Chain of custody receipt

Source #2220

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: Cambridge Analytica — Parliamentary records (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typeparliamentary_record
Date2026
EntityCambridge Analytica
Captured2026-04-07T04:47:51.756Z UTC
Hash computed at2026-04-07T04:47:51.756Z UTC
SHA-256d8481e5703c93eb22a6ba84d5a79d5e76157fe4ff6137b004b67edbe1de25b6c
Content length91 bytes
Content preview (first 800 chars) 
No Parliamentary records found for "Cambridge Analytica" 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/2220/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/2220/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/2220/receipt.json