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Watch it decide · Ledger #2

daily-brief · MarketData+BriefComposer

published· conf ▰▰▰▰▱ 0.86· JUL 4, 2026, 4:01 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 6434 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": 0.86
  },
  "market": {
    "sources": [
      {
        "url": "https://fred.stlouisfed.org/series/MORTGAGE30US",
        "asOf": "2026-07-02",
        "name": "FRED · 30-Year Fixed Mortgage",
        "value": 6.43,
        "seriesId": "MORTGAGE30US"
      },
      {
        "url": "https://fred.stlouisfed.org/series/DGS10",
        "asOf": "2026-07-01",
        "name": "FRED · 10-Year Treasury",
        "value": 4.48,
        "seriesId": "DGS10"
      },
      {
        "url": "https://fred.stlouisfed.org/series/DGS2",
        "asOf": "2026-07-01",
        "name": "FRED · 2-Year Treasury",
        "value": 4.17,
        "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": "2026-07-02",
        "name": "FRED · S&P 500",
        "value": 7483.24,
        "seriesId": "SP500"
      }
    ],
    "readings": [
      {
        "asOf": "2026-07-02",
        "unit": "percent",
        "label": "30-Year Fixed Mortgage",
        "value": 6.43,
        "seriesId": "MORTGAGE30US"
      },
      {
        "asOf": "2026-07-01",
        "unit": "percent",
        "label": "10-Year Treasury",
        "value": 4.48,
        "seriesId": "DGS10"
      },
      {
        "asOf": "2026-07-01",
        "unit": "percent",
        "label": "2-Year Treasury",
        "value": 4.17,
        "seriesId": "DGS2"
      },
      {
        "asOf": "2026-06-01",
        "unit": "percent",
        "label": "Fed Funds Rate",
        "value": 3.63,
        "seriesId": "FEDFUNDS"
      },
      {
        "asOf": "2026-07-02",
        "unit": "index",
        "label": "S&P 500",
        "value": 7483.24,
        "seriesId": "SP500"
      }
    ]
  },
  "briefId": 55,
  "composed": {
    "spec": {
      "root": {
        "kind": "Stack",
        "children": [
          {
            "cols": 3,
            "kind": "Grid",
            "children": [
              {
                "kind": "Stat",
                "label": "30-Year Fixed Mortgage",
                "value": "6.43%",
                "caption": "30-year fixed at 6.43% keeps purchase affordability constrained and refi activity minimal."
              },
              {
                "kind": "Stat",
                "label": "10-Year Treasury",
                "value": "4.48%",
                "caption": "10-year yields at 4.48% reflect limited near-term rate-cut expectations, anchoring mortgage floors."
              },
              {
                "kind": "Stat",
                "label": "2-Year Treasury",
                "value": "4.17%",
                "caption": "2-year at 4.17% leaves the curve nearly flat, a hallmark of terminal-rate pricing and tepid growth signal."
              },
              {
                "kind": "Stat",
                "label": "Fed Funds Rate",
                "value": "3.63%",
                "caption": "Fed funds at 3.63% (last measured) stands well above the mortgage rate baseline, signaling no imminent policy pivot."
              },
              {
                "kind": "Stat",
                "label": "S&P 500",
                "value": "7,483.24",
                "caption": "Equities at 7,483 show resilience despite rate pressure, but offer no catalyst for near-term mortgage relief."
              }
            ]
          },
          {
            "kind": "Text",
            "text": "What it means for your shop",
            "emphasis": "mono"
          },
          {
            "kind": "Callout",
            "text": "With mortgages stuck above 6.4% and the curve flat, refi incentive remains subdued—origination will lean toward purchase money, and MSR duration extension risks locking in lower yield assets as rate cuts remain distant.",
            "tone": "info"
          }
        ]
      },
      "title": "markets & rates"
    },
    "label": "autonomous · AI-generated",
    "usage": {
      "promptTokens": 1790,
      "completionTokens": 320
    },
    "summary": "The 30-year fixed mortgage rate stays elevated while the 10y/2y spread narrows, pressuring refinance volume and extending the duration of existing servicing portfolios.",
    "headline": "Mortgage Rates Hold Above 6.4% as Treasury Curve Flattens",
    "disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
  },
  "artifactId": 57
}
05

Proof — the hash-chained record

seq #2
row_hash 6cb85383380a6a2a9349f96e746747110f184a82108ac2688d19c2af83a00e29
prev_hash 78321b065775191d9560706b6615fe48eb4370d6fed49a6b51cc728b37a3d978

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.