PageDigest
Check what changed before fetching a website again.
Open-source toolProtocol 1.0
Read the recorded crawl →Work
dotrepo
Look up repository facts, with their sources and the date they were checked.
Open-source toolRelease 1.0.3
Inspect a build answer →Writing
PageDigest v1.0 is final
The version 1 wire format, updated packages, and a crawler run against pagedigest.org.
A file that tells crawlers which pages changed
The July release candidate: how the manifest works and what I wanted people to try.
Set up repository metadata with dotrepo
Create a .repo file, validate its contents, and inspect the sources behind its answers.
Where did that build command come from?
A build command, the file it came from, and what to check when two sources disagree.
Which repository instructions should I believe?
Build commands and ownership records are more useful when you know where they came from and when to check them.