Chain of custody receipt

Source #48070

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 — Palantir Technologies Japan K.K. (2026-04-30)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Palantir%20Technologies%20Japan%20K.K.%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2026-04-30
EntityPalantir Technologies Japan K.K.
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T04:14:36.745Z UTC
SHA-256b7ca6f82409fb9ef807d402b226aa4b0ab7acd258419da1d38d776a74fb61f13
Content length582 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001936224"
  ],
  "period_ending": "2025-12-31",
  "file_num": [
    "001-41759"
  ],
  "display_names": [
    "SURF AIR MOBILITY INC.  (SRFM)  (CIK 0001936224)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2026-04-30",
  "biz_states": [
    "CA"
  ],
  "sics": [
    "4522"
  ],
  "form": "10-K/A",
  "adsh": "0001193125-26-197314",
  "film_num": [
    "26925514"
  ],
  "biz_locations": [
    "Hawthorne, CA"
  ],
  "file_type": "10-K/A",
  "file_description": "10-K/A",
  "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/48070/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/48070/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/48070/receipt.json