{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890004425},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["479:4790001734","489:4890003621","489:4890004378","489:4890004426","489:4890004613","489:4890004840","489:4890004652","489:4890004521","489:4890004323","489:4890003739","489:4890004119","489:4890004008","489:4890003803","479:4790001811","489:4890004332","489:4890004331","470:4700007153","489:4890004217","489:4890005104","489:4890005387","489:4890003618","479:4790001812","479:4790001813","489:4890004225","489:4890004704"],"twin_admin_codes":[479,489,489,489,489,489,489,489,489,489,489,489,489,479,489,489,470,489,489,489,489,479,479,489,489],"twin_sims":[0.9064363721474641,0.7806952792443473,0.7677867548810621,0.7536987138271968,0.724152184291966,0.7154925831903938,0.7095894470791311,0.7094020172187847,0.7084957509503175,0.7028051760446746,0.6991275252091481,0.682809981347618,0.6791210290101881,0.6751863529001908,0.6669767250521961,0.6626318877133732,0.651441102618795,0.6266522389142832,0.6152550009013522,0.6121347934166045,0.6111560914290161,0.6097540607212631,0.6092416255465303,0.6058043785482936,0.6038073190848191],"twin_dists":[0.05756662057154746,0.09138779087012534,0.09441495551688006,0.0976674407269133,0.10434567795549231,0.10627257917114062,0.1075794711198437,0.10762088288125952,0.10782104800379551,0.10907532731973672,0.1098836583207683,0.11345094680560223,0.11425352088497792,0.11510815415732406,0.11688705713634695,0.11782639310889595,0.12023997040358324,0.12556432208718196,0.12800624245782866,0.12867445768857566,0.12888403903460569,0.12918426415589931,0.12929399291223284,0.1300300036592717,0.13045763151111425],"n_dims_used":45,"mean_confidence":0.9203053792317708},"coverage":{"mean_confidence":0.9203053792317708,"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}}