Chain of custody receipt

Source #1893

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: National Reconnaissance Office (NRO) — USASpending contracts (no results)
Original URL(none — typed-API result with no web URL)
PublicationAI Analysis — no URL
Source typecontract
Date2026
EntityNational Reconnaissance Office (NRO)
Captured2026-04-07T04:34:41.157Z UTC
Hash computed at2026-04-07T04:34:41.157Z UTC
SHA-256a6a738dd684ec1ec8c5ea1d2bd4a5b7eb2bb8315fe42a1e2350b4a49e6b4b1d0
Content length108 bytes
Content preview (first 800 chars) 
No USASpending contracts found for "National Reconnaissance Office (NRO)" 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/1893/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/1893/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/1893/receipt.json