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: Center For Ai Safety Action Fund Inc (EIN: 93-2442608) |
|---|---|
| Original URL | https://projects.propublica.org/nonprofits/organizations/932442608 |
| Publication | IRS Form 990 via ProPublica Nonprofit Explorer |
| Source type | form_990 |
| Date | 2026 |
| Entity | Center for AI Safety |
| Captured | 2026-04-12T17:40:35.499Z UTC |
| Hash computed at | 2026-04-12T17:40:35.499Z UTC |
| SHA-256 | aa06e0941387f767cf8634b7f4310c9baa0120725b6367286ecf095c755128b4 |
| Content length | 1,621 bytes |
{
"organization": {
"id": 932442608,
"ein": 932442608,
"name": "Center For Ai Safety Action Fund Inc",
"careofname": null,
"address": "555 MONTGOMERY ST FL 2",
"city": "San Francisco",
"state": "CA",
"zipcode": "[ZIP+4 redacted]",
"exemption_number": 0,
"subsection_code": 4,
"affiliation_code": 3,
"classification_codes": "3000",
"ruling_date": "2023-10-01",
"deductibility_code": 2,
"foundation_code": 0,
"activity_codes": "000000000",
"organization_code": 1,
"exempt_organization_status_code": 1,
"tax_period": "2024-12-01",
"asset_code": 6,
"income_code": 6,
"filing_requirement_code": 1,
"pf_filing_requirement_code": 0,
"accounting_period": 12,
"asset_amount": 1890527,
"income_amount"…
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/5415/verify and our server will compare for you:
curl -X POST https://www.goblinhouse.net/source/5415/verify \ -H "Content-Type: text/plain" \ --data-binary @document.txt
Companion machine-readable receipt: /source/5415/receipt.json