Chain of custody receipt

Source #158

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.

TitleResearch: Trumid Holdings - SEC filing
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Trumid%20Holdings%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationPublic Record Research
Source typeweb_search
Date2024
EntityTrumid Holdings
Captured2026-04-05T07:59:20.429Z UTC
Hash computed at2026-04-05T07:59:20.429Z UTC
SHA-2560f7a9be7c72b1c264dbbd729dcc5913be03432bb95172beafe1b9492981c203d
Content length2,329 bytes
Content preview (first 800 chars)
{"took":1712,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":2,"relation":"eq"},"max_score":4.795927,"hits":[{"_index":"edgar_file","_id":"0001213900-21-017744:f10k2020_bridgetown2.htm","_score":4.795927,"_source":{"ciks":["0001831236"],"period_ending":"2020-12-31","file_num":["001-39932"],"display_names":["Bridgetown 2 Holdings Ltd (CIK 0001831236)"],"xsl":null,"sequence":1,"root_forms":["10-K"],"file_date":"2021-03-25","biz_states":["F4"],"sics":["6770"],"form":"10-K","adsh":"0001213900-21-017744","film_num":["21772598"],"biz_locations":["Hong Kong, F4"],"file_type":"10-K","file_description":"ANNUAL…

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/158/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/158/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/158/receipt.json