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.
| Title | SEC EDGAR: filing — American Federation of Teachers (2007-10-02) |
|---|---|
| Original URL | https://efts.sec.gov/LATEST/search-index?q=%22American%20Federation%20of%20Teachers%20(AFT)%22&dateRange=custom&forms=4,SC%2013D,SC%2013G,DEF%2014A,10-K,10-Q |
| Publication | SEC EDGAR |
| Source type | sec_filing |
| Date | 2007-10-02 |
| Entity | American Federation of Teachers (AFT) |
| Captured | 1970-01-01T00:00:00.000Z UTC |
| Hash computed at | 2026-05-17T21:16:24.655Z UTC |
| SHA-256 | 733cd4ef13ef975507d777089c057d617836365b75898ba9cd354e55f6296932 |
| Content length | 686 bytes |
{
"ciks": [
"0000320121",
"0001319959"
],
"period_ending": null,
"file_num": [
"005-34123"
],
"display_names": [
"TELOS CORP (TLS) (CIK 0000320121)",
"Costa Brava Partnership III LP (CIK 0001319959)"
],
"xsl": null,
"sequence": 1,
"root_forms": [
"SC 13D"
],
"file_date": "2007-10-02",
"biz_states": [
"VA",
"MA"
],
"sics": [
"7373"
],
"form": "SC 13D/A",
"adsh": "0001019056-07-000888",
"film_num": [
"071147913"
],
"biz_locations": [
"Ashburn, VA",
"Boston, MA"
],
"file_type": "SC 13D/A",
"file_description": "SCHEDULE 13D/A",
"inc_states": [
"MD",
"DE"
],
"items": []
}
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:
url + '\n' + content and SHA-256 it.Or POST the candidate content to /source/59891/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/59891/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/59891/receipt.json