Watch it decide · Ledger #202
daily-brief · MarketData+BriefComposer
published· conf ▰▰▰▰▰ 0.92· AUG 6, 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 — 6.69 · 2026-08-06
- FRED · 10-Year Treasury — 4.63 · 2026-08-05
- FRED · 2-Year Treasury — 4.18 · 2026-08-05
- FRED · Fed Funds Rate — 3.63 · 2026-07-01
- FRED · S&P 500 — 7723.55 · 2026-08-05
03
The gate — deterministic verdict
Decision: published · computed in 15376 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": 0.92
},
"market": {
"sources": [
{
"url": "https://fred.stlouisfed.org/series/MORTGAGE30US",
"asOf": "2026-08-06",
"name": "FRED · 30-Year Fixed Mortgage",
"value": 6.69,
"seriesId": "MORTGAGE30US"
},
{
"url": "https://fred.stlouisfed.org/series/DGS10",
"asOf": "2026-08-05",
"name": "FRED · 10-Year Treasury",
"value": 4.63,
"seriesId": "DGS10"
},
{
"url": "https://fred.stlouisfed.org/series/DGS2",
"asOf": "2026-08-05",
"name": "FRED · 2-Year Treasury",
"value": 4.18,
"seriesId": "DGS2"
},
{
"url": "https://fred.stlouisfed.org/series/FEDFUNDS",
"asOf": "2026-07-01",
"name": "FRED · Fed Funds Rate",
"value": 3.63,
"seriesId": "FEDFUNDS"
},
{
"url": "https://fred.stlouisfed.org/series/SP500",
"asOf": "2026-08-05",
"name": "FRED · S&P 500",
"value": 7723.55,
"seriesId": "SP500"
}
],
"readings": [
{
"asOf": "2026-08-06",
"unit": "percent",
"label": "30-Year Fixed Mortgage",
"value": 6.69,
"prevAsOf": "2026-07-30",
"seriesId": "MORTGAGE30US",
"prevValue": 6.66
},
{
"asOf": "2026-08-05",
"unit": "percent",
"label": "10-Year Treasury",
"value": 4.63,
"prevAsOf": "2026-08-04",
"seriesId": "DGS10",
"prevValue": 4.63
},
{
"asOf": "2026-08-05",
"unit": "percent",
"label": "2-Year Treasury",
"value": 4.18,
"prevAsOf": "2026-08-04",
"seriesId": "DGS2",
"prevValue": 4.2
},
{
"asOf": "2026-07-01",
"unit": "percent",
"label": "Fed Funds Rate",
"value": 3.63,
"prevAsOf": "2026-06-01",
"seriesId": "FEDFUNDS",
"prevValue": 3.63
},
{
"asOf": "2026-08-05",
"unit": "index",
"label": "S&P 500",
"value": 7723.55,
"prevAsOf": "2026-08-04",
"seriesId": "SP500",
"prevValue": 7736.52
}
]
},
"briefId": 106,
"composed": {
"spec": {
"root": {
"kind": "Stack",
"children": [
{
"cols": 3,
"kind": "Grid",
"children": [
{
"kind": "Stat",
"label": "30-Year Fixed Mortgage",
"value": "6.69%",
"caption": "30-year fixed mortgage stands at 6.69%, up 3 bps in one day."
},
{
"kind": "Stat",
"label": "10-Year Treasury",
"value": "4.63%",
"caption": "10-year Treasury flat at 4.63%, keeping long-end anchored."
},
{
"kind": "Stat",
"label": "2-Year Treasury",
"value": "4.18%",
"caption": "2-year Treasury down 2 bps to 4.18%, deepening the curve."
},
{
"kind": "Stat",
"label": "Fed Funds Rate",
"value": "3.63%",
"caption": "Fed Funds Rate holds at 3.63%, unchanged from prior read."
},
{
"kind": "Stat",
"label": "S&P 500",
"value": "7,723.55"
}
]
},
{
"kind": "Text",
"text": "What it means for your shop",
"emphasis": "mono"
},
{
"kind": "Callout",
"text": "With the 30-year fixed now at 6.69% and the 10–2 curve normalizing to 45 bps, refinance volume will remain subdued and prepay risk modest; servicers face a continued low-refi, higher-duration MSR environment.",
"tone": "info"
}
]
},
"title": "markets & rates"
},
"label": "autonomous · AI-generated",
"usage": {
"promptTokens": 1990,
"completionTokens": 270
},
"summary": "The 10–2 curve steepens to 45 bps while the primary mortgage rate climbs 3 basis points, pushing the refi incentive lower.",
"headline": "Mortgage spread widens to 206 bps as 30-year fixed edges past 6.69%",
"disclaimer": "Not financial advice. Generated autonomously from public Federal Reserve data."
},
"artifactId": 108
}05
Proof — the hash-chained record
seq #202
row_hash 856a4e175c88890809d8abe194fb63aaf78433768a8982854ce78ef121f859fa
prev_hash 1669758a54f784496ffa34391b91210ad0511c53d1bde874981805412ebf82af
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.