Chain of custody receipt

Source #8506

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 — Information Technology Division (2006-03-06)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Information%20Technology%20Division%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2006-03-06
EntityInformation Technology Division
Captured2026-04-13T18:48:37.367Z UTC
Hash computed at2026-04-13T18:48:37.367Z UTC
SHA-2561ed465c664514d0abe84072d53186ce12a97984296f0d2bdf19606477bc04cf6
Content length58,762 bytes
Content preview (first 800 chars)
{"took":3497,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":416,"relation":"eq"},"max_score":8.613215,"hits":[{"_index":"edgar_file","_id":"0000930413-10-004362:c62489_10q.htm","_score":8.613215,"_source":{"ciks":["0001289863"],"period_ending":"2010-06-30","file_num":["001-32300"],"display_names":["SmartPros Ltd. (CIK 0001289863)"],"xsl":null,"sequence":1,"root_forms":["10-Q"],"file_date":"2010-08-10","biz_states":["NY"],"sics":["8200"],"form":"10-Q","adsh":"0000930413-10-004362","film_num":["101005341"],"biz_locations":["Hawthorne…

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/8506/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/8506/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/8506/receipt.json