GET /memory/facts/{id}/why
{
"statement": "Renewal notice goes to the compliance officer",
"claim_type": "theorem", // confirmed from independent sources
"confidence": 0.95,
"epistemic": "confirmed",
"reinforcements": [
{ "at": "2026-03-04", "delta": 0.05,
"source_url": "contracts/2026/addendum-7.pdf" },
{ "at": "2026-05-19", "delta": 0.05,
"source_url": "minutes/board-2026-05.md" }
]
}