Chain of custody receipt

Source #6401

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.

TitleTussell procurement analysis cited by Liberty Investigates
Original URLhttps://www.opensecrets.org/federal-lobbying/clients/lobbyists?cycle=2024&id=D000055177
PublicationDirected Inquiry — Web Search
Source typediscovery_scope_note
Date2025-01-01
EntityPalantir Technologies
Captured2026-04-13T03:10:49.377Z UTC
Hash computed at2026-04-13T03:10:49.377Z UTC
SHA-256af2fda5fc532e833c5552668a1d5874602bedb8a65d2566fb0b38a23943c8569
Content length134 bytes
Content preview (first 800 chars) 
Palantir is the second largest supplier of AI to the UK's public sector by contract value between 2018 and 2025, behind only Microsoft

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/6401/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6401/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6401/receipt.json