Watch it decide · Ledger #76
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▱ 0.83· SEP 7, 2026, 9:00 PM· anthropic/claude-haiku-4.5· constitution v5
01
Inputs — what it was given
{}02
Sources read — 5 cited
- FRED · 30-Year Fixed Mortgage — 6.71 · 2026-09-03
- FRED · 10-Year Treasury — 4.77 · 2026-09-03
- FRED · 2-Year Treasury — 4.34 · 2026-09-03
- FRED · Fed Funds Rate — 3.63 · 2026-08-01
- FRED · S&P 500 — 7718.6 · 2026-09-04
03
The gate — deterministic verdict
Decision: published · computed in 20915 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": "2026-09-03",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.71,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-09-03",
"name": "FRED · 10-Year Treasury",
"value": 4.77,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-09-03",
"name": "FRED · 2-Year Treasury",
"value": 4.34,
"seriesId": "DGS2"
},
{
"url": "https://fred.stlouisfed.org/series/FEDFUNDS",
"asOf": "2026-08-01",
"name": "FRED · Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"url": "https://fred.stlouisfed.org/series/SP500",
"asOf": "2026-09-04",
"name": "FRED · S&P 500",
"value": 7718.6,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-09-03",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.71,
"prevAsOf": "2026-08-27",
"seriesId": "MORTGAGE30US",
"prevValue": 6.66
},
{
"asOf": "2026-09-03",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.77,
"prevAsOf": "2026-09-02",
"seriesId": "DGS10",
"prevValue": 4.79
},
{
"asOf": "2026-09-03",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.34,
"prevAsOf": "2026-09-02",
"seriesId": "DGS2",
"prevValue": 4.39
},
{
"asOf": "2026-08-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-07-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-09-04",
"unit": "index",
"label": "S&P 500",
"value": 7718.6,
"prevAsOf": "2026-09-03",
"seriesId": "SP500",
"prevValue": 7747.71
}
]
},
"briefId": 196,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.71%",
"caption": "30-year fixed mortgage at 6.71%, up 5 bps — locking in pressure on marginal borrowers."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.77%",
"caption": "10-year Treasury at 4.77%, down 2 bps — flight-to-quality bid into week-end."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.34%",
"caption": "2-year Treasury at 4.34%, down 5 bps — Fed holding, curve flattening."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed funds rate unchanged at 3.63% as of month-end; no policy move."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,718.6",
"caption": "S&P 500 at 7,718.6 — equities stable despite rate uptick."
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "Origination volume faces sustained headwinds as the 30-year fixed breaks above 6.7%, while the 43 bps 10–2 slope signals continued economic uncertainty; servicers should monitor prepay risk if spreads tighten on any near-term curve inversion.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 2062,
"completionTokens": 329
},
"summary": "Mortgage rates rose 5 bps while the long end of the Treasury curve flattened, pushing the 30–10 spread to 194 bps.",
"headline": "Mortgage–Treasury Spread Widens as 30-Year Rate Climbs to 6.71%",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 198
}05
Proof — the hash-chained record
seq #76
row_hash cfc48be2b39816d8adc320dde2761bfbf76acf792ee271dede426d142cc98c22
prev_hash fd2e330f32517b2ee687618a2569b2857e85c4f12e005a0a4401818254764e42
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.