{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008531},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009494","490:4900008177","490:4900009402","490:4900009395","490:4900008089","490:4900010204","490:4900008420","490:4900010112","490:4900010002","490:4900008968","490:4900009498","490:4900008741","490:4900008521","490:4900010008","490:4900010897","490:4900008742","490:4900008072","490:4900009073","490:4900009072","490:4900009404","490:4900010640","490:4900008853","490:4900008530","490:4900010386","490:4900009283"],"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":[0.4683716809546438,0.45046700242303916,0.43830588418760236,0.419843622114393,0.4035152995252878,0.39893902978644485,0.37145927090223263,0.3621519574588595,0.3464461470807363,0.3344813038930179,0.30293550511352907,0.3027480935585315,0.30151662559032827,0.2778548278249318,0.25896330644170523,0.2430997471240114,0.24307880875547627,0.23565339368651184,0.2212812268297194,0.21346701450076172,0.2020585620348844,0.19530468754054128,0.19237418599573833,0.19149139827845446,0.18770962906810945],"twin_dists":[0.1599612036901921,0.1640197493848722,0.16681044431786848,0.17110666396120272,0.17497336385025736,0.17606944724592802,0.1827787714597909,0.1851056726001225,0.18910259578290936,0.19221198538516396,0.20071683733624374,0.20076883552258978,0.2011109787704613,0.20785246228197354,0.21349002729358718,0.21842737759724612,0.21843402896628247,0.22081666743321715,0.22557227188267168,0.22824479217322705,0.2322682907049038,0.23472415824442203,0.23580807616034696,0.23613684771476315,0.23755737477499222],"n_dims_used":45,"mean_confidence":0.9166656494140625},"coverage":{"mean_confidence":0.9166656494140625,"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}}