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: SC 13D/A — Madison Covered Call & Equity Strategy Fund (2018-07-02) |
|---|---|
| Original URL | https://www.sec.gov/Archives/edgar/data/1289868/000104870318000079/0001048703-18-000079-index.htm |
| Publication | SEC EDGAR |
| Source type | sec_filing |
| Date | 2018-07-02 |
| Entity | Madison PAC; The |
| Captured | 2026-09-28T12:54:07.678Z UTC |
| Hash computed at | 2026-09-28T12:54:07.678Z UTC |
| SHA-256 | c965be3551daa42de21513eecf35cbc10b599387cffd307662ec12b602a4bd17 |
| Content length | 688 bytes |
{
"ciks": [
"0001289868",
"0001048703"
],
"period_ending": null,
"file_num": [
"005-83527"
],
"display_names": [
"Madison Covered Call & Equity Strategy Fund (MCN) (CIK 0001289868)",
"Karpus Management, Inc. (CIK 0001048703)"
],
"xsl": null,
"sequence": 1,
"root_forms": [
"SC 13D"
],
"file_date": "2018-07-02",
"biz_states": [
"WI",
"NY"
],
"sics": [],
"form": "SC 13D/A",
"adsh": "0001048703-18-000079",
"film_num": [
"18931173"
],
"biz_locations": [
"Madison, WI",
"Pittsford, NY"
],
"file_type": "SC 13D/A",
"file_description": null,
"inc_states": [
"DE",
"NY"
],
"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/73151/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/73151/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/73151/receipt.json