{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000070},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000599","490:4900000278","490:4900000205","490:4900000190","490:4900000160","487:4870004272","490:4900000140","490:4900000502","490:4900000425","490:4900000725","490:4900000089","490:4900000340","490:4900000111","487:4870004126","490:4900000499","490:4900000093","490:4900000139","490:4900000602","496:4960008388","490:4900000158","490:4900000218","496:4960007552","490:4900000094","490:4900000402","490:4900001621"],"twin_admin_codes":[490,490,490,490,490,487,490,490,490,490,490,490,490,487,490,490,490,490,496,490,490,496,490,490,490],"twin_sims":[0.4865586300581616,0.4243615685823063,0.4092578173089514,0.4076993444369012,0.40165380197188244,0.3704818674338987,0.36937615898762705,0.35667261407668405,0.35625102934299296,0.35068460436063986,0.34943846242075416,0.33595679576619053,0.33583550291454545,0.33400641791453073,0.329849859546764,0.31596484749147163,0.29924973293000057,0.2965758543604689,0.29565490154281826,0.295516209238502,0.2904048038135644,0.2815917235570807,0.2651227480680734,0.26322567202967584,0.2606371281575745],"twin_dists":[0.1558924398508731,0.17004825561931805,0.17360580350127172,0.17397610120109608,0.17541853782440367,0.1830217500669838,0.1832970087865319,0.18648972131666883,0.18659666132025332,0.18801484353800174,0.18833393175070842,0.19182533977475472,0.19185708920698255,0.19233662394532794,0.19343170585643935,0.19714624739659228,0.2017429357400398,0.20249196592923932,0.2027508701383402,0.20278990137660272,0.20423599999211584,0.20676549012577486,0.2116246774578622,0.21219627644530709,0.2129803914493854],"n_dims_used":45,"mean_confidence":0.9157247755262586},"coverage":{"mean_confidence":0.9157247755262586,"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}}