{
  "method": "v1: live source-reachability per URL + claim-level flags carried from the System-2 curator (flagged_ungrounded). Full per-claim citation re-walk is v2 (external review / the Roost).",
  "audited_at": "2026-07-22T01:30:33+00:00",
  "urls_total": 2,
  "urls_alive": 2,
  "url_checks": [
    {
      "url": "https://www.mas.gov.sg/bonds-and-bills",
      "checked_at": "2026-07-22T01:30:20+00:00",
      "status": 200,
      "ok": true,
      "final_url": "https://www.mas.gov.sg/bonds-and-bills"
    },
    {
      "url": "https://fred.stlouisfed.org",
      "checked_at": "2026-07-22T01:30:21+00:00",
      "status": 200,
      "ok": true,
      "error": "TimeoutError",
      "final_url": "https://fred.stlouisfed.org"
    }
  ],
  "flagged_claims": [
    "US 1-yr Treasury yield: 3.94% (30 Jun) - source cited as FRED, but no specific tool output provided",
    "US 1-yr Treasury yield: 3.97% (1 Jul) - source cited as FRED, but no specific tool output provided",
    "US 1-yr Treasury yield: 3.98% (2 Jul) - source cited as FRED, but no specific tool output provided",
    "US 1-yr Treasury yield: 4.00% (3 Jul) - source cited as FRED, but no specific tool output provided",
    "US 10-yr Treasury yield: 4.38% (30 Jun, 1 Jul) - source cited as FRED, but no specific tool output provided",
    "US 10-yr Treasury yield: 4.44% (2 Jul) - source cited as FRED, but no specific tool output provided",
    "US 10-yr Treasury yield: 4.48% (3 Jul) - source cited as FRED, but no specific tool output provided",
    "SGD-USD yield gap is approximately 250 bps - derived from cited yields, but no direct tool output for the spread",
    "US yield curve is not inverted (2s10s spread +28 bps on 1 Jul, +30 bps on 2 Jul; 3m10y +57 bps on 2 Jul) - specific spread values not directly from a cited tool output",
    "SSB is superior for short-term parking due to liquidity and optionality - predictive/correlational claim without cited tool source",
    "Holding SGD cash has opportunity cost vs USD if FX risk is acceptable - predictive/correlational claim without cited tool source",
    "SSB step-up provides optionality: exit if rates rise, hold if rates fall - predictive/correlational claim without cited tool source",
    "6-mo T-bill offers a marginal 4 bps yield edge over SSB Year 1 - derived from cited yields, but no direct tool output for the comparison",
    "SSB Year 1 return matches 1-yr T-bill cut-off - derived from cited yields, but no direct tool output for the comparison"
  ],
  "flagged_ratio": 0.7,
  "seal_rule": "urls_alive>=90% AND flagged<=10% of facts",
  "verdict": "provisional"
}