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: 1142
Hash: 6c2c495252fb231399977f4078508dffbbcc30cbf4d91f69b8e4595798e53242
Previous block: 18e84c014ca429265eeb1cca72c4e61e435056a7382bdf9eed485111539b538d
Next block: 27a06f7048a631dad3fc5571125f3f14af9a65b1d52d5df75049511f822314f0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857859
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 224418cd202764163991266ee6adfc08ae3ff91349532b69f0a3a9ec947c4e1d
Median time: 1707857858
Difficulty: 4.656542373906925e-10
Confirmations: 1102
Chainwork: 00000000000000000000000000000000000000000000000000000000000008ee
Bits: 207fffff