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: 2463
Hash: 2d56bf0eb755f9255b2c863a37ebadb187559db207a7c959af7e5590ee16090b
Previous block: 3816bdc95b21e724b94028d54ea3559ce0372afe914dc1d357eb4b5f7b09f0d2
Next block: 25c3b83a0f2ba6c15406637d7d30779b3d3531f5525e5c7a43df4528e1fd1212
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847297
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 77ae6a151f7558ff284153c0ce37e086743d43de48d248bcd7dfaa3bda72e82f
Median time: 1743847296
Difficulty: 4.656542373906925e-10
Confirmations: 180
Chainwork: 0000000000000000000000000000000000000000000000000000000000001340
Bits: 207fffff