{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002165},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003464","490:4900002023","490:4900003058","490:4900003199","490:4900003208","490:4900003209","490:4900004147","490:4900002926","490:4900004166","490:4900003218","490:4900003084","490:4900003204","490:4900003478","490:4900000929","490:4900002001","490:4900003724","490:4900003864","490:4900002753","490:4900003336","490:4900003741","490:4900002639","490:4900003359","490:4900000904","490:4900001300","490:4900004156"],"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":[0.577677721950826,0.5543049501387433,0.5011925582186381,0.48653969056807667,0.48173974353451704,0.4652268982193594,0.4634939340955352,0.4628049848463701,0.45962405294383396,0.45439446779985637,0.4284667281300779,0.39068450280551653,0.3805108509705287,0.3736023150527166,0.3666528434532228,0.35670585819991996,0.3551501017638042,0.349862416480909,0.34955162098133596,0.3459679508560074,0.34368619850367316,0.33344106048916194,0.31758239750769085,0.316728115035665,0.3140586989080344],"twin_dists":[0.1360572890044734,0.14108462191147425,0.15265251927224283,0.1558966515595774,0.15696569089587586,0.16067002044953313,0.1610613288685087,0.16121703749869412,0.16193701876992467,0.16312458813823577,0.16909061644073534,0.17806118482905395,0.18054334370466393,0.18224712349867803,0.18397671750406486,0.1864812913183435,0.18687623297881037,0.18822530690957415,0.1883049316866805,0.1892257584550464,0.18981468464834855,0.19248513342374055,0.1967088755340419,0.19693970903509345,0.1976632840710507],"n_dims_used":45,"mean_confidence":0.916756354437934},"coverage":{"mean_confidence":0.916756354437934,"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}}