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. mupBAc74k

Height: 2239
Hash: 2044120c24cd6cdef0158c0a53871afffd7988a48a97145739a7ecadb75b5036
Previous block: 5fb5a9fdfbc3232dd3498e6abe333de81264eac4504bd2c8dffe9f47b84c12c4
Next block: 30629432b0e23caa82cff4f368e9a252eda702c85e0c1b8d705b16dbf376004a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480982
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 43b74d5d7701b102dc094f2e35030a94d72279f3469484a4f919edbd12820413
Median time: 1719480982
Difficulty: 4.656542373906925e-10
Confirmations: 53
Chainwork: 0000000000000000000000000000000000000000000000000000000000001180
Bits: 207fffff