Chain of custody receipt

Source #9374

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 — Mark Woolway (2022-04-08)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Mark%20Woolway%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typeweb_search
Date2022-04-08
EntityMark Woolway
Captured2026-04-13T21:11:48.502Z UTC
Hash computed at2026-04-13T21:11:48.502Z UTC
SHA-256448c3a41393e9fc1ced8f9754f4f1499a1ab58d58ec94d212650ae48d144d214
Content length1,030 bytes
Content preview (first 800 chars) 
{"took":1098,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":0,"relation":"eq"},"max_score":null,"hits":[]},"aggregations":{"entity_filter":{"doc_count_error_upper_bound":0,"sum_other_doc_count":0,"buckets":[]},"sic_filter":{"doc_count_error_upper_bound":0,"sum_other_doc_count":0,"buckets":[]},"biz_states_filter":{"doc_count_error_upper_bound":0,"sum_other_doc_count":0,"buckets":[]},"form_filter":{"doc_count_error_upper_bound":0,"sum_other_doc_count":0,"buckets":[]}},"query":{"_source":{"exclude":["doc_text"]},"query":{"bool":{"must":[{"match_phrase":{"doc_text":"Mark Woolway"}}],"must_not":[],"should":[],"filter":[{"terms":{"root_forms":["4","SC 13D","SC 13G","DEF…

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/9374/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/9374/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/9374/receipt.json