{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004556},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003312","490:4900003711","490:4900004003","490:4900005366","490:4900004811","490:4900001977","490:4900003714","490:4900002742","490:4900003741","490:4900002290","490:4900004158","490:4900002134","490:4900003165","490:4900005099","490:4900002895","490:4900002307","490:4900002132","490:4900002586","490:4900002291","490:4900002916","496:4960007403","494:4940006223","490:4900003581","490:4900002443","490:4900004952"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,494,490,490,490],"twin_sims":[0.4901516258459618,0.38808674697420664,0.346736874025909,0.3324250126132967,0.32012423695269615,0.3139751978454069,0.2734611267652384,0.263875146765017,0.26032871177625355,0.25940364542926553,0.2557178359761566,0.24986613871409857,0.24574179897608434,0.22063869292522006,0.21194655713930127,0.2104941732320021,0.20300546540396217,0.19421777830488338,0.1933119498147592,0.1926337672366506,0.19050418420060178,0.18686097784106398,0.18451666787285223,0.1843875498722148,0.18171470448067625],"twin_dists":[0.15509433733659622,0.1786920401999423,0.18902776099485308,0.19275237666976636,0.19602411333104205,0.19768597413269254,0.20914194815569453,0.21200029754449098,0.21307414133233893,0.21335575493193235,0.2144841392339607,0.2162969771251783,0.21759104253751899,0.22578960984008842,0.22877243479167095,0.2292788548837724,0.23192851813936424,0.23512485079073595,0.23545997939960187,0.23571160188376278,0.23650576480579716,0.23787889749217606,0.238772433210653,0.23882187813627484,0.23985095556910552],"n_dims_used":45,"mean_confidence":0.9184968736436632},"coverage":{"mean_confidence":0.9184968736436632,"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}}