Chain of custody receipt

Source #4440

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 — Bain Capital (2019-05-03)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Bain%20Capital%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2019-05-03
EntityBain Capital
Captured2026-04-12T01:53:10.292Z UTC
Hash computed at2026-04-12T01:53:10.292Z UTC
SHA-256dc1003087537b379a3233101acf02eb0f500ec86b9b0cb987cc563d222c5eced
Content length113,777 bytes
Content preview (first 800 chars) 
{"took":244,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":7790,"relation":"eq"},"max_score":15.333296,"hits":[{"_index":"edgar_file","_id":"0000899243-19-012098:attachment2.htm","_score":15.333296,"_source":{"ciks":["0001040508","0001379521","0001429909","0001440944","0001440945","0001429954","0001429955","0001429912","0001440946","0001775710","0001400891"],"period_ending":"2019-05-01","file_num":["000-53354","000-53354","000-53354","000-53354","000-53354","000-53354","000-53354","000-53354","000-53354","000-53354"],"display_names":["BAIN CAPITAL INVESTORS LLC (CIK 0001040508)","BCIP Trust Associates III-B (CIK 0001379521)","Bain Capital (CC) IX Offshore, L.P. (CIK 0001429909)","Bain Capital (CC) X Offshore, L.P. (CIK…

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/4440/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/4440/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/4440/receipt.json