{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700001274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["470:4700005833","488:4880000537","466:4660014413","470:4700008599","481:4810000689","470:4700001862","488:4880001521","466:4660011734","493:4930002599","470:4700006805","481:4810001364","470:4700002680","493:4930003621","485:4850001377","493:4930003960","470:4700002855","493:4930002585","470:4700006234","496:4960004497","472:4720000510","470:4700000322","488:4880001904","470:4700002686","466:4660006470","470:4700005398"],"twin_admin_codes":[470,488,466,470,481,470,488,466,493,470,481,470,493,485,493,470,493,470,496,472,470,488,470,466,470],"twin_sims":[0.3720686271894771,0.3717755451388175,0.33201261936003734,0.31546259833985457,0.31076889272903874,0.30413656087306384,0.2983357959262046,0.28743475505437976,0.2751424135178441,0.27509942400877435,0.27000891440327635,0.2680995823615228,0.2672214022733772,0.2631440335215649,0.2521372661133509,0.2442477737649359,0.2327429734582452,0.22869931976284172,0.2286414173878445,0.22669274979275028,0.22637659818135974,0.21024095926244193,0.20009104113805345,0.1974390455198214,0.196966291933552],"twin_dists":[0.182627448135406,0.18270021478920115,0.19286097246485226,0.19728230887385217,0.19855984948454186,0.20038404175055868,0.20199851221478568,0.20508323844710874,0.2086470278732556,0.20865965955621468,0.21016407388354075,0.21073285524990265,0.2109953041701024,0.21222093223266542,0.21559021192302433,0.2180632557280487,0.2217639141308388,0.22309300602004564,0.22311214988367284,0.22375830415148457,0.22386348272002793,0.22936738861718595,0.23297780332109838,0.23394179840429555,0.23411458170674754],"n_dims_used":43,"mean_confidence":0.9145083760106286},"coverage":{"mean_confidence":0.9145083760106286,"n_dims_used":43,"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}}