{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000131},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000170","489:4890000102","470:4700001090","489:4890000171","481:4810005936","489:4890000426","481:4810006000","481:4810005349","489:4890000302","489:4890000504","489:4890000209","481:4810006071","489:4890000404","485:4850003248","489:4890000212","489:4890000303","489:4890000396","489:4890000647","481:4810005984","470:4700001087","489:4890000252","489:4890000023","489:4890000349","489:4890000664","481:4810005405"],"twin_admin_codes":[489,489,470,489,481,489,481,481,489,489,489,481,489,485,489,489,489,489,481,470,489,489,489,489,481],"twin_sims":[0.7548090291730757,0.6389793823911318,0.5067694802991788,0.487941427888849,0.4371397254440254,0.39076954657592583,0.3905450469353863,0.36176468205859336,0.35656006397502055,0.35649553499736475,0.3549603334564644,0.33063830737726263,0.33015403861216974,0.32447952793282725,0.3237165263307065,0.32076979422216056,0.3146415352605675,0.31254806146688546,0.3071006537979191,0.2957539093452693,0.2930056046729092,0.29195697481716104,0.2911377676695464,0.290743361659562,0.29071944334080746],"twin_dists":[0.09741287900386414,0.12291961098299256,0.15142485842798137,0.15558507224227122,0.16707961822023729,0.17804056558983475,0.17809500107038784,0.18520314351124156,0.18651826461888873,0.18653463160293046,0.18692446832182022,0.19322340451994766,0.19335131194902921,0.19485785975450962,0.19506154149903832,0.19585068939451394,0.19750500309015392,0.19807430731938613,0.19956597754115388,0.20272301364588372,0.20349832303823054,0.2037952808077071,0.20402771010609455,0.20413975153027022,0.20414654906736196],"n_dims_used":45,"mean_confidence":0.9139794243706597},"coverage":{"mean_confidence":0.9139794243706597,"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}}