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: 1155
Hash: 32cbfddf695b96b9646eee77e69e2a14fe034c5151dc3698765d896e1ce0b73d
Previous block: 4d30400045323b60447cd872291ae1b7a4f5a55f9819b27ecf48600cb6221f57
Next block: 26f43aa668659ba89cc176e02622ada994ef789b1bedcb2e98fdae3c562cee4d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857861
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: bc1ff108ccaee36496f43a965d45bf07a4c5768f229d34635f01da89695276d5
Median time: 1707857860
Difficulty: 4.656542373906925e-10
Confirmations: 1089
Chainwork: 0000000000000000000000000000000000000000000000000000000000000908
Bits: 207fffff