Chain of custody receipt

Source #5298

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 — William H. Mitchell (2016-03-04)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22William%20H.%20Mitchell%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2016-03-04
EntityWilliam H. Mitchell
Captured2026-04-12T17:39:37.671Z UTC
Hash computed at2026-04-12T17:39:37.671Z UTC
SHA-256a4441d972a0e986ad779bec6ac075c1f230e14e48ca6ba78a49a83ec5e835344
Content length57,155 bytes
Content preview (first 800 chars)
{"took":1824,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":174,"relation":"eq"},"max_score":18.748114,"hits":[{"_index":"edgar_file","_id":"0000950123-04-004002:y95672exv32w2.htm","_score":18.748114,"_source":{"ciks":["0000919794"],"period_ending":"2003-12-31","file_num":["000-27168"],"display_names":["VIEWPOINT CORP (CIK 0000919794)"],"xsl":null,"sequence":7,"root_forms":["10-K"],"file_date":"2004-03-30","biz_states":["NY"],"sics":["7372"],"form":"10-K","adsh":"0000950123-04-004002","film_num":["04701034"],"biz_locations":["New York, NY"],"file_type":"EX-32.2","file_description":"CERTIFICATION OF…

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/5298/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5298/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5298/receipt.json