{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002743},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003996","490:4900002298","490:4900002447","490:4900003721","490:4900003582","490:4900003852","490:4900004547","490:4900004417","490:4900002587","490:4900003179","490:4900012914","490:4900002728","490:4900004958","490:4900002581","490:4900002746","490:4900003579","490:4900004407","490:4900001670","490:4900003597","490:4900003451","490:4900002600","490:4900004004","490:4900004270","490:4900001817","490:4900003040"],"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":[0.5939133547814062,0.5594779678938149,0.5520785895161359,0.47650859176799615,0.47343031967659166,0.4430260992793139,0.425651590817598,0.42138736853691955,0.4174415303208637,0.41092109066689686,0.40567957802137006,0.4009730331856688,0.39236723521267725,0.3862567543056607,0.3586009936486047,0.34178215974208803,0.3381583652411576,0.3348365248277182,0.32908222454709535,0.32613659828585356,0.32331104484440415,0.3179957587570856,0.3115395272159414,0.30972703747268343,0.297007033358039],"twin_dists":[0.1325765786336476,0.13996964972910136,0.1415649629845997,0.15813460455625777,0.15882439542820745,0.1657237741301131,0.1697469117462355,0.1707444778128191,0.17167135658925425,0.17321128913727046,0.17445693775935625,0.17558157494273585,0.17765358776087348,0.17913764290671172,0.18600139161327664,0.19030771506296593,0.1912501340753422,0.19211881697365737,0.1936347714914326,0.19441642244733517,0.19516989270086868,0.1965973080167722,0.1983493458938295,0.19884491420526737,0.20237091279806407],"n_dims_used":45,"mean_confidence":0.9161879645453559},"coverage":{"mean_confidence":0.9161879645453559,"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}}