{
  "summary": "This chapter is observing (no good/bad criterion): observation started 2026-08-30, 3 series, latest confirmed 2026-09-23. Latest final value: 10-year Treasury par yield 5.11% (2026-09-23). (Source: U.S. Department of the Treasury; Grants.gov / updated 2026-09-24 18:01 JST)",
  "cite_as": "AI Lifeline, Fiscal & capital (United States edition), data confirmed 2026-09-23, https://ai-lifeline.org/us/fiscal/",
  "frequency_note": "Yields and TGA are daily (business days); the grants count is a daily snapshot aggregated monthly.",
  "cannot_say": [
    "Whether a yield or a cash balance is good or bad for AI, or where rates are heading (no criterion; nothing here is financial advice).",
    "How much the federal government budgets or spends on AI (annual budget figures do not meet the monthly-or-better rule; kept as a candidate ledger).",
    "General economic conditions (stocks, exchange rates and inflation are out of scope by design)."
  ],
  "generated": "2026-09-24 18:01",
  "candidates": [
    {
      "status": "candidate_ledger",
      "name": "AI-related federal budget (annual; irregular ledger)",
      "reason": "Annual frequency does not meet the monthly-or-better rule; will be kept as a manual sourced ledger."
    }
  ],
  "region": "us",
  "confirmed_note": "The daily array holds confirmed (completed) days only; the current day, if collected, sits in today_provisional.",
  "series": {
    "ai_grants_open": {
      "query_definition": "Grants.gov search2 full-text keyword: \"artificial intelligence\", status: posted. Counts are defined entirely by this query.",
      "name": "Posted funding opportunities matching the AI query (count; monthly = last snapshot of the month)",
      "causal_note": "Grant postings are the monthly pulse of the state actually opening its funding tap for AI — not a promise (budget), but a posted call.",
      "data_status": "live",
      "monthly": [
        {
          "period": "2026-08",
          "value": 169,
          "as_of": "2026-08-31"
        },
        {
          "period": "2026-09",
          "value": 160,
          "as_of": "2026-09-23"
        }
      ],
      "source": {
        "name": "Grants.gov search API",
        "license": "U.S. federal government service. No key (search2 is unauthenticated).",
        "url": "https://grants.gov/api/api-guide"
      },
      "daily_snapshots": [
        {
          "date": "2026-08-29",
          "value": 171,
          "fetched_at": "2026-08-30 00:17"
        },
        {
          "date": "2026-08-30",
          "value": 170,
          "fetched_at": "2026-08-30 18:00"
        },
        {
          "date": "2026-08-31",
          "value": 169,
          "fetched_at": "2026-08-31 18:00"
        },
        {
          "date": "2026-09-01",
          "value": 167,
          "fetched_at": "2026-09-01 18:01"
        },
        {
          "date": "2026-09-02",
          "value": 178,
          "fetched_at": "2026-09-02 18:00"
        },
        {
          "date": "2026-09-03",
          "value": 181,
          "fetched_at": "2026-09-04 08:46"
        },
        {
          "date": "2026-09-04",
          "value": 180,
          "fetched_at": "2026-09-04 18:00"
        },
        {
          "date": "2026-09-05",
          "value": 181,
          "fetched_at": "2026-09-05 18:00"
        },
        {
          "date": "2026-09-06",
          "value": 181,
          "fetched_at": "2026-09-06 18:00"
        },
        {
          "date": "2026-09-07",
          "value": 181,
          "fetched_at": "2026-09-07 18:00"
        },
        {
          "date": "2026-09-08",
          "value": 181,
          "fetched_at": "2026-09-08 18:33"
        },
        {
          "date": "2026-09-09",
          "value": 179,
          "fetched_at": "2026-09-09 18:01"
        },
        {
          "date": "2026-09-10",
          "value": 178,
          "fetched_at": "2026-09-10 18:00"
        },
        {
          "date": "2026-09-11",
          "value": 175,
          "fetched_at": "2026-09-11 18:00"
        },
        {
          "date": "2026-09-12",
          "value": 173,
          "fetched_at": "2026-09-12 18:00"
        },
        {
          "date": "2026-09-13",
          "value": 173,
          "fetched_at": "2026-09-13 18:00"
        },
        {
          "date": "2026-09-14",
          "value": 171,
          "fetched_at": "2026-09-14 18:00"
        },
        {
          "date": "2026-09-15",
          "value": 167,
          "fetched_at": "2026-09-15 18:01"
        },
        {
          "date": "2026-09-16",
          "value": 165,
          "fetched_at": "2026-09-16 18:00"
        },
        {
          "date": "2026-09-17",
          "value": 163,
          "fetched_at": "2026-09-17 18:00"
        },
        {
          "date": "2026-09-18",
          "value": 163,
          "fetched_at": "2026-09-18 18:00"
        },
        {
          "date": "2026-09-19",
          "value": 164,
          "fetched_at": "2026-09-19 18:35"
        },
        {
          "date": "2026-09-20",
          "value": 164,
          "fetched_at": "2026-09-20 18:01"
        },
        {
          "date": "2026-09-21",
          "value": 163,
          "fetched_at": "2026-09-21 18:01"
        },
        {
          "date": "2026-09-22",
          "value": 163,
          "fetched_at": "2026-09-22 18:00"
        },
        {
          "date": "2026-09-23",
          "value": 160,
          "fetched_at": "2026-09-23 18:00"
        }
      ],
      "today_provisional": {
        "date": "2026-09-24",
        "value": 161,
        "as_of": "2026-09-24 18:01",
        "note": "provisional (partial day, as of retrieval time)"
      }
    },
    "tga_balance": {
      "name": "Treasury General Account opening balance (millions of USD, daily)",
      "data_status": "live",
      "causal_note": "The federal cash position is the upstream water level of public AI investment: when it tightens, AI programs are squeezed before private demand.",
      "source": {
        "name": "U.S. Department of the Treasury, Daily Treasury Statement (Fiscal Data)",
        "license": "Public domain (U.S. federal government work). No key.",
        "url": "https://fiscaldata.treasury.gov/datasets/daily-treasury-statement/"
      },
      "daily": [
        {
          "date": "2026-08-14",
          "value": 966587.0,
          "fetched_at": "2026-08-31 18:00"
        },
        {
          "date": "2026-08-17",
          "value": 959184.0,
          "fetched_at": "2026-09-01 18:00"
        },
        {
          "date": "2026-08-18",
          "value": 932785.0,
          "fetched_at": "2026-09-02 18:00"
        },
        {
          "date": "2026-08-19",
          "value": 961952.0,
          "fetched_at": "2026-09-03 21:53"
        },
        {
          "date": "2026-08-20",
          "value": 936406.0,
          "fetched_at": "2026-09-04 18:00"
        },
        {
          "date": "2026-08-21",
          "value": 935077.0,
          "fetched_at": "2026-09-08 18:33"
        },
        {
          "date": "2026-08-24",
          "value": 933218.0,
          "fetched_at": "2026-09-09 18:01"
        },
        {
          "date": "2026-08-25",
          "value": 966849.0,
          "fetched_at": "2026-09-10 18:00"
        },
        {
          "date": "2026-08-26",
          "value": 994137.0,
          "fetched_at": "2026-09-11 18:00"
        },
        {
          "date": "2026-08-27",
          "value": 959435.0,
          "fetched_at": "2026-09-14 18:00"
        },
        {
          "date": "2026-08-28",
          "value": 950804.0,
          "fetched_at": "2026-09-15 18:01"
        },
        {
          "date": "2026-08-31",
          "value": 971343.0,
          "fetched_at": "2026-09-16 18:00"
        },
        {
          "date": "2026-09-01",
          "value": 1023554.0,
          "fetched_at": "2026-09-17 18:00"
        },
        {
          "date": "2026-09-02",
          "value": 942793.0,
          "fetched_at": "2026-09-18 18:00"
        },
        {
          "date": "2026-09-03",
          "value": 944364.0,
          "fetched_at": "2026-09-21 18:01"
        },
        {
          "date": "2026-09-04",
          "value": 903928.0,
          "fetched_at": "2026-09-22 18:00"
        },
        {
          "date": "2026-09-08",
          "value": 888923.0,
          "fetched_at": "2026-09-23 18:00"
        },
        {
          "date": "2026-09-09",
          "value": 880019.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-10",
          "value": 843705.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-11",
          "value": 818110.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-14",
          "value": 822200.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-15",
          "value": 871224.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-16",
          "value": 991557.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-17",
          "value": 991708.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-18",
          "value": 972675.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-21",
          "value": 985932.0,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-22",
          "value": 1004391.0,
          "fetched_at": "2026-09-24 18:01"
        }
      ]
    },
    "treasury_yield": {
      "name": "Daily Treasury Par Yield Curve (%, headline 10Y)",
      "data_status": "live",
      "causal_note": "Data centers and GPUs are financed with debt; the long rate sets the funding cost and the discount rate of future AI revenue.",
      "source": {
        "name": "U.S. Department of the Treasury, Daily Treasury Par Yield Curve Rates",
        "license": "Public domain (U.S. federal government work). No key.",
        "url": "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/"
      },
      "daily": [
        {
          "date": "2026-05-15",
          "y10": 4.59,
          "y2": 4.09,
          "y30": 5.12,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-18",
          "y10": 4.61,
          "y2": 4.07,
          "y30": 5.14,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-19",
          "y10": 4.67,
          "y2": 4.13,
          "y30": 5.18,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-20",
          "y10": 4.57,
          "y2": 4.04,
          "y30": 5.11,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-21",
          "y10": 4.57,
          "y2": 4.08,
          "y30": 5.1,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-22",
          "y10": 4.56,
          "y2": 4.13,
          "y30": 5.07,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-26",
          "y10": 4.5,
          "y2": 4.01,
          "y30": 5.03,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-27",
          "y10": 4.48,
          "y2": 4.0,
          "y30": 5.01,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-28",
          "y10": 4.45,
          "y2": 3.99,
          "y30": 4.98,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-05-29",
          "y10": 4.45,
          "y2": 3.98,
          "y30": 4.99,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-01",
          "y10": 4.47,
          "y2": 4.05,
          "y30": 4.99,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-02",
          "y10": 4.46,
          "y2": 4.05,
          "y30": 4.97,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-03",
          "y10": 4.49,
          "y2": 4.08,
          "y30": 4.99,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-04",
          "y10": 4.47,
          "y2": 4.05,
          "y30": 4.97,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-05",
          "y10": 4.55,
          "y2": 4.17,
          "y30": 5.01,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-08",
          "y10": 4.56,
          "y2": 4.15,
          "y30": 5.03,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-09",
          "y10": 4.53,
          "y2": 4.13,
          "y30": 5.01,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-10",
          "y10": 4.55,
          "y2": 4.13,
          "y30": 5.03,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-11",
          "y10": 4.45,
          "y2": 4.05,
          "y30": 4.95,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-12",
          "y10": 4.48,
          "y2": 4.09,
          "y30": 4.97,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-15",
          "y10": 4.47,
          "y2": 4.07,
          "y30": 4.97,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-16",
          "y10": 4.43,
          "y2": 4.05,
          "y30": 4.93,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-17",
          "y10": 4.49,
          "y2": 4.2,
          "y30": 4.93,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-18",
          "y10": 4.46,
          "y2": 4.19,
          "y30": 4.9,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-22",
          "y10": 4.51,
          "y2": 4.24,
          "y30": 4.95,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-23",
          "y10": 4.5,
          "y2": 4.16,
          "y30": 4.94,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-24",
          "y10": 4.41,
          "y2": 4.11,
          "y30": 4.86,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-25",
          "y10": 4.4,
          "y2": 4.09,
          "y30": 4.86,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-26",
          "y10": 4.38,
          "y2": 4.07,
          "y30": 4.87,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-29",
          "y10": 4.38,
          "y2": 4.1,
          "y30": 4.86,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-06-30",
          "y10": 4.44,
          "y2": 4.14,
          "y30": 4.91,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-01",
          "y10": 4.48,
          "y2": 4.17,
          "y30": 4.97,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-02",
          "y10": 4.49,
          "y2": 4.14,
          "y30": 4.98,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-06",
          "y10": 4.48,
          "y2": 4.13,
          "y30": 4.99,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-07",
          "y10": 4.55,
          "y2": 4.19,
          "y30": 5.05,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-08",
          "y10": 4.56,
          "y2": 4.21,
          "y30": 5.06,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-09",
          "y10": 4.54,
          "y2": 4.16,
          "y30": 5.05,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-10",
          "y10": 4.56,
          "y2": 4.21,
          "y30": 5.06,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-13",
          "y10": 4.62,
          "y2": 4.26,
          "y30": 5.1,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-14",
          "y10": 4.58,
          "y2": 4.18,
          "y30": 5.08,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-15",
          "y10": 4.55,
          "y2": 4.13,
          "y30": 5.08,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-16",
          "y10": 4.57,
          "y2": 4.16,
          "y30": 5.09,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-17",
          "y10": 4.55,
          "y2": 4.18,
          "y30": 5.06,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-20",
          "y10": 4.6,
          "y2": 4.21,
          "y30": 5.11,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-21",
          "y10": 4.63,
          "y2": 4.26,
          "y30": 5.13,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-22",
          "y10": 4.67,
          "y2": 4.31,
          "y30": 5.15,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-23",
          "y10": 4.71,
          "y2": 4.37,
          "y30": 5.17,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-24",
          "y10": 4.69,
          "y2": 4.33,
          "y30": 5.16,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-27",
          "y10": 4.65,
          "y2": 4.31,
          "y30": 5.12,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-28",
          "y10": 4.61,
          "y2": 4.26,
          "y30": 5.09,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-29",
          "y10": 4.67,
          "y2": 4.22,
          "y30": 5.2,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-30",
          "y10": 4.68,
          "y2": 4.23,
          "y30": 5.21,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-07-31",
          "y10": 4.75,
          "y2": 4.28,
          "y30": 5.27,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-03",
          "y10": 4.7,
          "y2": 4.25,
          "y30": 5.23,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-04",
          "y10": 4.63,
          "y2": 4.2,
          "y30": 5.18,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-05",
          "y10": 4.63,
          "y2": 4.18,
          "y30": 5.17,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-06",
          "y10": 4.69,
          "y2": 4.25,
          "y30": 5.22,
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        },
        {
          "date": "2026-08-07",
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        },
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        },
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        },
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        },
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          "date": "2026-08-13",
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          "fetched_at": "2026-09-24 18:01"
        },
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          "date": "2026-08-14",
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          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-17",
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          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-18",
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        },
        {
          "date": "2026-08-19",
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        },
        {
          "date": "2026-08-20",
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        },
        {
          "date": "2026-08-21",
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          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-08-24",
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        },
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        },
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        },
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        },
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          "fetched_at": "2026-09-24 18:01"
        },
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        },
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        },
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        },
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          "fetched_at": "2026-09-24 18:01"
        },
        {
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          "fetched_at": "2026-09-24 18:01"
        },
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          "fetched_at": "2026-09-24 18:01"
        },
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          "fetched_at": "2026-09-24 18:01"
        },
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          "fetched_at": "2026-09-24 18:01"
        },
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          "y30": 5.34,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-15",
          "y10": 5.0,
          "y2": 4.67,
          "y30": 5.36,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-16",
          "y10": 5.01,
          "y2": 4.74,
          "y30": 5.35,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-17",
          "y10": 4.94,
          "y2": 4.67,
          "y30": 5.29,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-18",
          "y10": 5.01,
          "y2": 4.76,
          "y30": 5.34,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-21",
          "y10": 4.96,
          "y2": 4.76,
          "y30": 5.29,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-22",
          "y10": 4.96,
          "y2": 4.71,
          "y30": 5.29,
          "fetched_at": "2026-09-24 18:01"
        },
        {
          "date": "2026-09-23",
          "y10": 5.11,
          "y2": 4.85,
          "y30": 5.4,
          "fetched_at": "2026-09-24 18:01"
        }
      ]
    }
  },
  "status": "observing",
  "can_say": [
    "The daily par yield of U.S. Treasuries (headline 10-year), the opening balance of the Treasury General Account each business day, and how many funding opportunities matching \"artificial intelligence\" were posted on Grants.gov (monthly = last snapshot of the month).",
    "Which days are confirmed and which is the provisional current day, and when each value was retrieved.",
    "The exact Grants.gov query that defines the count, so it can be reproduced."
  ],
  "status_note": "Observing only: no good/bad criterion is defined. Not a macro-economics dashboard — series are limited to those with a stated causal link to AI infrastructure.",
  "answer_line": "This chapter is observing (no good/bad criterion): observation started 2026-08-30, 3 series, latest confirmed 2026-09-23. Latest final value: 10-year Treasury par yield 5.11% (2026-09-23). (Source: U.S. Department of the Treasury; Grants.gov / updated 2026-09-24 18:01 JST)",
  "answer_line_date": "2026-09-23",
  "answer_kind": "observing",
  "headline_answer": {
    "series": "treasury_yield",
    "label": "10-year Treasury par yield",
    "value": 5.11,
    "unit": "%",
    "date": "2026-09-23",
    "threshold": null
  },
  "faq": [
    {
      "q": "What is the 10-year Treasury yield on the latest confirmed day?",
      "a": "5.11% on 2026-09-23 (2-year 4.85%, 30-year 5.4%). Source: U.S. Department of the Treasury, Daily Treasury Par Yield Curve (retrieved 2026-09-24 18:01)."
    },
    {
      "q": "What is the Treasury General Account balance, and how many AI grant opportunities are posted?",
      "a": "TGA opening balance 1,004,391 million USD on 2026-09-22 (Daily Treasury Statement); 160 posted Grants.gov opportunities matching the fixed AI query as the last snapshot of 2026-09. Counts are defined entirely by that query."
    },
    {
      "q": "What is the source and how often is it updated?",
      "a": "Treasury yields and the TGA are business-daily; the grants count is a daily snapshot aggregated monthly. Not a macro dashboard: each series carries a stated causal link to AI infrastructure. Observation started 2026-08-30. Last updated 2026-09-24 18:01 JST. Machine-readable: https://ai-lifeline.org/us/api/fiscal_us.json"
    },
    {
      "q": "What can this data not tell you?",
      "a": "What this chapter cannot say (ledger v1.0, approved 2026-09-05; full text in the method section): Whether a yield or a cash balance is good or bad for AI, or where rates are heading (no criterion; nothing here is financial advice); How much the federal government budgets or spends on AI (annual budget figures do not meet the monthly-or-better rule; kept as a candidate ledger); General economic conditions (stocks, exchange rates and inflation are out of scope by design)."
    }
  ],
  "citation": {
    "page": "https://ai-lifeline.org/us/fiscal/",
    "api": "https://ai-lifeline.org/us/api/fiscal_us.json",
    "last_confirmed": "2026-09-23",
    "next_expected": "2026-09-23",
    "generated": "2026-09-24 18:01",
    "observation_start": "2026-08-30",
    "series_count": 3,
    "series_not_yet_measured": 0,
    "title_short": "10Y Treasury 5.11% (final 9/23)",
    "generated_by": "scripts/citation/apply_citation_layer.py",
    "ledger_version": "v1.1-2026-09-06",
    "keys_written": [
      "summary",
      "cite_as",
      "answer_line",
      "answer_line_date",
      "answer_kind",
      "headline_answer",
      "faq",
      "citation"
    ]
  }
}