Chain of custody receipt

Source #24

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: Alex Karp - parliamentary record
Original URLhttps://www.congress.gov/search?q=%7B%22search%22%3A%22Alex%20Karp%22%7D
PublicationPublic Record Research
Source typediscovery_scope_note
Date2024
EntityAlex Karp
Captured2026-04-05T07:32:05.901Z UTC
Hash computed at2026-04-05T07:32:05.901Z UTC
SHA-256af6fab2bbba888bde310338744bc8d3a11ae44a29c6958da11f41c5ca107fcdd
Content length419 bytes
Content preview (first 800 chars) 
Alex Karp, CEO of Palantir Technologies, has appeared in parliamentary records primarily through testimony before legislative bodies and references in parliamentary debates concerning government contracts with Palantir. His most significant parliamentary engagements have been in the United States Congress and mentions in UK Parliament discussions regarding NHS data contracts and government surveillance technologies.

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/24/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/24/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/24/receipt.json