Chain of custody receipt

Source #74474

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 — Centra North Fund IV, LLC (2025-12-10)
Original URLhttps://www.sec.gov/Archives/edgar/data/2100098/000210009825000001/0002100098-25-000001-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2025-12-10
EntityNorth America'S Building Trades Unions Political Educational Fund
Captured2026-09-28T13:32:38.949Z UTC
Hash computed at2026-09-28T13:32:38.949Z UTC
SHA-256f0a331b73c0406df19d7b74968ffb5c0e76ded69df39a915ce9148bd3a4c1e26
Content length593 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0002100098"
  ],
  "period_ending": null,
  "file_num": [
    "021-566374"
  ],
  "display_names": [
    "Centra North Fund IV, LLC  (CIK 0002100098)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2025-12-10",
  "biz_states": [
    "MN"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0002100098-25-000001",
  "film_num": [
    "251561491"
  ],
  "biz_locations": [
    "Minneapolis, MN"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "DE"
  ],
  "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/74474/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/74474/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/74474/receipt.json