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: 1149
Hash: 11c5177d1a8887b639cfeafe0fd7f16bbc1c4d30df9e5b5c60ecc0bc863283e9
Previous block: 7a019975c2e7cf92a847580a4928f5fae517a23dc609308d998fc658ed0944d3
Next block: 4e260e1b88f54687af17e5abfa992bb7789ab7e69b4a92fe1ac7619608eac5d7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857860
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ff7f6dd3e8a7d7766536aa8e16b30efb7e5d9fcf7245063c51e199048bc8e647
Median time: 1707857859
Difficulty: 4.656542373906925e-10
Confirmations: 1095
Chainwork: 00000000000000000000000000000000000000000000000000000000000008fc
Bits: 207fffff