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: 2287
Hash: 6bfe3f12402ed3beae03a19dabd0680ae4021631fcec6bda292d812b8a42bdf7
Previous block: 7906330f14aa6a509c9c3844393dc80da4e2ca4c4711b6f9cbe03ed12c15d007
Next block: 2ccc595e035772c4a1e4db107d7ffa28f33128324c32c6800db6038d1cb02d93
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480990
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 7c18b87fcbc2211c5f57a4955da7844e85d710e081b6d0ea991b4894538f1fd1
Median time: 1719480990
Difficulty: 4.656542373906925e-10
Confirmations: 5
Chainwork: 00000000000000000000000000000000000000000000000000000000000011e0
Bits: 207fffff