{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000233},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000492","490:4900000498","490:4900000232","490:4900000175","490:4900001063","490:4900001072","490:4900000334","490:4900000349","490:4900000199","490:4900000090","490:4900004460","490:4900000191","496:4960008151","490:4900000338","490:4900000279","490:4900000294","490:4900000196","490:4900000076","490:4900000431","490:4900001084","490:4900001885","490:4900000268","490:4900000562","496:4960009382","490:4900000291"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.6330952444265514,0.60473428358213,0.5223437653459811,0.5208318391517099,0.4856212991501662,0.4674392141564813,0.45025986405380874,0.4451688997007618,0.42475853255018375,0.4205689686400551,0.4068974861183767,0.3934051134683165,0.36474544367414,0.3639978782470669,0.36234112908083826,0.358500938700809,0.3480449004329298,0.33908935893200465,0.33389508387501116,0.3321238024984102,0.3028024590580451,0.3004258909831408,0.2996801993573837,0.29743985745055,0.29481822093154175],"twin_dists":[0.12418261398270188,0.1302591407514597,0.14801468360800443,0.14834464456550875,0.15610094113057046,0.1601712057062265,0.1640670412434179,0.16523194750903275,0.16995548595504606,0.1709364167655083,0.1741668690209909,0.17740259538628675,0.1844542910721988,0.18464180908830632,0.1850580804259093,0.18602669563979174,0.18869147623414428,0.1910075004581641,0.19236585861866848,0.1928316872816902,0.20075374964137385,0.2014147024400847,0.20162271701669618,0.2022495017139865,0.20298649577443206],"n_dims_used":45,"mean_confidence":0.915246327718099},"coverage":{"mean_confidence":0.915246327718099,"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}}