{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001267","491:4910001385","491:4910001070","491:4910001205","491:4910001568","491:4910001006","491:4910001007","491:4910001203","491:4910001136","491:4910001338","491:4910002360","491:4910001680","490:4900002067","491:4910001200","491:4910001860","491:4910001262","491:4910001265","491:4910001384","491:4910001511","491:4910001916","491:4910001252","491:4910001339","491:4910001914","491:4910001689","491:4910001316"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,490,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.2555047514701074,0.22381428920904745,0.2214103345063601,0.21480176662444256,0.20118557942632406,0.1993456385808379,0.18609144288975418,0.18260941953463758,0.18257221826699133,0.1559286564929347,0.15537288957986867,0.15388701616455225,0.15065287522112158,0.15041529504586118,0.1379545961940923,0.13429112559344533,0.13310186802084695,0.12671887671807985,0.12527440414474025,0.12446445789555581,0.12192940471952719,0.11343078719289942,0.11132948692435686,0.11076640058945794,0.10734085759785573],"twin_dists":[0.21454968701770724,0.22471954297607627,0.2255286519689981,0.22778368558352158,0.23258250960527982,0.23324786001554615,0.2381713332257825,0.23950529728070324,0.23951964551184252,0.2503821611089749,0.25062258505192847,0.2512684768316604,0.2526902940092279,0.25279562206536654,0.2585011734299432,0.2602514442198566,0.26082732564407973,0.26398625881474613,0.2647177686352237,0.2651307472413619,0.2664366830575702,0.2709719947890785,0.27213345607556294,0.27244756522229213,0.2743855390284258],"n_dims_used":45,"mean_confidence":0.8958395216200087},"coverage":{"mean_confidence":0.8958395216200087,"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}}