Chain of custody receipt

Source #42284

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 — Swarm Aero (2026-02-19)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Swarm%20Aero%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2026-02-19
EntitySwarm Aero
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:10:53.003Z UTC
SHA-2560fa340f6f4e0cbaaf89e50585fc8566394e7d1231216a3c9e9c5d7eafde46902
Content length558 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0002092574"
  ],
  "period_ending": null,
  "file_num": [
    "333-293123"
  ],
  "display_names": [
    "Swarmer, Inc  (SWMR)  (CIK 0002092574)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "S-1"
  ],
  "file_date": "2026-02-19",
  "biz_states": [
    "TX"
  ],
  "sics": [
    "7372"
  ],
  "form": "S-1/A",
  "adsh": "0001104659-26-017547",
  "film_num": [
    "26654579"
  ],
  "biz_locations": [
    "Austin, TX"
  ],
  "file_type": "S-1/A",
  "file_description": "S-1/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/42284/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/42284/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/42284/receipt.json