{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001685},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003038","490:4900004549","490:4900003440","490:4900001551","490:4900007364","490:4900002748","490:4900003438","490:4900001553","490:4900004419","490:4900007123","490:4900004002","490:4900001549","490:4900006393","490:4900000897","490:4900004950","490:4900001820","490:4900006271","490:4900006392","490:4900007005","490:4900001828","490:4900003180","490:4900002121","490:4900007740","490:4900002747","490:4900003697"],"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":[0.44579516451942847,0.4377115769868747,0.4119660321778511,0.39708252852431936,0.38526759997890914,0.3469980701202515,0.2965771316335691,0.29254052931318114,0.29166234901104626,0.28967358929088144,0.28835802744602296,0.2775004178412588,0.27687020432697174,0.2723223526348268,0.264588159239478,0.26342398841611303,0.25005041364743025,0.24625699103566498,0.24047948834894226,0.2359674131923111,0.23114368980468347,0.22343966821746392,0.22299964329317673,0.21907385508921157,0.21812121662974035],"twin_dists":[0.16508837533116372,0.16694758751003833,0.17296379562112393,0.17651573485966773,0.17937891834578235,0.18896055586333907,0.2024916071830301,0.20362994814200439,0.20387882874072782,0.20444410500254936,0.20481930704012263,0.20795601213225082,0.20814034444072557,0.20947823150257833,0.21178549281105044,0.21213640248061547,0.21623947899367818,0.21742863579127306,0.2192626378860288,0.22071492323946487,0.2222877431098395,0.22484524822464952,0.22499307946317393,0.22632069673946395,0.22664525723909362],"n_dims_used":45,"mean_confidence":0.913798099093967},"coverage":{"mean_confidence":0.913798099093967,"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}}