{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001550},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001274","490:4900003315","490:4900001143","490:4900006640","490:4900006270","490:4900003578","490:4900012349","490:4900006639","490:4900002450","490:4900012564","490:4900001549","490:4900006267","490:4900003180","490:4900001153","490:4900006156","490:4900001285","490:4900004144","490:4900000891","490:4900005755","490:4900006281","490:4900006389","490:4900004538","490:4900003439","490:4900004125","490:4900007363"],"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":[0.736546711290181,0.5633195414278321,0.5610652450857946,0.4836364101786808,0.46790427229125836,0.42653147759472854,0.41785709924300846,0.4171493279088225,0.388041622270148,0.381795529806927,0.36617150205002225,0.3573177640571429,0.3508510093813144,0.34392470109649,0.3420501617418095,0.3373882716503172,0.32780998629351504,0.3252495358459319,0.3247370822358878,0.3243244487447867,0.31929396740473787,0.31920484444556596,0.3190857941294411,0.30595995138601123,0.30317599241563287],"twin_dists":[0.10156527387058847,0.13914258745620509,0.13962782861120587,0.15654287308507364,0.16006645150764315,0.16954159111794082,0.17157356423692025,0.17174014306206173,0.1787030160951462,0.18022817661389895,0.18409711740535478,0.18632619724835922,0.18797227865697932,0.18975302957923246,0.1902382303900784,0.1914511063622731,0.19397189677460616,0.1946525773709199,0.194789166272957,0.19489923624737523,0.1962474475226879,0.19627144008501252,0.19630349518964982,0.1998802590295605,0.2006501404290049],"n_dims_used":45,"mean_confidence":0.9078382703993055},"coverage":{"mean_confidence":0.9078382703993055,"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}}