Chain of custody receipt

Source #1668

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: Hanmi Semiconductor — USASpending contracts (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typecontract
Date2026
EntityHanmi Semiconductor
Captured2026-04-07T04:23:26.545Z UTC
Hash computed at2026-04-07T04:23:26.545Z UTC
SHA-256a15839eeda31cd99242cb93a05531c956b2510107f5bdd52ff9db87a60770b4c
Content length91 bytes
Content preview (first 800 chars) 
No USASpending contracts found for "Hanmi Semiconductor" in public databases or web search.

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/1668/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1668/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1668/receipt.json