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: 1318
Hash: 19bcc98441f934e48ea1e2a98ff02073c401a60087f3ff69b6dbc8f1257b4a1b
Previous block: 3d98ecdf414fb5b09f9084d9bebcde8948940eff04ded4d058bd4b6cac0c1a32
Next block: 198d3166d56d833605649854a7d7f582c083198dde06451a0e97747e04c16de4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697627
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: c5b12eba460e764ce74cc63fe8e337ecfea97c9a5acb38a3198729d549dabbeb
Median time: 1718697626
Difficulty: 4.656542373906925e-10
Confirmations: 926
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a4e
Bits: 207fffff