2026-09-09 09:05:32 +00:00
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 # Mainnet cutover runbook

+**Outcome, 2026-09-09.** Cut over at 09:01 UTC, eight minutes before the
+announced 09:09, by hand from roosta (`ssh` + `sudo`) because the `infra`
+runner and the metrics host (kosherinata site) were unreachable from
+08:45. Sequence as below, with the genesis assertion skipped since no hash
+had been published; bob reported genesis
+`0xfb5487c0be6ae4ade2d41d16e50465129861636c2b8d61fa94d7a19631626fba`,
+spec id `mainnet`, and that hash is now `EXPECTED_GENESIS`. Miners had
+mainnet credentials and job 1 by 09:01:49. Blocks 1–4 were imported from
+the network by 09:03:40 at difficulty ~9.7e10, so other miners were live
+before the hour. lair/quantus#31 and quantus/miner#21 commit the values;
+the node stayed on 0.11.1 (`--chain mainnet.json`, as the foundation said).
+
+
 Launch announced for **2026-09-09 09:09 UTC** (12:09 EEST; the plan was posted on Quantus Insiders on 2026-09-08). The foundation's
 sequence: node binary release on GitHub, genesis hash published, their
 bootnodes up, then chain spec + bootnodes + verification instructions shared,