Chain of custody receipt

Source #16688

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: CT Corporation System — USASpending contracts (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typecontract
Date2026
EntityCT Corporation System
Captured2026-04-23T09:39:38.551Z UTC
Hash computed at2026-04-23T09:39:38.551Z UTC
SHA-25673e2602620df713c8267515652e9ae1e6588df5aedce4b062f2be7a704e06d63
Content length224 bytes
Content preview (first 800 chars)
No USASpending contracts found for "CT Corporation System" in public databases or web search. This may be due to name variations, subsidiary filings, or limited search coverage — not necessarily absence from public record.

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/16688/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/16688/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/16688/receipt.json