Chain of custody receipt

Source #10708

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: Office of Centralized Acquisition Services (OCAS) — SEC filings (no results)
Original URL(none — typed-API result with no web URL)
PublicationSearch Scope Note
Source typesec_filing
Date2026
EntityOffice of Centralized Acquisition Services (OCAS)
Captured2026-04-15T08:47:12.460Z UTC
Hash computed at2026-04-15T08:47:12.460Z UTC
SHA-256b13768db4c882c70b25322c42cd4b852122ba2613afc5d597bfc6d069058889e
Content length242 bytes
Content preview (first 800 chars) 
No SEC filings found for "Office of Centralized Acquisition Services (OCAS)" 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/10708/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10708/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10708/receipt.json