{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004108},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003979","489:4890003919","489:4890003916","489:4890003731","489:4890003981","479:4790000838","489:4890003668","489:4890003796","489:4890003606","479:4790002555","479:4790000974","489:4890003797","479:4790000839","479:4790001632","479:4790001052","479:4790002226","479:4790002388","479:4790001870","479:4790002624","479:4790000904","479:4790000837","479:4790001470","489:4890002182","479:4790003051","479:4790002389"],"twin_admin_codes":[489,489,489,489,489,479,489,489,489,479,479,489,479,479,479,479,479,479,479,479,479,479,489,479,479],"twin_sims":[0.957241439619851,0.8357240307652131,0.7756205525021618,0.7686580412888949,0.7582163813715004,0.7486154700800512,0.7475272873093021,0.7240628063903091,0.6737162524676933,0.6342972618370212,0.6325187508609899,0.5961973110465575,0.5669107498186624,0.5363609878435572,0.5363526365192876,0.5284890596750412,0.517305717522604,0.5123772247071705,0.5110088562333677,0.5070700011310043,0.5039283393433759,0.5032235750076913,0.5022207243692413,0.49489141723021396,0.49126508748209985],"twin_dists":[0.03839527040907799,0.07780702971950941,0.09258363280833029,0.09421211828233185,0.09662984275957756,0.09882924848227025,0.09907720561940259,0.10436562868695047,0.11542711464843289,0.12392470417200949,0.12430629239590602,0.13208734770845754,0.13837008478425564,0.14496551175457112,0.14496732343599636,0.14667576049342904,0.14911505756265012,0.15019400860204338,0.15049403214899712,0.1513588072395092,0.15204982647017223,0.15220500056242253,0.15242590889610472,0.15404416164721302,0.1548473642295054],"n_dims_used":45,"mean_confidence":0.9174654642740886},"coverage":{"mean_confidence":0.9174654642740886,"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}}