{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003722},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002154","490:4900002007","490:4900001721","490:4900004424","490:4900001705","490:4900003219","490:4900002906","487:4870001767","494:4940008002","490:4900002751","494:4940008201","494:4940007187","490:4900002325","490:4900001683","490:4900002446","494:4940007384","490:4900003580","494:4940007889","493:4930007007","494:4940007486","494:4940007393","494:4940005542","490:4900002316","490:4900004421","490:4900001027"],"twin_admin_codes":[490,490,490,490,490,490,490,487,494,490,494,494,490,490,490,494,490,494,493,494,494,494,490,490,490],"twin_sims":[0.49438741595210883,0.38230771037895095,0.37289300676851855,0.35084407426255504,0.34330483217930696,0.3292440507238758,0.3249626862003417,0.310466151009903,0.31031509637031834,0.3095390817810877,0.30497038565653767,0.29658974090680124,0.2834359047138864,0.28206804782487815,0.27941874671042505,0.2782523363586699,0.2758113314570578,0.2757712218199355,0.2727630264837612,0.2646912317551271,0.26274596938997025,0.26154160936972287,0.2597300958483309,0.2551821183000444,0.2548965103428702],"twin_dists":[0.15415569075183896,0.18010266689126908,0.18242292220082607,0.18797405238612191,0.1899133185872248,0.19359194130472107,0.19472901927197872,0.19864262694471732,0.1986839464925223,0.19889639973129425,0.2001534487984653,0.202488065679935,0.2062322836549577,0.20662756916475097,0.20739648200169478,0.207736415845839,0.2084506340407009,0.2084624019800532,0.2093479968208383,0.21175447071156922,0.21234122087433516,0.21270585572564848,0.21325630314568803,0.21464899946422097,0.21473698130482285],"n_dims_used":45,"mean_confidence":0.9184206644694011},"coverage":{"mean_confidence":0.9184206644694011,"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}}