Chain of custody receipt

Source #62936

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 — CF (2021-01-19)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Concord%20Fund%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-01-19
EntityConcord Fund
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-25T07:26:41.736Z UTC
SHA-256a217404973eac68e947946f72e55f50b637ae95d5036cfd7316a840827e74b6a
Content length595 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001742998"
  ],
  "period_ending": "2020-12-31",
  "file_num": [
    "028-18846"
  ],
  "display_names": [
    "FNY Investment Advisers, LLC  (CIK 0001742998)"
  ],
  "xsl": "xslForm13F_X01",
  "sequence": 2,
  "root_forms": [
    "13F-HR"
  ],
  "file_date": "2021-01-19",
  "biz_states": [
    "NY"
  ],
  "sics": [],
  "form": "13F-HR",
  "adsh": "0001742998-21-000001",
  "film_num": [
    "21534816"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "INFORMATION TABLE",
  "file_description": "FNYIAQ42020",
  "inc_states": [
    "DE"
  ],
  "items": []
}

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/62936/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/62936/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/62936/receipt.json