Chain of custody receipt

Source #1810

Cryptographic attestation that the document below was captured in Goblin House's archive at the timestamp shown, with the hash listed. If the original URL goes dark or its content changes, this receipt remains as evidence of what the public record looked like at capture time.

TitleAI Analysis: US Department of Homeland Security (DHS) — cross-reference insights
Original URL(none — typed-API result with no web URL)
PublicationAI Research Pass
Source typegovernment_disclosure
Date2026
EntityUS Department of Homeland Security (DHS)
Captured2026-04-07T04:29:24.973Z UTC
Hash computed at2026-04-07T04:29:24.973Z UTC
SHA-256e5be87a6a6300ef2ec02cdd92e5f17ab1a52a010a38ad6a02a68d91a1b407bdb
Content length1,271 bytes
Content preview (first 800 chars)
```json
{
  "facts": [
    {
      "text": "Initial searches across major public databases (USASpending contracts, lobbying disclosures, court records, and parliamentary records) returned no results for 'US Department of Homeland Security (DHS)', which is highly unusual for a major federal agency and suggests potential issues with search methodology, query formatting, or database access rather than an actual absence of records",
      "date": null,
      "confidence": "inferential"
    },
    {
      "text": "The lack of contract data in USASpending is particularly notable as DHS is one of the largest federal contracting agencies, typically awarding billions in contracts annually - this absence warrants investigation into whether the search used correct agency codes or naming…

Verifying this receipt

The hash above was computed as:

sha256( coalesce(url, '<no-url>') || '\n' || raw_content )

Anyone with a copy of the original document can verify the match:

  1. Take the URL field and the original document content.
  2. Concatenate url + '\n' + content and SHA-256 it.
  3. Compare to the SHA-256 row above.

Or POST the candidate content to /source/1810/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1810/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1810/receipt.json