Chain of custody receipt

Source #6091

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 — Janet Yellen (2015-12-17)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Janet%20Yellen%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2015-12-17
EntityJanet Yellen
Captured2026-04-12T23:14:41.910Z UTC
Hash computed at2026-04-12T23:14:41.910Z UTC
SHA-2561b9f17c8d76b570951ef8b46b2fee891230bcbb43a1195c528722d80271187bc
Content length57,858 bytes
Content preview (first 800 chars) 
{"took":1165,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":353,"relation":"eq"},"max_score":19.350952,"hits":[{"_index":"edgar_file","_id":"0000888471-17-000007:c471-20170630x10q.htm","_score":19.350952,"_source":{"ciks":["0000888471"],"period_ending":"2017-06-30","file_num":["000-50725"],"display_names":["NESTOR PARTNERS (CIK 0000888471)"],"xsl":null,"sequence":1,"root_forms":["10-Q"],"file_date":"2017-08-11","biz_states":["CT"],"sics":["6221"],"form":"10-Q","adsh":"0000888471-17-000007","film_num":["171025567"],"biz_locations":["Greenwich…

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/6091/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/6091/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/6091/receipt.json