{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000314},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000543","490:4900000871","490:4900000380","494:4940007953","494:4940008157","490:4900000877","494:4940007851","494:4940007641","490:4900000760","490:4900001001","490:4900000762","490:4900000462","490:4900000547","490:4900000753","494:4940006890","494:4940007746","494:4940007849","490:4900000383","494:4940007952","494:4940007533","490:4900000549","494:4940008156","494:4940007527","490:4900012319","490:4900012804"],"twin_admin_codes":[490,490,490,494,494,490,494,494,490,490,490,490,490,490,494,494,494,490,494,494,490,494,494,490,490],"twin_sims":[0.6294363716944242,0.42557613225883884,0.4222241692232388,0.3375916092133646,0.3374778130356702,0.28984586557523706,0.28199040544733645,0.269633752378091,0.24080993737728867,0.2374476789158462,0.22790036251112022,0.20746149326568925,0.19820474201500032,0.19745489690868967,0.19164758410621055,0.18532702126106837,0.17458737652770695,0.1698046823033607,0.1679476724514798,0.16515317064838023,0.15189360992078077,0.1337797091723385,0.13063604645027008,0.10268513104342217,0.0988383927198615],"twin_dists":[0.12496740318496935,0.1697645280998314,0.1705483856955568,0.1913980170834327,0.19142772593005228,0.20439504668001743,0.20665004110245905,0.2102756359673519,0.21915697658956335,0.22023649595605396,0.22335744337252045,0.23034400311700526,0.23366255560184365,0.23393600995697322,0.236078603499749,0.23846266828671922,0.24264850117727313,0.2445717247929943,0.24532894091576452,0.24647987440205027,0.25214220684931365,0.2604986189002037,0.2620338137733815,0.27709798266231633,0.2794124657515834],"n_dims_used":45,"mean_confidence":0.91108644273546},"coverage":{"mean_confidence":0.91108644273546,"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}}