Chain of custody receipt

Source #5625

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 — Quantum Fund (2026-03-13)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Quantum%20Fund%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2026-03-13
EntityQuantum Fund
Captured2026-04-12T23:08:39.109Z UTC
Hash computed at2026-04-12T23:08:39.109Z UTC
SHA-25634f5849f83ef287936e8a92ae26a3f38c94fd7d1febd069e578c635c49fca7fb
Content length39,209 bytes
Content preview (first 800 chars) 
{"took":2146,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":66,"relation":"eq"},"max_score":12.658134,"hits":[{"_index":"edgar_file","_id":"0001047469-20-005126:a2242350zex-10_13.htm","_score":12.658134,"_source":{"ciks":["0001680379"],"period_ending":"2019-12-31","file_num":["001-38290"],"display_names":["Sterling Bancorp, Inc. (SBT) (CIK 0001680379)"],"xsl":null,"sequence":8,"root_forms":["10-K"],"file_date":"2020-10-06","biz_states":["MI"],"sics":["6035"],"form":"10-K","adsh":"0001047469-20-005126","film_num":["201227084"],"biz_locations":["Southfield…

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/5625/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/5625/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/5625/receipt.json