{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002888},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002925","489:4890001913","479:4790001128","470:4700007281","489:4890003078","489:4890003174","489:4890001652","489:4890003258","489:4890003359","489:4890002179","489:4890002016","489:4890001839","489:4890002241","479:4790000100","489:4890002923","489:4890001755","489:4890002092","470:4700007823","489:4890002749","489:4890001852","489:4890002243","489:4890002477","489:4890002662","489:4890002168","489:4890002836"],"twin_admin_codes":[489,489,479,470,489,489,489,489,489,489,489,489,489,479,489,489,489,470,489,489,489,489,489,489,489],"twin_sims":[0.6327511264423321,0.5927023806841069,0.5920967410338064,0.5602180551756607,0.5271997316041369,0.5249998497357322,0.524565679806604,0.49448768913778673,0.48419553473615595,0.4803888703988598,0.4791312740617401,0.46972491407539035,0.4504660324055583,0.44355458532874986,0.43677483871969097,0.4261743162374764,0.4237664905525908,0.4135221147628901,0.41197845193304494,0.4106292579964964,0.409157250735956,0.4085005950964812,0.40756821714822694,0.38430521029626463,0.37194530415870436],"twin_dists":[0.12425644080835899,0.13283600318735211,0.13296575679615177,0.13981025497124464,0.14695638902437208,0.147435552420453,0.14753017315939213,0.15413349894018327,0.15641832821423668,0.15726715653759127,0.1575480485562388,0.1596566934133283,0.16401997083110675,0.1656023885029034,0.16716390001988232,0.16962491317907036,0.1701873919115063,0.17259574537696834,0.17296085566224068,0.1732804586204984,0.17362967961406078,0.17378564379796313,0.17400728593876016,0.1796139483639083,0.18265806342432953],"n_dims_used":45,"mean_confidence":0.9143569946289063},"coverage":{"mean_confidence":0.9143569946289063,"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}}