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: 2594
Hash: 3399bf6f3aadce0c01eb891677e42cd6096af3990f3d4a8578bb0d5eac1b48aa
Previous block: 4b1c7d93f772aaff4b7d7b18cd122531b8195331ba0540f0b0655f074babbe06
Next block: 425952f190ab5be467821dce8a28158c1ae14aa12a5f9c9a0e8351832456a1ed
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847319
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 77c619d04997737964d71b2a799ea65d1db63ef0ec1b2e93de718826998315fd
Median time: 1743847318
Difficulty: 4.656542373906925e-10
Confirmations: 49
Chainwork: 0000000000000000000000000000000000000000000000000000000000001446
Bits: 207fffff