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: 1150
Hash: 4e260e1b88f54687af17e5abfa992bb7789ab7e69b4a92fe1ac7619608eac5d7
Previous block: 11c5177d1a8887b639cfeafe0fd7f16bbc1c4d30df9e5b5c60ecc0bc863283e9
Next block: 7ac0d2d316831e12aa92910fdc57d7b02f83392b84234d2f647d8340d4a5e301
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857860
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9430d1a4bbe4fc5cc6e773ae685c56ee9902ff822b47aa8346eacfcb0f100aec
Median time: 1707857859
Difficulty: 4.656542373906925e-10
Confirmations: 1094
Chainwork: 00000000000000000000000000000000000000000000000000000000000008fe
Bits: 207fffff