Chain of custody receipt

Source #80214

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 — Civic Media, Inc. (2026-06-03)
Original URLhttps://www.sec.gov/Archives/edgar/data/2138530/000104216726000048/0001042167-26-000048-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2026-06-03
EntityCivic Media
Captured2026-10-01T23:43:07.346Z UTC
Hash computed at2026-10-01T23:43:07.346Z UTC
SHA-2565cd099f0d5439cc2b09189a86d52d9fb613c4708b5626c8f34e88e654b07f213
Content length581 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0002138530"
  ],
  "period_ending": null,
  "file_num": [
    "021-586107"
  ],
  "display_names": [
    "Civic Media, Inc.  (CIK 0002138530)"
  ],
  "xsl": "xslFormDX01",
  "schema_version": "X0708",
  "sequence": 1,
  "root_forms": [
    "D"
  ],
  "file_date": "2026-06-03",
  "biz_states": [
    "WI"
  ],
  "sics": [],
  "form": "D",
  "adsh": "0001042167-26-000048",
  "film_num": [
    "261061793"
  ],
  "biz_locations": [
    "Madison, WI"
  ],
  "file_type": "D",
  "file_description": null,
  "inc_states": [
    "DE"
  ],
  "items": [
    "06B"
  ]
}

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/80214/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/80214/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/80214/receipt.json