{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002779},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001838","490:4900004311","490:4900000786","494:4940007905","490:4900003224","490:4900003232","490:4900000896","490:4900001436","494:4940008507","490:4900009305","490:4900000787","490:4900001570","490:4900000920","490:4900004464","490:4900000570","494:4940007594","496:4960007779","470:4700002957","470:4700003302","490:4900000665","490:4900001046","490:4900001328","490:4900004287","490:4900005402","490:4900000908"],"twin_admin_codes":[490,490,490,494,490,490,490,490,494,490,490,490,490,490,490,494,496,470,470,490,490,490,490,490,490],"twin_sims":[0.484430214184099,0.46624468474405545,0.45495166222177424,0.4428620179728184,0.4179758201730764,0.40742289206072624,0.40244688220736236,0.40229594194783047,0.3841986198927137,0.3805345086081287,0.3776597729983354,0.35928557587395527,0.3581908547636879,0.35712541776437673,0.35158749230404274,0.34952116645581727,0.3422114492603199,0.3299618123539194,0.3243830469955802,0.3107892438758409,0.30575213183822886,0.3004051900740559,0.2959886628056314,0.2958217841042774,0.29147817782834046],"twin_dists":[0.15636606673926098,0.16044043704406935,0.16299782159949827,0.16576147259913848,0.17154563426583552,0.17404185239416503,0.1752287606297845,0.1752648663109472,0.1796399965934715,0.18053753520424048,0.18124463385826836,0.18582835680630327,0.18610513927734093,0.1863749347324628,0.18778401957040858,0.18831273603123846,0.19019642751025692,0.19340211222591366,0.19488360042569486,0.1985542866074085,0.19993758941462367,0.20142047299163535,0.20265698618817637,0.20270391981515543,0.2039310801942613],"n_dims_used":45,"mean_confidence":0.9179170396592882},"coverage":{"mean_confidence":0.9179170396592882,"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}}