Chain of custody receipt

Source #5402

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.

TitleSEC EDGAR: filing — Cybersecurity and Infrastructure Security Agency (CISA) (2020-12-21)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Cybersecurity%20and%20Infrastructure%20Security%20Agency%20(CISA)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2020-12-21
EntityCybersecurity and Infrastructure Security Agency (CISA)
Captured2026-04-12T17:40:29.852Z UTC
Hash computed at2026-04-12T17:40:29.852Z UTC
SHA-256fad90db0fb9f1814c0fe1dfb097cc0aa99674d59871b501ae93c12a76177a9ac
Content length58,208 bytes
Content preview (first 800 chars)
{"took":705,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":272,"relation":"eq"},"max_score":19.62318,"hits":[{"_index":"edgar_file","_id":"0001558370-20-004060:dit-20200331x10q.htm","_score":19.62318,"_source":{"ciks":["0000928465"],"period_ending":"2020-03-31","file_num":["001-15589"],"display_names":["AMCON DISTRIBUTING CO (DIT) (CIK 0000928465)"],"xsl":null,"sequence":1,"root_forms":["10-Q"],"file_date":"2020-04-20","biz_states":["NE"],"sics":["5141"],"form":"10-Q","adsh":"0001558370-20-004060","film_num":["20802666"],"biz_locations":["Omaha…

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/5402/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5402/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5402/receipt.json