Chain of custody receipt

Source #6128

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.

TitleFederal contract data via POGO analysis
Original URLhttps://obamawhitehouse.archives.gov/omb/procurement_pro_data_faq/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-09-01
EntityMacGyver Solutions
Captured2026-04-12T23:17:08.325Z UTC
Hash computed at2026-04-12T23:17:08.325Z UTC
SHA-256856cc14684bf0da36a7c7aafc0a7b81d731eb044eb004509d13cca684a5159cc
Content length108 bytes
Content preview (first 800 chars) 
Secret Service awarded MacGyver Solutions $99,999.99 for Polaris 1000 all-terrain vehicles in September 2025

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/6128/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6128/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6128/receipt.json