Chain of custody receipt

Source #11219

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.

TitleTest 8-K Filing — Acme Holdings
Original URLhttps://www.sec.gov/cgi-bin/browse-edgar?test=goblin-handoff-1
PublicationSEC EDGAR
Source typediscovery_scope_note
Date2024-03-15
EntityAlex Karp
Captured2026-04-19T09:29:25.922Z UTC
Hash computed at2026-04-19T09:29:25.922Z UTC
SHA-256eb7221c3f8881a9b650e56b634cf6a366f7d593cd20563ca9d3d3a12e7c27f4c
Content length350 bytes
Content preview (first 800 chars) 
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Modified 07/18/2014

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/11219/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/11219/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/11219/receipt.json