Essential: Link 003 is the reserve — use it only when both Link 001 and Link 002 fail, then return to Primary next session.
Link 003 — Failover B
Nexus Market Onion — Mirror 3
http://nexus4glgk7xzeqdcantwwyfuh5qvckhlqbydrszx6n4zdlff5wjshid.onion/When to use Mirror 3
Both primary routes down, attack waves, or extended maintenance. If 003 also fails, wait 10–15 minutes with a New Identity and watch for a PGP-signed rotation announcement. Full ledger: /mirrors/.
Verify before login
Copy with the button, paste into Tor Browser (Safest mode), match all 56 characters against a PGP-signed announcement. Protocol: /mirror/.