{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003950},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001377","490:4900001511","490:4900001125","490:4900002846","490:4900003403","490:4900001111","490:4900001120","490:4900001237","490:4900001118","490:4900001645","490:4900002699","490:4900001375","490:4900001110","490:4900003804","490:4900001119","490:4900005964","490:4900002988","490:4900003256","490:4900003131","490:4900003793","490:4900002695","490:4900003389","490:4900006214","490:4900002989","490:4900003397"],"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":[0.3251195784729258,0.20355398048598383,0.11191763017646894,0.10838227813003758,0.09188249741006847,0.08079294878992543,0.04285268549624632,0.03969995385337298,0.03916954666610502,0.03704522355833705,0.034192084234270094,0.022655402419363223,0.022245860391146486,0.020585559904978543,0.020364145499996628,0.019608743309738486,0.01889465314139802,0.01837001342871074,0.017336441944151775,0.015550951908812118,0.015136107812351508,0.014886651260591362,0.014746849145511576,0.01386170042003929,0.012810135224269032],"twin_dists":[0.19468720477404797,0.2317321946943896,0.2718066765448,0.2737913566860065,0.2837836137052926,0.2913282238813556,0.32598170144411365,0.32991214393683516,0.33059910847721946,0.3334318911859186,0.337461861027274,0.3574431366146696,0.35830294300923354,0.36193600632852224,0.3624396265661191,0.3641945423475105,0.3659086073000408,0.36720438167642183,0.3698548365979235,0.3747788611693515,0.37599380255471637,0.37673857122146387,0.3771607810340993,0.3799189768544757,0.3834056152044985],"n_dims_used":45,"mean_confidence":0.9229215833875868},"coverage":{"mean_confidence":0.9229215833875868,"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}}