{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":492,"cluster_id":4920004255},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["492:4920004345","492:4920005079","492:4920005080","492:4920005497","492:4920005130","492:4920005296","492:4920004406","492:4920006469","492:4920004201","492:4920005021","492:4920006357","492:4920004608","492:4920004713","492:4920006069","492:4920006456","492:4920006122","492:4920006320","492:4920004551","492:4920006468","492:4920004202","492:4920004055","492:4920006508","492:4920006997","492:4920006564","492:4920006371"],"twin_admin_codes":[492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492,492],"twin_sims":[0.8083504924621354,0.6625927958398532,0.6427501176808157,0.6385739927247979,0.6319148864312351,0.5981118677316704,0.5925788539938279,0.5883035628837496,0.5723252081996061,0.5634560394898859,0.5590518928037789,0.5520913009457591,0.5258491757215678,0.523275897658975,0.521913578633887,0.5138994792150773,0.503496860989625,0.49870711518390165,0.48612267143406557,0.48225492178139284,0.44778209024998006,0.4304332651736626,0.42012683225067715,0.41760606193616073,0.41168064023858664],"twin_dists":[0.08471949570284366,0.11783483843666115,0.12210954417182202,0.12300666651671967,0.12443583176743356,0.1316772919252768,0.1328624673420924,0.13377856470953733,0.13720646786828633,0.13911321417138223,0.14006142803447497,0.14156221961315757,0.14725050532387066,0.14781136589945928,0.14810854450197827,0.149860481853532,0.1521448218193924,0.15320085014159981,0.15598939978939544,0.15685079226328708,0.16463337644970014,0.1686332057836072,0.17104017646951958,0.17163263376981902,0.1730313632118002],"n_dims_used":45,"mean_confidence":0.9061903211805555},"coverage":{"mean_confidence":0.9061903211805555,"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}}