{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004746},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005018","490:4900004332","490:4900003641","490:4900005418","490:4900006312","490:4900005029","490:4900005028","490:4900006311","490:4900006322","490:4900004745","490:4900005164","490:4900005030","490:4900005684","490:4900005287","490:4900005426","490:4900005429","490:4900005167","490:4900006310","490:4900005166","490:4900005031","490:4900006926","490:4900005291","490:4900005956","490:4900006440","490:4900007293"],"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":[0.2512872841797637,0.24665624840412045,0.20924209788675524,0.1068351013087073,0.09908366398476642,0.09196882356792276,0.089925502421052,0.08447479828944406,0.08413124160215031,0.08320278048513757,0.07935221986963811,0.0701344132420793,0.06383447082040478,0.06255544494713484,0.062453180825784826,0.06132249374363121,0.06051663171360887,0.059962839717256446,0.059827897377971846,0.05785501452032984,0.05701522008250708,0.05409740170031723,0.05314437127800402,0.05177052178717559,0.050828109060453],"twin_dists":[0.21585424510315104,0.2173029260119974,0.22971733898528135,0.27467571287502723,0.27926280740893705,0.28372779126997166,0.28506037001597095,0.28873654623189104,0.2889745165980824,0.28962153427493686,0.2923681460609152,0.29940740997229903,0.3046636205265476,0.30578213687196987,0.3058723739258747,0.3068782468845432,0.30760448369028043,0.30810817711270005,0.3082314912146067,0.31006103274369823,0.3108554482625454,0.31369295108814504,0.31464721186924255,0.31604813690242917,0.31702709511130106],"n_dims_used":44,"mean_confidence":0.8963725350119851},"coverage":{"mean_confidence":0.8963725350119851,"n_dims_used":44,"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}}