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        "markdown": "https://hangingcontext.com/stories/2026-10-14/agent-evals-worlds/index.md",
        "trust": "reported",
        "source_count": 3,
        "cited_manifest_ids": [
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          "1791953638104429191",
          "1791953638105360822"
        ]
      }
    }
  ],
  "_sponsor": {
    "label": "From Synorb",
    "title": "Claims with a source link",
    "text": "A Manifest holds a Signal of structured claims and a Brief, plus the source it came from. Your agent can check a sentence against it.",
    "cta": {
      "label": "Read the guide",
      "url": "https://synorb.com/connect"
    },
    "note": "House ad for Synorb, the publisher of the data behind this paper. Not a news item."
  }
}