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: 1333
Hash: 070596178a646a718af339112b4dcde5849c0a8bf108f19e191d72fd0f8e85c2
Previous block: 5420302966aff7920c8b660d9c6858aa49459163f4d6fe8a4f7c1d6df31460a8
Next block: 43bc8b26de2afc61eb0c65908c36d495b88247a2cf122ff37084b4130d1d8e6b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697630
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e622bb1d1d57770232ad21070b619fcd04e08eebbcbd68fa564cf5a9fea26eb5
Median time: 1718697629
Difficulty: 4.656542373906925e-10
Confirmations: 911
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a6c
Bits: 207fffff