Chain of custody receipt

Source #6359

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.

TitleDHS Privacy Impact Assessment DHS/ALL/PIA-095
Original URLhttps://www.dhs.gov/investigations-reviews
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date—
EntityInternational Biometric Information Sharing (IBIS) Program
Captured2026-04-13T03:07:43.232Z UTC
Hash computed at2026-04-13T03:07:43.232Z UTC
SHA-256a82982dfa28461d81f8a9898e51e39b24f0c3a5e5b1772b891f2ec03b0a8d8cf
Content length153 bytes
Content preview (first 800 chars) 
DHS created International Biometric Information Sharing Program to enhance cooperation with foreign partners in assessing immigration benefit eligibility

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/6359/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6359/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6359/receipt.json