{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003779},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004205","490:4900003921","490:4900003105","490:4900003500","490:4900004346","490:4900003499","490:4900002819","490:4900003378","490:4900007047","490:4900002970","490:4900003776","490:4900002674","490:4900002370","490:4900002963","491:4910002159","490:4900003920","490:4900002669","491:4910001340","490:4900004052","490:4900005421","490:4900003916","490:4900006553","490:4900002670","490:4900007046","490:4900003376"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.46106762597994827,0.39543570437949754,0.3493182426568256,0.30143702506380693,0.2792065080281973,0.2791636850458914,0.2667495287409789,0.2655037128496618,0.25893099383369617,0.25349257268573955,0.25130487788886685,0.247986365009971,0.22708491158752028,0.18558221670434352,0.17483293825727478,0.1682282147265219,0.16813100952919255,0.16321462947503443,0.15799661585936178,0.15580204483052248,0.1546903179910099,0.14853416084835794,0.1481258754955835,0.14680391881390806,0.14501652781054147],"twin_dists":[0.16161005841062465,0.17691241926666987,0.18836474684306112,0.20113312246150947,0.20745827163365413,0.20747074226851261,0.21113654741200283,0.21151019871248125,0.21349988602304654,0.2151703779198833,0.21584877413365586,0.21688506764012117,0.2236279732792764,0.23836531485099244,0.24255077742332284,0.24521416193458265,0.24525391614141837,0.2472865624625459,0.2494930252866235,0.25043687794938696,0.2509187268067308,0.2536339546858231,0.2538169410333944,0.2544119860029766,0.2552228683432731],"n_dims_used":45,"mean_confidence":0.8992207845052084},"coverage":{"mean_confidence":0.8992207845052084,"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}}