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: 183
Hash: 6db72b67b2eef821db2a4dad0e4a8e40d917314d027e1372c70d7ac503a9a487
Previous block: 519ad06bd5098d11706d60496fa99877ab90a5cbb1032c73a98a0d28f5be093d
Next block: 625e44c3c01e4ed049c0cf2575a3d27b2c1050cbdfdf947c14901b93fd19acbf
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597898
Stripped size: 218
Size: 218
Nonce: 1
Merkle root: aa193f5208e98b68bb632cd7484d14419e8278f48553a2d18bc592dfdc018417
Median time: 1701597897
Difficulty: 4.656542373906925e-10
Confirmations: 2061
Chainwork: 0000000000000000000000000000000000000000000000000000000000000170
Bits: 207fffff