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: 1365
Hash: 0d696b7441480dd88135be98ef2145a072b0f5f071ff50ed2c51f860651b5918
Previous block: 3709a08447b3eedba642f6c3e57f0cb90381aeb5be520be2056cf4c620d03977
Next block: 347c36aa241852f3e864170917a305ef2e8adcaf459fde820758981214a62627
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697635
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: ab038fbf0925a35d0f59f153903dde17c9e3f847d3a7eeb5bb66bae73db2ccfc
Median time: 1718697634
Difficulty: 4.656542373906925e-10
Confirmations: 879
Chainwork: 0000000000000000000000000000000000000000000000000000000000000aac
Bits: 207fffff