Chain of custody receipt

Source #197

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: MOSAIC - SEC filing
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22MOSAIC%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationPublic Record Research
Source typeweb_search
Date2024
EntityMOSAIC
Captured2026-04-05T08:05:46.220Z UTC
Hash computed at2026-04-05T08:05:46.220Z UTC
SHA-256b69b5c39377eea3a951ef4e6a7669f67ce890b836c49d3d4945be39f2080b115
Content length59,765 bytes
Content preview (first 800 chars)
{"took":331,"timed_out":false,"_shards":{"total":50,"successful":50,"skipped":0,"failed":0},"hits":{"total":{"value":6366,"relation":"eq"},"max_score":11.100908,"hits":[{"_index":"edgar_file","_id":"0001193125-04-190580:d10q.htm","_score":11.100908,"_source":{"ciks":["0001160701"],"period_ending":"2004-09-30","file_num":["333-71510-06"],"display_names":["MOSAIC PHOSPHATES CO (CIK 0001160701)"],"xsl":null,"sequence":1,"root_forms":["10-Q"],"file_date":"2004-11-09","biz_states":["IL"],"sics":["2870"],"form":"10-Q","adsh":"0001193125-04-190580","film_num":["041127714"],"biz_locations":["Lake Forest, IL"],"file_type":"10-Q","file_description":"FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30…

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/197/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/197/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/197/receipt.json