{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009664},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008022","490:4900010158","490:4900009966","490:4900010324","490:4900008131","490:4900010419","490:4900008020","490:4900008703","490:4900009859","490:4900009855","490:4900010157","490:4900009854","490:4900010682","490:4900008679","490:4900009238","490:4900010046","490:4900009957","490:4900009562","490:4900010345","490:4900009239","490:4900010162","490:4900010334","490:4900008557","490:4900010251","490:4900010067"],"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":[0.34133531550652163,0.33338539102424675,0.24304676043840728,0.21371991293710602,0.21355880357045906,0.20638793573057507,0.19212329223716237,0.17355160578515044,0.15819777251574943,0.1471053380684904,0.14451226084783594,0.14193360483091516,0.13483052083686214,0.13204233416818875,0.1312986621650797,0.1305583135297309,0.11896558731325582,0.11750787268970574,0.10676773424230243,0.10602921327779198,0.10447152443874479,0.10374189808766288,0.09835905415630658,0.09775660660194677,0.096015517392457],"twin_dists":[0.19042363279449562,0.19249976422865164,0.2184442102850499,0.22815727599973554,0.22821302022248355,0.23072360382234253,0.2359014079296502,0.2430617795253286,0.2494069904229889,0.25427596245019923,0.25545297626479596,0.25663907879460884,0.25999151174737795,0.26134365873826687,0.26170793197820513,0.2620721253306652,0.2679900180395332,0.2687648852240401,0.2747144446540611,0.27514029684615326,0.27604612160932523,0.2764740322880841,0.27970578863777423,0.28007604047566165,0.2811562461356951],"n_dims_used":45,"mean_confidence":0.8945117526584201},"coverage":{"mean_confidence":0.8945117526584201,"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}}