{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000832},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000948","490:4900000195","490:4900000186","490:4900000246","490:4900000830","490:4900000162","490:4900000222","490:4900000350","490:4900000419","490:4900000161","490:4900000047","490:4900000626","490:4900000265","490:4900000288","490:4900000951","490:4900000144","490:4900000049","490:4900000703","490:4900000280","490:4900000029","490:4900000235","490:4900000177","490:4900001082","490:4900000952","490:4900000934"],"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":[0.685403857715567,0.6366457321030943,0.6290284403411481,0.5865880195049259,0.5615644749645469,0.5577213513138739,0.5423757154235725,0.528431986262849,0.5162924771473951,0.4928208538288622,0.4845437439966146,0.47950835250316504,0.46490889631096544,0.4446751210125818,0.438102233372347,0.4256174671340205,0.4181159519472638,0.4049085864796171,0.39376272707425125,0.38180105296801053,0.37948448605388374,0.378575628732361,0.3782155607000763,0.3729808912632318,0.36833797097155346],"twin_dists":[0.11288581676209261,0.12342066604774568,0.12505487638158852,0.13414626920019745,0.13952034631055238,0.1403480955949051,0.14366212055641117,0.1466881796541141,0.14933667017352603,0.1545025625494749,0.15634078726133396,0.15746380103310326,0.16074178818459584,0.16534520145782064,0.1668574308136913,0.16975487800985556,0.17151267159299577,0.17464076513145022,0.17731618414914874,0.18022682273330365,0.18079550832769736,0.18101907851110968,0.1811077237765224,0.1824011315063361,0.18355583245763984],"n_dims_used":45,"mean_confidence":0.9168557908799914},"coverage":{"mean_confidence":0.9168557908799914,"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}}