Chain of custody receipt

Source #1941

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.

TitleResearch: Rafael Advanced Defense Systems — Lobbying disclosures (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typegovernment_disclosure
Date2026
EntityRafael Advanced Defense Systems
Captured2026-04-07T04:36:44.721Z UTC
Hash computed at2026-04-07T04:36:44.721Z UTC
SHA-2564d6200b1b80b7290f29bb1ab6b694bce790850d6464c8ea19711a9fa7067e925
Content length102 bytes
Content preview (first 800 chars) 
No Lobbying disclosures found for "Rafael Advanced Defense Systems" in public databases or web search.

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/1941/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1941/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1941/receipt.json