The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 2453
Hash: 6ebdf64f7dd0e5acdefad77774a09a07372eb48fd64944b441fc033e729b2d40
Previous block: 08ff25d1cad4eaa8f5bbb89a647c62af6e7958f076be2924bff82dde9411173f
Next block: 06314d239c1c3e2efa14c0aab5f83cff0fecdf56c0d3ff0995dc036dfd44f925
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847295
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 480b30aba6962e0903d9fe718a955c10d79e934bed26645a4f787c39274aa071
Median time: 1743847295
Difficulty: 4.656542373906925e-10
Confirmations: 190
Chainwork: 000000000000000000000000000000000000000000000000000000000000132c
Bits: 207fffff