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: 988
Hash: 5abde1c5b3109c731352753921dfa32522f714fac6a2ee6c209faf36e8a28548
Previous block: 59f0b9453badeec2737a196eb7a54e00dc29bbab2b6a1f4d5d99881454d58c9f
Next block: 6298ea0fdbcc4a491408fe645f28371b976885019053cb94034fb396f2c3c9c7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857833
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: 9f8ab2dea3db1f72b662a4068e6b84c70ea91f29f9cd88da0c607dfe648f13b4
Median time: 1707857832
Difficulty: 4.656542373906925e-10
Confirmations: 1256
Chainwork: 00000000000000000000000000000000000000000000000000000000000007ba
Bits: 207fffff