{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001802},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001801","493:4930005170","493:4930005046","494:4940000389","487:4870001712","480:4800006453","493:4930004633","492:4920002850","487:4870011626","494:4940000852","487:4870003063","487:4870001979","487:4870012360","494:4940000904","487:4870011625","494:4940000335","493:4930004915","494:4940000677","480:4800006493","480:4800006488","487:4870004045","494:4940000735","494:4940000286","487:4870001799","494:4940001026"],"twin_admin_codes":[487,493,493,494,487,480,493,492,487,494,487,487,487,494,487,494,493,494,480,480,487,494,494,487,494],"twin_sims":[0.271375434225552,0.2511712631550213,0.24273516741753293,0.23789130751826298,0.22481314122484894,0.19698484620167458,0.17469618523548996,0.1744814101286526,0.17337698464913376,0.16617861717031873,0.16079364873577928,0.1569803086346624,0.1569125428277899,0.14966800505065325,0.1463151504912218,0.14579126565191272,0.1357949607211883,0.13299023730974743,0.12923837078053876,0.12765996892825546,0.1273651116752696,0.12560899430603295,0.12524253488272352,0.11861065069413658,0.11682422969934293],"twin_dists":[0.20975851902922127,0.21589032931810395,0.21854324447224702,0.22009349279132737,0.2243850583024222,0.23410779503276002,0.24260518756966676,0.24269070186069772,0.2431316277500322,0.24605591801082694,0.2483038134732191,0.24992892625931332,0.24995806461524753,0.2531277238440248,0.254632995483681,0.25487049116848925,0.2595286902129763,0.2608815795688353,0.26272531784739694,0.26351306512552275,0.2636610382113705,0.2645477582013176,0.26473397987424946,0.2681780167607426,0.2691308239839531],"n_dims_used":42,"mean_confidence":0.8942811148507255},"coverage":{"mean_confidence":0.8942811148507255,"n_dims_used":42,"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}}