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 LH033

LH033 checkpoint, 29 October 2026

Working record, unreviewed. Read at 06:35 UTC (Censys only); Censys's snapshot says it was refreshed at 06:15 UTC. Tables: data/read-2026-10-29T0635Z/tables.json. Completed days run from day 0 (21 October) to day 7 (28 October). Written by the scheduled daily run. This is the read the interim checkpoint of 30 October may use: day 7 is complete here.

Revisions

None: days 0 to 6 are identical, field for field, to the read of 28 October.

Censys: share of version-reporting services in each fixed branch counted as patched (observation, its classification)

Branch Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7 Services in branch, day 7
8.2 22.1% 41.2% 46.1% 48.1% 49.6% 51.2% 53.0% 6.01 million
8.3 23.8% 42.2% 45.9% 47.8% 49.0% 50.6% 52.4% 7.86 million
8.4 35.3% 58.5% 62.3% 63.5% 64.5% 66.0% 67.8% 3.24 million
8.5 36.1% 70.5% 73.3% 74.5% 75.7% 77.5% 78.8% 3.38 million

Day 7 added 1.3 to 1.8 points in each branch. First day at half: 8.4 and 8.5 day 2, 8.2 and 8.3 day 6.

Censys: the tail no fix reaches

Day 7: 24.4 million services on branches PHP did not fix, 54.3 per cent of the 44.9 million that reported a version. Services reporting no version: 66.1 million, 59.5 per cent of the 110.9 million PHP services counted. The total counted has grown each day since 23 October.

Chart

Redrawn from this read; checked in light and dark, no collision.

From studies/LH033/checkpoints/2026-10-29.md in the repository, last changed 29 October 2026.