Chain of custody receipt

Source #10431

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.

TitleIndustry analysis and business reports
Original URLhttps://trekkers.blog/matt-danzeisen/
PublicationDirected Inquiry — Web Search
Source typeweb_search
Date2025-01-01
EntityHPSP
Captured2026-04-15T07:46:23.972Z UTC
Hash computed at2026-04-15T07:46:23.972Z UTC
SHA-256fc99b12d65fdc0d0e59b57b2a47849d707566a4074a171177ef7932a6b80d179
Content length98 bytes
Content preview (first 800 chars) 
HPSP is often dubbed 'Korea's ASML' and dominates the market for semiconductor annealing equipment

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/10431/verify and our server will compare for you:

curl -X POST https://www.goblinhouse.net/source/10431/verify \
  -H "Content-Type: text/plain" \
  --data-binary @document.txt

Companion machine-readable receipt: /source/10431/receipt.json