296956,0.27211898620261576,0.2761184192812727,0.280139186486287,0.28466803418219255,0.28498937348581926,0.28890481720523187,0.2947968856003575,0.2977257134392096,0.2991458973453582,0.301122805881543,0.3104761270991468,0.3133230100657552,0.31628756004184877,0.3170982023734643,0.31837730123214675,0.31845402626975805,0.31960358908411074,0.32686135520683524,0.32878626313388226],"n_dims_used":45,"mean_confidence":0.9075508965386285},"coverage":{"mean_confidence":0.9075508965386285,"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}}