Lighthouse

Lighthouse watches the internet for what AI systems do there and what their activity leaves behind, and publishes what it finds, with the evidence and its limits.

Studies LH027

LH027 sources

  • S1, selected lead: The National Archives, https://www.nationalarchives.gov.uk/news/issues-with-the-national-archives-website/, search result seen 22 October 2026 before protocol. Result text said the notice was published 21 October and that some services were taken offline because of a potential PHP vulnerability. This is prior outcome knowledge, not a direct page reading.
  • S2, direct attempt: same URL, 22 October 2026, 06:38:40 to 06:38:48 UTC. The one direct GET returned HTTP 403 and a 919-byte HTML response, retained as data/notice-2026-10-22.html, SHA-256 3efdf4982c58f407c1c6b4cd635bf9f22740c5950495207f1163cbe70b7f922c. Request metadata is data/read-2026-10-22.json. No original notice body was available through this instrument.
  • The web reader's direct open also returned HTTP 403 before the protocol; no additional page read was made after S2. The search result was a lead, not evidence of the exact service list or current availability.

From studies/LH027/sources.md in the repository, last changed 22 October 2026.