{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001963},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001811","490:4900001404","490:4900001987","490:4900003861","490:4900003580","490:4900001814","490:4900002282","490:4900002446","490:4900002739","490:4900001543","490:4900002284","490:4900004537","494:4940007997","490:4900003030","490:4900003707","490:4900001406","490:4900002127","490:4900002278","490:4900002128","490:4900001979","490:4900003992","490:4900005896","494:4940006833","494:4940006832","490:4900001532"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,494,494,490],"twin_sims":[0.5779981755774376,0.5026695378386481,0.46355684238001243,0.4404239087493095,0.4273512629791516,0.4060381485318213,0.3630085981495541,0.33184672063506665,0.32188999004020236,0.3169000683042124,0.3164652752484073,0.31494911362710776,0.3125675281460616,0.309993044136762,0.30756037984439755,0.3072018661574529,0.296852922113588,0.29351702058079077,0.2904295301113811,0.2901535232289777,0.29015233770288024,0.28921348332252766,0.28514028950555687,0.2815374354509061,0.28064718913412684],"twin_dists":[0.1359885196748899,0.15232702921536728,0.16104711507851702,0.16632227905736396,0.16935045252698136,0.17437149694643062,0.18489025783639373,0.19290467947662476,0.1955502207794055,0.19689321774253762,0.19701080104220456,0.19742154106652324,0.19806900352232373,0.19877207927302037,0.19943950614051711,0.1995381244918016,0.2024141675158249,0.20335372554978853,0.2042289683026368,0.2043074796561036,0.20430781698009068,0.20457521263373965,0.20574135482674633,0.20678121835363342,0.20703940105586885],"n_dims_used":45,"mean_confidence":0.9191800435384114},"coverage":{"mean_confidence":0.9191800435384114,"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}}