Signed Brief · Provenance Ledger
✓ Verified
Signature is valid and all cited sources are live right now.
Brief Receipt
dbe26398-0d46-4abd-93ee-3d9b9f587436
Ed25519 signature Valid
Signed by published key Yes
All sources live (200) Yes
Attested facts
| Content hash (SHA-256) | 3101feb08ddb0e8ebe81be2738812177c5c7b5765bc2bff7b9b135e551058ad4 |
|---|---|
| Model | claude-sonnet-4-6 · 2026-06-19 |
| Generated at | 2026-06-21T12:43:05.87+00:00 |
| Public key | 49326fb2fc3e4361a67037bea7bc64aeb8819c38ea169c560089222e719a2c62 |
Cited sources — live status
| Source | At signing | Now |
|---|---|---|
| https://www.federalreserve.gov/monetarypolicy/fomccalendars.htm | 200 | 200 OK |
| https://fred.stlouisfed.org/graph/fredgraph.csv?id=DFEDTARU | 200 | 200 OK |
Raw signed payload & signature
signature: 0eefdf621ec8d38f170f853ab8ae6f185d74e1427dce5abddd9a565b8e9e5a820f4d3abbf7e8456106732e65754c78e41702448f2a89d4dbaa28c34640277c0c
{
"v": 1,
"model": {
"id": "claude-sonnet-4-6",
"version": "2026-06-19"
},
"sources": [
{
"url": "https://www.federalreserve.gov/monetarypolicy/fomccalendars.htm",
"status": 200,
"checked_at": "2026-06-21T12:43:03.740Z"
},
{
"url": "https://fred.stlouisfed.org/graph/fredgraph.csv?id=DFEDTARU",
"status": 200,
"checked_at": "2026-06-21T12:43:03.740Z"
}
],
"content_hash": "3101feb08ddb0e8ebe81be2738812177c5c7b5765bc2bff7b9b135e551058ad4",
"generated_at": "2026-06-21T12:43:05.870Z"
} Re-verify independently with the published key at /.well-known/kitalpha-provenance.json. Learn how this works on the provenance page.
Voluntary transparency aligned with the spirit of EU AI Act Article 50 (transparency obligations for AI-generated content, applying 2 August 2026). This is trust infrastructure and general information only — not a legal-compliance claim and not legal advice.