Chain of custody receipt

Source #47014

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 — Cupat v. Palantir Technologies Inc., et al. (2023-02-21)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Cupat%20v.%20Palantir%20Technologies%20Inc.%2C%20et%20al.%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2023-02-21
EntityCupat v. Palantir Technologies Inc., et al.
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:18:48.919Z UTC
SHA-256c35389b74c5040ac41d835d336a015942355f328c7cd4854d4cf661fd1670575
Content length565 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001321655"
  ],
  "period_ending": "2022-12-31",
  "file_num": [
    "001-39540"
  ],
  "display_names": [
    "Palantir Technologies Inc.  (PLTR)  (CIK 0001321655)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2023-02-21",
  "biz_states": [
    "CO"
  ],
  "sics": [
    "7372"
  ],
  "form": "10-K",
  "adsh": "0001321655-23-000011",
  "film_num": [
    "23648746"
  ],
  "biz_locations": [
    "Denver, CO"
  ],
  "file_type": "10-K",
  "file_description": "10-K",
  "inc_states": [],
  "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/47014/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/47014/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/47014/receipt.json