Chain of custody receipt

Source #5712

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 — Elizabeth Warren (2006-03-22)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Elizabeth%20Warren%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2006-03-22
EntityElizabeth Warren
Captured2026-04-12T23:12:24.665Z UTC
Hash computed at2026-04-12T23:12:24.665Z UTC
SHA-25684dc5d7b360dc0e723e3eec3102ea9a983d2b1949e0a42b0b62a431adf71a1be
Content length42,774 bytes
Content preview (first 800 chars) 
{"took":700,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":70,"relation":"eq"},"max_score":18.514818,"hits":[{"_index":"edgar_file","_id":"0001032210-02-000235:dsc13g.txt","_score":18.514818,"_source":{"ciks":["0001167457","0001034669"],"period_ending":null,"file_num":["005-52631"],"display_names":["WARREN MARY ELIZABETH (CIK 0001167457)","FISHER COMMUNICATIONS INC (CIK 0001034669)"],"xsl":null,"sequence":1,"root_forms":["SC 13G"],"file_date":"2002-02-14","biz_states":["WA"],"sics":["2040"],"form":"SC 13G","adsh":"0001032210-02-000235","film_num":["02547074"],"biz_locations":["Port Gamble, WA","Seattle, WA"],"file_type":"SC 13G","file_description":"SCHEDULE 13G FOR MARY ELIZABETH…

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/5712/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5712/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5712/receipt.json