{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960008382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000269","494:4940008389","490:4900000404","490:4900000326","496:4960009283","496:4960009170","490:4900000199","496:4960009284","496:4960009075","496:4960008957","496:4960009069","496:4960009071","490:4900000707","490:4900000196","490:4900000568","494:4940007882","494:4940008691","490:4900000618","496:4960007915","490:4900000479","490:4900000181","490:4900001073","490:4900000727","494:4940004111","496:4960008267"],"twin_admin_codes":[490,494,490,490,496,496,490,496,496,496,496,496,490,490,490,494,494,490,496,490,490,490,490,494,496],"twin_sims":[0.5768524572747737,0.5602570000551691,0.5334056898218141,0.5181446846731184,0.5181243154276339,0.5160643877477744,0.506762485102961,0.48862684000418155,0.46911084994503216,0.46267677512387934,0.44753677153526444,0.44685182753074354,0.43910327480296946,0.39309848015300214,0.3835263229124856,0.3819163830155455,0.3777974647242523,0.3773655371525618,0.37315107704468353,0.36669159351302155,0.36554471675324335,0.3651904691346414,0.36257071580005046,0.3537449728224551,0.3409811450754373],"twin_dists":[0.13623440644510726,0.13980186810225947,0.14560696724543365,0.1489316407598724,0.14893609308281835,0.14938657171126793,0.15142639601873084,0.15543281724592095,0.15979483577560663,0.16124602299968266,0.16468951209574578,0.16484630772563413,0.16662655225940784,0.17747671713379198,0.17980437002541416,0.1801985542771511,0.18121070641422524,0.18131715418388933,0.1823589416523598,0.1839670282435275,0.18425401702717725,0.1843427536939595,0.18500033747474717,0.18723370596336308,0.19051556729240987],"n_dims_used":45,"mean_confidence":0.917401123046875},"coverage":{"mean_confidence":0.917401123046875,"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}}