{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003838},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003705","490:4900001152","490:4900012351","490:4900002441","490:4900001268","490:4900001154","490:4900004268","496:4960008134","494:4940007784","490:4900012771","490:4900012705","490:4900004545","490:4900006993","494:4940007121","490:4900003470","490:4900007741","490:4900007241","490:4900001402","487:4870000283","494:4940007134","490:4900003981","494:4940004968","490:4900007257","490:4900007003","490:4900002137"],"twin_admin_codes":[490,490,490,490,490,490,490,496,494,490,490,490,490,494,490,490,490,490,487,494,490,494,490,490,490],"twin_sims":[0.6140755746339261,0.4598619812905069,0.35828888445858936,0.3568772879124176,0.3476160855415719,0.3318813157354153,0.32703156927467375,0.290022888177913,0.271873714038281,0.2649540772853523,0.2594132132490031,0.2421196228051062,0.23599123104353104,0.22496145009923127,0.22274090470973112,0.22224432878605824,0.22114494134856966,0.2185955444151938,0.21787906133605878,0.2135236913006007,0.21183845357942652,0.21183047669255384,0.20316603927946422,0.2006721415858635,0.19717416476268915],"twin_dists":[0.1282588349876861,0.1618831043534414,0.1860803364036052,0.18643782683154267,0.18880164815041384,0.19289556420492823,0.19417852227569882,0.2043446548781404,0.20961095339436375,0.21167539525682774,0.21335283901465918,0.21873912613953833,0.22070720972652905,0.22433547859337585,0.22508009637289084,0.2252472899403055,0.2256183353295673,0.22648353680458513,0.22672791033326078,0.22822517292429007,0.22881004733553165,0.2288128232544671,0.23187100820884102,0.23276775333322375,0.2340385724507703],"n_dims_used":45,"mean_confidence":0.9191300286187066},"coverage":{"mean_confidence":0.9191300286187066,"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}}