{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000924},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001223","489:4890000917","489:4890001284","489:4890001100","489:4890001177","489:4890001036","469:4690008463","489:4890000918","481:4810004416","485:4850001755","478:4780003772","478:4780000829","481:4810005769","481:4810005897","469:4690008403","469:4690008523","481:4810005957","489:4890000992","481:4810005907","489:4890000993","489:4890001283","469:4690008673","481:4810005908","489:4890001114","498:4980003311"],"twin_admin_codes":[489,489,489,489,489,489,469,489,481,485,478,478,481,481,469,469,481,489,481,489,489,469,481,489,498],"twin_sims":[0.575987090066235,0.5586866618186647,0.2593186104689385,0.23696601512408652,0.18897673223590847,0.14833844462547938,0.1163598761312062,0.10115559018714806,0.08498246080491932,0.07941360052689438,0.07523514622577396,0.06716315643256003,0.060205708226228546,0.05408232564688113,0.0537849519024394,0.04975451479216008,0.049248625739164435,0.04847809308970324,0.041410080348198514,0.03837063493894214,0.03605224281899213,0.035682033330905194,0.03535719900111908,0.032488614072659024,0.03207782491315122],"twin_dists":[0.13642015547952682,0.1401401080741795,0.2133816734151996,0.2203919571785892,0.23707920712102298,0.25372162488785577,0.26938031987913647,0.2780100113263314,0.28838631439252976,0.292323533689005,0.29542588121160573,0.30183626901858435,0.30788681082116204,0.31370793773046723,0.314004257836904,0.3181609020696748,0.31870224398606084,0.31953575578791116,0.3277488096056983,0.3316488307661106,0.3348035414777045,0.3353231490222682,0.3357828582753558,0.3400066248514784,0.34063729998927855],"n_dims_used":45,"mean_confidence":0.9145201789008246},"coverage":{"mean_confidence":0.9145201789008246,"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}}