Daylight, “tracker removed from https://nasa.gov/: Google Ads.” https://daylight.watch/change/25133 — content fingerprint sha256:9866a58f936dcdbd14b911b7120b5acf59ab8a71af1f60a46bd27a3fcf9cbdb9 (accessed 2026-10-30).
This is a permanent, citable permalink for a single observed change. Every value above is derived from public data; the source link points at the exact artifact it was read from.