Chain of custody receipt

Source #73495

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: 10-K — AMERICAN EDUCATION CENTER, INC. (2019-04-16)
Original URLhttps://www.sec.gov/Archives/edgar/data/1626556/000114420419019919/0001144204-19-019919-index.htm
PublicationSEC EDGAR
Source typesec_filing
Date2019-04-16
EntityAmerican Federation Of Teachers, Afl-Cio Committee On Political Education
Captured2026-09-28T13:03:36.260Z UTC
Hash computed at2026-09-28T13:03:36.260Z UTC
SHA-2569857eae61638f1d29fe229de53dfdf09913cff4f98597fa3a1b62a9994c1fb55
Content length582 bytes
Content preview (first 800 chars) 
{
  "ciks": [
    "0001626556"
  ],
  "period_ending": "2018-12-31",
  "file_num": [
    "333-201029"
  ],
  "display_names": [
    "AMERICAN EDUCATION CENTER, INC.  (CIK 0001626556)"
  ],
  "xsl": null,
  "sequence": 1,
  "root_forms": [
    "10-K"
  ],
  "file_date": "2019-04-16",
  "biz_states": [
    "NY"
  ],
  "sics": [
    "8200"
  ],
  "form": "10-K",
  "adsh": "0001144204-19-019919",
  "film_num": [
    "19751540"
  ],
  "biz_locations": [
    "New York, NY"
  ],
  "file_type": "10-K",
  "file_description": "FORM 10-K",
  "inc_states": [
    "NV"
  ],
  "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/73495/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/73495/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/73495/receipt.json