Chain of custody receipt

Source #43480

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 — Brennan Center for Justice (2021-02-17)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Brennan%20Center%20for%20Justice%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2021-02-17
EntityBrennan Center for Justice
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:08:53.614Z UTC
SHA-2563e4158703ddc98d8940ea40d858d3429685682e7bb6c96290fcb7315f645cb84
Content length605 bytes
Content preview (first 800 chars)
{
  "ciks": [
    "0001042776"
  ],
  "period_ending": "2020-12-31",
  "file_num": [
    "001-34626"
  ],
  "display_names": [
    "Piedmont Office Realty Trust, Inc.  (PDM)  (CIK 0001042776)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2021-02-17",
  "biz_states": [
    "GA"
  ],
  "sics": [
    "6512"
  ],
  "form": "10-K",
  "adsh": "0001042776-21-000032",
  "film_num": [
    "21645095"
  ],
  "biz_locations": [
    "Atlanta, GA"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10-K FYE 12-31-2020",
  "inc_states": [
    "MD"
  ],
  "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/43480/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/43480/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/43480/receipt.json