Chain of custody receipt

Source #20100

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: Demographic anchor
Original URLhttps://www.bls.gov
PublicationCensus/BLS/SoS
Source typecongress_handoff
Date—
EntityAlma S. Adams
Captured2026-04-25T06:11:35.729Z UTC
Hash computed at2026-04-25T06:11:35.729Z UTC
SHA-25687200f03b64b7cf39b1bcbed4eb4d95b296e20387870a7e48e1347c9773d7963
Content length8,683 bytes
Content preview (first 800 chars)
U.S. Bureau of Labor Statistics : U.S. Bureau of Labor Statistics

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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/20100/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/20100/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/20100/receipt.json