{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012521},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012373","490:4900012444","490:4900012597","490:4900012794","490:4900012595","490:4900012591","490:4900012453","490:4900012449","490:4900013123","490:4900013126","490:4900012661","490:4900012310","490:4900012727","490:4900013195","490:4900012728","490:4900012664","490:4900012665","490:4900012380","490:4900012377","490:4900012656","490:4900013125","490:4900012663","490:4900012795","490:4900013223","490:4900012928"],"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":[0.4598106689261299,0.3854102360317332,0.3156443212489151,0.3090515176135077,0.29820895220438504,0.23976860493001798,0.22232049621682723,0.21160899834321623,0.21060075355859909,0.18661449234059288,0.1710659072942159,0.17027219534614782,0.16780577932565677,0.1626682055489822,0.15401880665594306,0.1501200567885174,0.1425138630936854,0.1331313854441829,0.13299061914512667,0.13170224170332123,0.13027436927603442,0.12358376453777367,0.12196840420617838,0.11384110359747616,0.10722084853294984],"twin_dists":[0.1618947308622297,0.17934410827741848,0.19723306519367265,0.19903003880088385,0.2020340194866357,0.21949026329281957,0.2252216287341336,0.22888992498726837,0.22924161176820804,0.23797247375911088,0.24406083138172666,0.24438202939326173,0.24538704656683716,0.2475151987057084,0.25121100493192766,0.25292668285573566,0.25637079043677824,0.26081298552741483,0.2608813939336855,0.26151005409416667,0.2622122169138127,0.26558212326908454,0.2664164365012334,0.2707471374138483,0.27445429714005787],"n_dims_used":45,"mean_confidence":0.9127629597981771},"coverage":{"mean_confidence":0.9127629597981771,"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}}