Chain of custody receipt

Source #44269

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 — PPP (2020-09-28)
Original URLhttps://efts.sec.gov/LATEST/search-index?q=%22Protect%20Progress%20PAC%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q
PublicationSEC EDGAR
Source typesec_filing
Date2020-09-28
EntityProtect Progress PAC
Captured1970-01-01T00:00:00.000Z UTC
Hash computed at2026-05-13T05:05:26.323Z UTC
SHA-2565d38704b48c2daa2de15710ab2d91b6f4187b443e2d54d2ca0dd7f44ff135d76
Content length569 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0000887226"
  ],
  "period_ending": "2020-06-30",
  "file_num": [
    "000-20206"
  ],
  "display_names": [
    "PERCEPTRON INC/MI  (CIK 0000887226)"
  ],
  "xsl": null,
  "sequence": 3,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2020-09-28",
  "biz_states": [
    "MI"
  ],
  "sics": [
    "3827"
  ],
  "form": "10-K",
  "adsh": "0001564590-20-044833",
  "film_num": [
    "201205371"
  ],
  "biz_locations": [
    "Plymouth, MI"
  ],
  "file_type": "EX-4.13",
  "file_description": "EX-4.13",
  "inc_states": [
    "MI"
  ],
  "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/44269/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/44269/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/44269/receipt.json