Chain of custody receipt

Source #22321

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.

TitleRoll call: PN2250
Original URLhttps://www.congress.gov/nomination/115th-congress/2250
PublicationCongress.gov
Source typecongress_handoff
Date—
EntityChristopher A. Coons
Captured2026-04-27T06:07:35.571Z UTC
Hash computed at2026-04-27T06:07:35.571Z UTC
SHA-25603d6955afb4332bd6191c4e93c302f6cadb7c2fc5bb8efb1cee3f4b8cc0d2d73
Content length44,416 bytes
Content preview (first 800 chars)
PN2250 - 1 nominee for Air Force, 115th Congress (2017-2018) | Congress.gov | Library of Congress

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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/22321/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/22321/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/22321/receipt.json