Chain of custody receipt

Source #1915

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: Paragon Solutions — USASpending contracts (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typecontract
Date2026
EntityParagon Solutions
Captured2026-04-07T04:35:37.211Z UTC
Hash computed at2026-04-07T04:35:37.211Z UTC
SHA-2564f7f7711b035a8cbf5a0c7307f8d035cd83bfd39578209ab741bb860eb5ad04c
Content length89 bytes
Content preview (first 800 chars)
No USASpending contracts found for "Paragon Solutions" 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/1915/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1915/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1915/receipt.json