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 | IRS Form 990: Chamber Of Digital Commerce — 2021 (EIN: 47-1183361) |
|---|---|
| Original URL | https://projects.propublica.org/nonprofits/download-filing?path=IRS%2F471183361_202112_990O_2023060121350462.pdf |
| Publication | IRS Form 990 via ProPublica Nonprofit Explorer |
| Source type | form_990 |
| Date | 2021 |
| Entity | Digital Chamber |
| Captured | 2026-04-12T23:12:45.215Z UTC |
| Hash computed at | 2026-04-12T23:12:45.215Z UTC |
| SHA-256 | 3bcbc682823632139d380e6a6bdd9ebe2e7a37bae90b95a67adf8973e86b58cb |
| Content length | 2,932 bytes |
{
"organization": {
"id": 471183361,
"ein": 471183361,
"name": "Chamber Of Digital Commerce",
"careofname": null,
"address": "1667 K ST NW STE 640",
"city": "Washington",
"state": "DC",
"zipcode": "[ZIP+4 redacted]",
"exemption_number": 0,
"subsection_code": 6,
"affiliation_code": 3,
"classification_codes": "2000",
"ruling_date": "2014-09-01",
"deductibility_code": 2,
"foundation_code": 0,
"activity_codes": "000000000",
"organization_code": 1,
"exempt_organization_status_code": 1,
"tax_period": "2024-12-01",
"asset_code": 7,
"income_code": 6,
"filing_requirement_code": 1,
"pf_filing_requirement_code": 0,
"accounting_period": 12,
"asset_amount": 8079133,
"income_amount": 4498020…
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/5821/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/5821/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/5821/receipt.json