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: 2433
Hash: 4bff3a32e96fb515a3fb6143a323efa60f968f59d82ebad102cfce0dbdb3aa3e
Previous block: 1a096ff679cfd47083c168e1dddfb5172c074760bf6fb99bff88cbaada5138bf
Next block: 05bb9d41ac9c9f539c50d144a2582ca283b59bbd90a25ef907240e4331ec4e24
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847292
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 056f371d3dcb4513df5fdbc5af9494bef342df9532bb8af6b6943e2178733ae8
Median time: 1743847291
Difficulty: 4.656542373906925e-10
Confirmations: 210
Chainwork: 0000000000000000000000000000000000000000000000000000000000001304
Bits: 207fffff