{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009652},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010597","490:4900010432","490:4900010248","490:4900011447","490:4900008472","490:4900011898","490:4900011312","490:4900009350","490:4900009756","490:4900011013","490:4900009954","490:4900008105","490:4900010317","490:4900009127","490:4900008223","490:4900010907","490:4900008663","490:4900008234","490:4900010053","490:4900010518","490:4900009449","490:4900009732","490:4900009537","490:4900006579","490:4900009850"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.002045347764277237,0.0016160254507867073,0.00012100886836952542,0.00010303756262726057,0.0000836797590532902,0.00005557673604870571,0.00005039807763126903,0.00004404202000581349,0.00003281445239959313,0.00002767947490668194,0.000026194053158136594,0.000014529394310242172,0.000014036781414112374,0.000008664233644528614,0.000007681961615319255,0.000007657406740780276,0.0000052655163547757725,0.000004423582647245003,0.0000027537967325817784,0.000002130346879750509,0.0000016826277995757873,0.0000014748000108269016,0.0000014425582192853812,0.0000012934094508459284,0.0000011485314872401786],"twin_dists":[0.4570470301846388,0.4656606436534248,0.5516118759661764,0.5565062511278079,0.562778192180863,0.5749127352880042,0.5777753081661207,0.5816975603488903,0.5901689201532084,0.5950128276628269,0.5965744150449578,0.6130113432956398,0.6139596964658429,0.6270747794606064,0.63030312878702,0.6303887988971882,0.640330782061963,0.6449039422077245,0.6571836415031087,0.6637393389490426,0.6697080621308418,0.6730202738795936,0.6735740293103838,0.6763014582730356,0.6792578819275306],"n_dims_used":45,"mean_confidence":0.8897940741644965},"coverage":{"mean_confidence":0.8897940741644965,"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}}