Chain of custody receipt

Source #6551

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: Senate Office of Public Records — USASpending contracts (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typecontract
Date2026
EntitySenate Office of Public Records
Captured2026-04-13T16:52:51.832Z UTC
Hash computed at2026-04-13T16:52:51.832Z UTC
SHA-256e8f9cc2e4c4615c89b2eb17dccdb9d43d33a8d1d34a6796de63c7afdaff72168
Content length234 bytes
Content preview (first 800 chars) 
No USASpending contracts found for "Senate Office of Public Records" in public databases or web search. This may be due to name variations, subsidiary filings, or limited search coverage — not necessarily absence from public record.

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/6551/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6551/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6551/receipt.json