Chain of custody receipt

Source #23100

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.

TitleConstituency baseline: Dominant industry
Original URLhttps://www.census.gov/mycd/index.html
PublicationCensus/BLS/SoS
Source typecongress_handoff
Date—
EntityDebbie Dingell
Captured2026-04-27T16:30:49.852Z UTC
Hash computed at2026-04-27T16:30:49.852Z UTC
SHA-256be0f5307fe12e58a55d573291fc5f7f479d11b0ea0099a67b3260f1dee91edf7
Content length519 bytes
Content preview (first 800 chars) 
My Congressional District

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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/23100/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/23100/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/23100/receipt.json