Chain of custody receipt

Source #6448

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.

TitleCompanies House records
Original URLhttps://www.northdata.com/Palantir+Technologies+UK+Ltd.,+London/Companies+House+07042994
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityAlex Karp
Captured2026-04-13T04:14:55.592Z UTC
Hash computed at2026-04-13T04:14:55.592Z UTC
SHA-2565a5cc4243b01ac09463fa4285fa2987fd713eb99b82492fe1a20643b7b20dd8d
Content length108 bytes
Content preview (first 800 chars) 
Alex Karp was previously listed as a director of Palantir Technologies UK Ltd. but is no longer in that role

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/6448/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6448/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6448/receipt.json