{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002995},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003670","490:4900003119","490:4900004354","490:4900002986","490:4900002990","490:4900003794","490:4900003139","490:4900003521","490:4900004365","490:4900003654","490:4900003125","490:4900004493","490:4900002696","490:4900003657","490:4900003259","490:4900003266","490:4900003131","490:4900001245","490:4900003134","490:4900002993","490:4900004355","490:4900001376","490:4900004356","490:4900001246","490:4900003518"],"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":[0.5744745988405364,0.39458859021469894,0.35505983154460896,0.3263469209430387,0.3192836013516837,0.2936786425629976,0.28480665219191975,0.2716802866188733,0.25522050161145615,0.24889226309727358,0.23999951923622742,0.22521878875721557,0.22516624321453468,0.22049398870122153,0.2188295789222509,0.2108579401229228,0.20891152246045605,0.20846324931108476,0.20529030178376254,0.19805171982905664,0.19344069500044694,0.18987658806470792,0.18907857697193803,0.18678035429460693,0.18167537831736644],"twin_dists":[0.13674487136894678,0.17711676721412378,0.18689917621706542,0.19436048228088515,0.19625023794767205,0.20330805966031174,0.20583731589216137,0.2096682171404806,0.21463718020325517,0.21660130073387077,0.21941627634434863,0.22424950172800612,0.2242670518905077,0.22583861463753827,0.22640383031327402,0.22915179392207954,0.22983340605093083,0.22999099739741494,0.23111311495454276,0.23371830174535352,0.23541228116572743,0.23674098908104968,0.23704087149216846,0.23790949604120384,0.2398661761407765],"n_dims_used":45,"mean_confidence":0.9118025885687934},"coverage":{"mean_confidence":0.9118025885687934,"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}}