Chain of custody receipt

Source #12303

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 — Kenneth Dahlberg (2003-09-11)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Kenneth%20Dahlberg%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2003-09-11
EntityKenneth Dahlberg
Captured2026-04-23T06:31:29.713Z UTC
Hash computed at2026-04-23T06:31:29.713Z UTC
SHA-256ddd79d89a722b21ff4698f47ea668483383bd01a204f6f834125f62b7b089a6c
Content length2,949 bytes
Content preview (first 800 chars) 
{"took":2333,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":3,"relation":"eq"},"max_score":3.1747284,"hits":[{"_index":"edgar_file","_id":"0001193125-12-191730:d324810ddef14a.htm","_score":3.1747284,"_source":{"ciks":["0001336920"],"period_ending":"2012-06-15","file_num":["001-33072"],"display_names":["SAIC, Inc. (LDOS) (CIK 0001336920)"],"xsl":null,"sequence":1,"root_forms":["DEF 14A"],"file_date":"2012-04-27","biz_states":["VA"],"sics":["7373"],"form":"DEF 14A","adsh":"0001193125-12-191730","film_num":["12791138"],"biz_locations":["Mclean, VA"],"file_type":"DEF 14A","file_description":"DEFINITIVE PROXY…

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/12303/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/12303/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/12303/receipt.json