Chain of custody receipt

Source #1944

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: Rafael Advanced Defense Systems — cross-reference insights
Original URL(none — typed-API result with no web URL)
PublicationAI Research Pass
Source typegovernment_disclosure
Date2026
EntityRafael Advanced Defense Systems
Captured2026-04-07T04:36:53.747Z UTC
Hash computed at2026-04-07T04:36:53.747Z UTC
SHA-25616a9a7e3c53d923470844af9712fde25e2a7c6f21785c193adf6c8dc1392fd74
Content length1,685 bytes
Content preview (first 800 chars)
```json
{
  "facts": [
    {
      "text": "Rafael Advanced Defense Systems has multiple SEC EDGAR filings spanning from 2008 to 2017, suggesting the Israeli defense company has had financial or securities-related activities requiring disclosure to US regulators over nearly a decade",
      "date": "2008-2017",
      "confidence": "inferential"
    },
    {
      "text": "Despite being a major international defense contractor, Rafael shows no results in USASpending federal contract database, which is notable given their SEC filing activity and suggests they may operate through subsidiaries, joint ventures, or foreign military sales channels rather than direct US government contracts",
      "date": null,
      "confidence": "inferential"
    },
    {
      "text": "The absence of…

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/1944/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1944/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1944/receipt.json