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: 1591
Hash: 3097cb1b6eeec1dc484e01207a90ed9b8410b6583be1ffc44f22d70e12077482
Previous block: 40db10512995df9ac64c9619a5667083ce8e4aa074103a1a39e8235ec4e165d3
Next block: 189a3b397bde9739bf9570dc6bf5a38edf283c5c4cab6aa6d5a34b86b434aaa3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697673
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 450693874d3972d9e3b33b2d966b942882d91dfe1802b226138af2c95df1c0b9
Median time: 1718697672
Difficulty: 4.656542373906925e-10
Confirmations: 653
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c70
Bits: 207fffff