Chain of custody receipt

Source #4303

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 — SOMPO Holdings, Inc. (2017-09-29)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22SOMPO%20Holdings%2C%20Inc.%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2017-09-29
EntitySOMPO Holdings, Inc.
Captured2026-04-12T01:50:47.138Z UTC
Hash computed at2026-04-12T01:50:47.138Z UTC
SHA-256ea7059faa995d6d30b3a3bb2a274f823a280b8a4bb165d8e6b42c4b8c20c6a54
Content length61,005 bytes
Content preview (first 800 chars) 
{"took":426,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":108,"relation":"eq"},"max_score":18.233427,"hits":[{"_index":"edgar_file","_id":"0000947871-17-000765:ss60973_13da.htm","_score":18.233427,"_source":{"ciks":["0001582086","0001458205"],"period_ending":null,"file_num":["005-87699"],"display_names":["Blue Capital Reinsurance Holdings Ltd. (CIK 0001582086)","SOMPO HOLDINGS, INC. (CIK 0001458205)"],"xsl":null,"sequence":1,"root_forms":["SC 13D"],"file_date":"2017-09-29","biz_states":["D0","M0"],"sics":["6331","6331"],"form":"SC 13D/A","adsh":"0000947871-17-000765","film_num":["171110072"],"biz_locations":["Pembroke, D0","Tokyo, M0"],"file_type":"SC 13D/A","file_description":"AMENDMENT NO…

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/4303/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4303/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4303/receipt.json