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  "title": "Shanghai Data Exchange",
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       "value": "Independent counterweight. Guiyang's earlier exchange saw few transactions; quotes Trivium's Tom Nunlist that the venue is 'still very experimental, and there are many foundational challenges to solve, including standardizing data valuations'.",
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       "value": "Confirms the 20 launch products and the first trade, in which ICBC's Shanghai branch obtained State Grid data. States that Guiyang's 2015 exchange failed to take off.",
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       "value": "Independent counterweight on adoption: only 283 companies had registered data assets by end-2024, out of nearly 60 million registered firms. Quotes CIGI's Alex He that earlier exchanges failed on weak standards, data quality and low trust.",
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      "title": "Pudong New Area government — SDE international zone, second anniversary (30 Apr 2025)",
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     "sourcesUsedByClaims": 8,
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     "sourcesWithArchive": 0,
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    },
    "limits": [
     "Publisher names and source languages have not yet been classified; domains are recorded without guessing.",
     "Existing source notes are descriptive locators, not page- or paragraph-exact citations.",
     "A missing archive, publication date or content hash is shown as null rather than inferred.",
     "The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim."
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 ]
}