The chain started with gaia 2.0.3 and the last version used was 2.0.15. This last version allowed the network to halt at a specific time using command-line parameters.
Database:
cosmoshub-3-20210219145000-5200791.zip (157GB)
cosmoshub-3-20210219145000-5200791.zip.sha256
SHA256SUMS
gaiad linux amd64 v2.0.3
gaiacli linux amd64 v2.0.3
genesis.json
config.toml
app.toml
At 2021-02-18 0600 UTC the network was stopped and exported by the validators using gaia v2.0.15. By consensus, the export height was 5200790. (Note that the hub3 backup contains an invalid 5200791 height.) Cosmos Hub 4 started with the first block at height 5200791.