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: 1134
Hash: 5c2dbe3d6e456dea7256473d9352be8ce8f0cc52af82dc78ad9a6f394820f985
Previous block: 07c9cd19d27c64957b669c3fba3113f71d667a763776d277d97f7ce55d888ecd
Next block: 570cd214a619b04eb3c070548c80655d4b6717d2d4f3aff83ebf2b2ea8eebb6b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857857
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1c89d45a9e3c134a61bb80f5ec1ef8a0957fcdae65e292ac8a2c3f5f65da1c9f
Median time: 1707857857
Difficulty: 4.656542373906925e-10
Confirmations: 1110
Chainwork: 00000000000000000000000000000000000000000000000000000000000008de
Bits: 207fffff