Chain of custody receipt

Source #76048

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: D — First Digital Trust Ltd (2021-02-10)
Original URLhttps://www.sec.gov/Archives/edgar/data/1838946/000183894621000001/0001838946-21-000001-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2021-02-10
EntityFirst Principles Digital
Captured2026-09-28T16:21:24.745Z UTC
Hash computed at2026-09-28T16:21:24.745Z UTC
SHA-256ada4210594817b64163dda2a0df991dbf16eac62c2f3ecad624ed5ad9244f540
Content length588 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001838946"
  ],
  "period_ending": null,
  "file_num": [
    "021-388981"
  ],
  "display_names": [
    "First Digital Trust Ltd  (CIK 0001838946)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2021-02-10",
  "biz_states": [
    "K3"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0001838946-21-000001",
  "film_num": [
    "21608777"
  ],
  "biz_locations": [
    "Hong Kong, K3"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "K3"
  ],
  "items": [
    "06C"
  ]
}

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/76048/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/76048/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/76048/receipt.json