{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003249","490:4900002399","490:4900004489","490:4900002694","490:4900001778","490:4900001926","490:4900002692","490:4900003941","490:4900001108","490:4900001235","490:4900001639","490:4900001233","490:4900004215","490:4900003248","490:4900001367","490:4900002834","490:4900001496","490:4900001366","490:4900003115","490:4900002680","490:4900002398","490:4900001107","490:4900002248","490:4900003940","490:4900002247"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.1842375045052511,0.17750300996790666,0.17644986376945043,0.15183018604540457,0.1469387296953313,0.13580785761609526,0.129875107846698,0.12863219599357326,0.12841762846962615,0.1067438263229869,0.09565558974258466,0.08423402025099325,0.08360809096090241,0.0832999541867826,0.07411772622799208,0.06825122039795756,0.06773790767371239,0.06661055091644998,0.06118522130409958,0.05704009519514189,0.05523886054269227,0.05119778710130069,0.049550949779145335,0.04878473676272018,0.0475068512723587],"twin_dists":[0.2388793677080923,0.24149445616685178,0.24190973689152534,0.25217014399557863,0.2543511234671826,0.25952251789393216,0.2624095937041792,0.26302698178548617,0.2631340192485848,0.2747281947494914,0.2813814703639283,0.2889032440689367,0.28933837974056315,0.2895535473747709,0.2962790078234318,0.300936869207654,0.3013597103039301,0.3022976093422324,0.30700139975616986,0.3108317789702802,0.312568180275943,0.3166412963973014,0.31837817879592484,0.3192027336206716,0.32060228590789885],"n_dims_used":45,"mean_confidence":0.9141025119357639},"coverage":{"mean_confidence":0.9141025119357639,"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}}