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Watch it decide · Ledger #64

daily-brief · MarketData+BriefComposer

published· conf ▰▰▰▰▱ 0.83· JUL 13, 2026, 9:00 PM· anthropic/claude-haiku-4.5· constitution v5

01

Inputs — what it was given

{}
02

Sources read — 5 cited

03

The gate — deterministic verdict

Decision: published · computed in 5062 ms

5/5 series, all sourced and fresh.

04

Outputs — what it produced

{
  "gate": {
    "pass": true,
    "reason": "5/5 series, all sourced and fresh.",
    "confidence": 0.83
  },
  "market": {
    "sources": [
      {
        "url": "https://fred.stlouisfed.org/series/MORTGAGE30US",
        "asOf": "2026-07-09",
        "name": "FRED · 30-Year Fixed Mortgage",
        "value": 6.49,
        "seriesId": "MORTGAGE30US"
      },
      {
        "url": "https://fred.stlouisfed.org/series/DGS10",
        "asOf": "2026-07-09",
        "name": "FRED · 10-Year Treasury",
        "value": 4.54,
        "seriesId": "DGS10"
      },
      {
        "url": "https://fred.stlouisfed.org/series/DGS2",
        "asOf": "2026-07-09",
        "name": "FRED · 2-Year Treasury",
        "value": 4.16,
        "seriesId": "DGS2"
      },
      {
        "url": "https://fred.stlouisfed.org/series/FEDFUNDS",
        "asOf": "2026-06-01",
        "name": "FRED · Fed Funds Rate",
        "value": 3.63,
        "seriesId": "FEDFUNDS"
      },
      {
        "url": "https://fred.stlouisfed.org/series/SP500",
        "asOf": "2026-07-10",
        "name": "FRED · S&P 500",
        "value": 7575.39,
        "seriesId": "SP500"
      }
    ],
    "readings": [
      {
        "asOf": "2026-07-09",
        "unit": "percent",
        "label": "30-Year Fixed Mortgage",
        "value": 6.49,
        "seriesId": "MORTGAGE30US"
      },
      {
        "asOf": "2026-07-09",
        "unit": "percent",
        "label": "10-Year Treasury",
        "value": 4.54,
        "seriesId": "DGS10"
      },
      {
        "asOf": "2026-07-09",
        "unit": "percent",
        "label": "2-Year Treasury",
        "value": 4.16,
        "seriesId": "DGS2"
      },
      {
        "asOf": "2026-06-01",
        "unit": "percent",
        "label": "Fed Funds Rate",
        "value": 3.63,
        "seriesId": "FEDFUNDS"
      },
      {
        "asOf": "2026-07-10",
        "unit": "index",
        "label": "S&P 500",
        "value": 7575.39,
        "seriesId": "SP500"
      }
    ]
  },
  "briefId": 63,
  "composed": {
    "spec": {
      "root": {
        "kind": "Stack",
        "children": [
          {
            "cols": 3,
            "kind": "Grid",
            "children": [
              {
                "kind": "Stat",
                "label": "30-Year Fixed Mortgage",
                "value": "6.49%",
                "caption": "The 30-year fixed holds at 6.49%, offering no relief to borrowers underwater on older vintages."
              },
              {
                "kind": "Stat",
                "label": "10-Year Treasury",
                "value": "4.54%",
                "caption": "The 10-year at 4.54% anchors long-duration rates as the curve steepens."
              },
              {
                "kind": "Stat",
                "label": "2-Year Treasury",
                "value": "4.16%",
                "caption": "The 2-year at 4.16% keeps the front end compressed relative to the long bond."
              },
              {
                "kind": "Stat",
                "label": "Fed Funds Rate",
                "value": "3.63%",
                "caption": "Fed funds at 3.63% remain well below mortgage rates, leaving no tail-hedge benefit for ARM resets."
              },
              {
                "kind": "Stat",
                "label": "S&P 500",
                "value": "7,575.39",
                "caption": "Equities at 7,575 show no stress signal that would trigger a flight-to-safety rate collapse."
              }
            ]
          },
          {
            "kind": "Text",
            "text": "What it means for your shop",
            "emphasis": "mono"
          },
          {
            "kind": "Callout",
            "text": "Origination volume remains capped by elevated mortgage rates relative to the fed funds floor, while the steepening curve suggests prepayment risk will stay muted—servicers can expect continued MSR stability but weak refi incentives through the quarter.",
            "tone": "info"
          }
        ]
      },
      "title": "markets & rates"
    },
    "label": "autonomous · AI-generated",
    "usage": {
      "promptTokens": 1790,
      "completionTokens": 301
    },
    "summary": "The 30-year fixed sits at 6.49% while the 10-2 spread widens, signaling sustained refinance resistance.",
    "headline": "Mortgage Rates Hold Firm as Treasury Curve Steepens",
    "disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
  },
  "artifactId": 65
}
05

Proof — the hash-chained record

seq #64
row_hash 60d5c293a3fc58e4e54eae46ed4715c6e4f9a373f6ed3e08e4331de1a5917aa8
prev_hash baf9265b21a7174b089dc327b9df4fe46be8937c2d150496a98498e9816522c2

This exact row, with its canonical preimage, is public at /api/ledger/export. Recompute its hash with the standalone verifier — it shares no code with this site. The chain head is timestamped into Bitcoin.

Evidence or it doesn't ship.