{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004608},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005555","490:4900007303","490:4900006666","490:4900005304","490:4900006447","490:4900004614","490:4900003504","490:4900005155","490:4900003242","490:4900005020","490:4900006194","490:4900006431","490:4900004609","490:4900007425","490:4900003777","490:4900003916","490:4900005951","490:4900004471","490:4900003772","490:4900002669","490:4900006548","490:4900005163","490:4900002966","490:4900006198","490:4900003373"],"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":[0.6522816089593446,0.4210236118796966,0.39741574796252693,0.3951760990197556,0.3629892769171012,0.34101454593843006,0.32287722511293876,0.31545141612983685,0.3086126678819804,0.30214274249022255,0.3018366378714118,0.2869333030022682,0.28680418112530165,0.28498698560429064,0.27442117145468453,0.26976327641955805,0.25437335587469967,0.253452881881296,0.24974680239892103,0.24827505961542545,0.23496539095604146,0.232538633226738,0.23167700931133173,0.22580076637359286,0.22380326634609987],"twin_dists":[0.12005895660802303,0.1708297700529723,0.1764355614606687,0.17697502194431544,0.184895113598851,0.19050689501499418,0.1952859002119907,0.19728533957895558,0.1991504290244988,0.20093692095719076,0.2010219904473287,0.20522679888882187,0.20526378946470192,0.20578543983892214,0.20885911200004476,0.21023710850838462,0.21489830191490747,0.2151826526368439,0.2163342273412163,0.21679456383100415,0.2210398948776994,0.2218307115114226,0.22211279550790652,0.22405530342079377,0.2247232397302284],"n_dims_used":45,"mean_confidence":0.8986226399739583},"coverage":{"mean_confidence":0.8986226399739583,"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}}