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: 1046
Hash: 254ef49f70aeb1b552e46e6ef42f750f170f12ad3c0e63e3621639068b28b996
Previous block: 722b54c8a6cad3de726128a568174485a0cbff220f6a8bd96dde39011c983e29
Next block: 3b7be6db7a41dfb4b6cd423351fb4ea10f82a3711ec9c70ccbf37b8bafb516a9
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857843
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 08b69f966ec92d3692fadd17199db9f5f1a7fd67d20b79a2658fd79a9dc5bdfd
Median time: 1707857842
Difficulty: 4.656542373906925e-10
Confirmations: 1198
Chainwork: 000000000000000000000000000000000000000000000000000000000000082e
Bits: 207fffff