Chain of custody receipt

Source #10221

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.

TitleOpenSecrets lobbying disclosure data
Original URLhttps://www.govconwire.com/articles/darpa-selects-6-companies-for-1-25b-technical-and-analytical-support-services-idiq-contract
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-12-31
EntityBooz Allen Hamilton
Captured2026-04-14T01:09:45.977Z UTC
Hash computed at2026-04-14T01:09:45.977Z UTC
SHA-2569db86af7565b964f1a4b4c76ac649c565ed43e52d6f9cb687047e64afe1aa4cc
Content length6,903 bytes
Content preview (first 800 chars) 
DARPA Selects 6 Companies for $1.25B Technical & Analytical Support Services IDIQ Contract - GovCon Wire

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"Darpa logo", by Defense Advanced Research Projects Agency (DARPA), https://fett.darpa.mil/, licensed under CC0

Home Contract Awards DARPA Selects 6 Companies for $1.25B Technical & Analytical Support Services IDIQ Contract

DARPA Selects 6 Companies for $1.25B Technical &…

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/10221/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10221/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10221/receipt.json