{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009817},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004699","490:4900009512","494:4940003126","470:4700005929","490:4900008759","490:4900008761","490:4900008319","490:4900004708","490:4900008762","490:4900003348","490:4900005118","490:4900003621","487:4870008683","490:4900004724","493:4930004120","490:4900007506","466:4660006636","493:4930006726","490:4900005910","490:4900006165","493:4930007028","466:4660000133","493:4930006731","490:4900004698","490:4900003622"],"twin_admin_codes":[490,490,494,470,490,490,490,490,490,490,490,490,487,490,493,490,466,493,490,490,493,466,493,490,490],"twin_sims":[0.4325259995184955,0.3871151776871052,0.33790024090811427,0.3249216719524628,0.31851667276946666,0.3094085681092876,0.3029830787452291,0.2788821850516461,0.264282918036049,0.2629770571980605,0.24972975900719532,0.24778016077521453,0.23291997007199447,0.23026551807133497,0.23008815018544165,0.23002204712215948,0.2297517101818913,0.22125835607962857,0.21896777437318307,0.21764219792200326,0.21760881729611298,0.21715643744632554,0.2156345600806956,0.21460829611082474,0.2140250533891745],"twin_dists":[0.1681473746974887,0.17892849296661106,0.19131746957936233,0.19473995212446213,0.19645682799698716,0.1989321610743738,0.20070364079273628,0.20755274787295477,0.21187740659331594,0.2122713759467751,0.21633954827706725,0.21694975265502897,0.22170608632199393,0.22257639473550195,0.22263478292745867,0.22265655116010677,0.22274561811829557,0.22558000069604867,0.22635679114151946,0.22680881692193317,0.22682022366127663,0.226974925834168,0.22749696595925015,0.22785040220909875,0.22805177447448938],"n_dims_used":45,"mean_confidence":0.9138101365831163},"coverage":{"mean_confidence":0.9138101365831163,"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}}