{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011042},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010714","490:4900011201","490:4900011866","490:4900011122","490:4900011868","490:4900011666","490:4900011273","490:4900011475","490:4900011984","490:4900011414","490:4900011731","490:4900011271","490:4900010625","490:4900011806","490:4900011801","490:4900010709","490:4900012188","490:4900011670","490:4900011739","490:4900010531","490:4900011182","490:4900008727","490:4900011864","490:4900011602","490:4900011988"],"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":[0.5607329400792186,0.40371820864383406,0.40253366404929064,0.3766573612274013,0.3392739392837748,0.3234617460137475,0.31504943356119586,0.30463591568624243,0.24535304395985655,0.23704191412141845,0.2363991652638285,0.22945901153377274,0.225911454635391,0.21937409065449148,0.21231245885006889,0.2104899892413959,0.20451188913750581,0.19242934242826387,0.19096279829875906,0.18632410986785994,0.17615201212812667,0.175018495810762,0.17281018228633366,0.17205919552792132,0.1710316431662309],"twin_dists":[0.1396993797592943,0.1749248943775322,0.1752080047330674,0.18149181135610812,0.19095943810318655,0.19512961408204824,0.1973943290468603,0.2002459020195312,0.2177137370024534,0.2203674464324156,0.22057517739991084,0.22284213053663576,0.2240184058345193,0.22621860383786938,0.22864522274923516,0.22928031718633785,0.23139021012315839,0.2357875694959961,0.2363342174028474,0.2380828265768441,0.2420275067408727,0.24247699785763446,0.24335869502773166,0.24366037053587838,0.2440746752355537],"n_dims_used":45,"mean_confidence":0.9168969896104601},"coverage":{"mean_confidence":0.9168969896104601,"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}}