{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000207},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000428","490:4900000730","490:4900000947","490:4900000239","490:4900000030","490:4900001191","490:4900000286","490:4900000423","490:4900000237","490:4900000411","490:4900000026","496:4960009476","487:4870004408","490:4900000508","490:4900000394","490:4900000213","490:4900000245","487:4870003830","490:4900000688","490:4900000285","490:4900000163","490:4900000401","496:4960008588","490:4900000907","490:4900001075"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,487,490,490,490,490,487,490,490,490,490,496,490,490],"twin_sims":[0.5810172623791704,0.4765166164285322,0.4618999735916075,0.44916292541485503,0.4354360544900063,0.41535935013730513,0.3851783091143682,0.3827995682310915,0.3777382273544903,0.37383495013326956,0.3636276618290398,0.36251358570948267,0.3532327119362742,0.3456524083069963,0.3317756727298396,0.3313101525894576,0.33073266784301464,0.3277574647800772,0.3244521893513278,0.3227742343884804,0.3222026972145557,0.3214158724521799,0.31298804871420394,0.30952575107422414,0.3074514780884039],"twin_dists":[0.13534078321153692,0.15813280827011678,0.16142170180319848,0.16431761955775456,0.16747337304034127,0.17216196812446655,0.179400712738939,0.1799822131945333,0.18122530185204921,0.1821895017890163,0.18473474555021555,0.18501470442920542,0.18736421118602617,0.18930707788306217,0.19292340112559714,0.19304612342135494,0.19319849353488266,0.19398582972619816,0.19486515313058378,0.1953134536719881,0.19546644819323816,0.19567732117386039,0.1979544764508813,0.19890005200926214,0.1994694553448235],"n_dims_used":45,"mean_confidence":0.9156467013888889},"coverage":{"mean_confidence":0.9156467013888889,"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}}