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: 1132
Hash: 42db7b2c3a0416c80462b342575596ea73ed55e7402cb262ddaed43b920eb224
Previous block: 6c9660d0e2bba314ed77089b2eafbabea8c929521d8693b3ce4f4258aa15591d
Next block: 07c9cd19d27c64957b669c3fba3113f71d667a763776d277d97f7ce55d888ecd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857857
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 0fcd0f30a88f31bfc227f61ec0d410efd45a3091c3dd68b7a1fd84ed92936317
Median time: 1707857856
Difficulty: 4.656542373906925e-10
Confirmations: 1112
Chainwork: 00000000000000000000000000000000000000000000000000000000000008da
Bits: 207fffff