Substack: Unable to sign in on the Android app
Timeline of updates
- investigating
We are currently investigating this issue.
- monitoring
A fix has been implemented and we are monitoring the results.
- resolved
This incident has been resolved.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
21cef69d7c096b41…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Substack, started 2025-08-11 16:15 UTC, resolved after 20 min, 3 update(s).
- Title
- Unable to sign in on the Android app
- Vendor
- Substack
- Date
- URL
- https://rewindex.com/company/substack/incidents/qbng2wcv71pl
Substack profileRecent Substack incidentsAll outages on August 11, 2025Substack in August 2025MarkdownJSON