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: 1027
Hash: 5a9d056a6fb51f298961b7aa2f9c8b672e1305d524321ac8d5baf605026a577d
Previous block: 1fbaea830816694a176babe936e141d9e52b2dcbc64668da5e7e0dcc8355a57b
Next block: 06c0b5e15b7c98fca4061c8b71b4bc419aad3f7ef8d49542d1fe970e8db0ced3
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857840
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e9e9ddcc2f5fcb7abf913060ce71d6197cac0b9e7a858b85c7f06f0ffccf242d
Median time: 1707857839
Difficulty: 4.656542373906925e-10
Confirmations: 1217
Chainwork: 0000000000000000000000000000000000000000000000000000000000000808
Bits: 207fffff