Chain of custody receipt

Source #5121

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 — FF4 Investment LLC (2023-02-14)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22FF4%20Investment%20LLC%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2023-02-14
EntityFF4 Investment LLC
Captured2026-04-12T17:38:55.745Z UTC
Hash computed at2026-04-12T17:38:55.745Z UTC
SHA-256c33c7c2422400efe73bfff5674602a99ca4b2d181a08646a20ec8525c38c4e7e
Content length8,732 bytes
Content preview (first 800 chars)
{"took":1924,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":12,"relation":"eq"},"max_score":21.413925,"hits":[{"_index":"edgar_file","_id":"0001104659-23-021547:tm235858d1_sc13ga.htm","_score":21.413925,"_source":{"ciks":["0001321655","0001211060"],"period_ending":null,"file_num":["005-92061"],"display_names":["Palantir Technologies Inc. (PLTR) (CIK 0001321655)","THIEL PETER (CIK 0001211060)"],"xsl":null,"sequence":1,"root_forms":["SC 13G"],"file_date":"2023-02-14","biz_states":["CO","CA"],"sics":["7372"],"form":"SC 13G/A","adsh":"0001104659-23-021547","film_num":["23628935"],"biz_locations":["Denver, CO","West Hollywood, CA"],"file_type":"SC 13G/A","file_description":"SC…

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/5121/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5121/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5121/receipt.json