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: 888
Hash: 072febead3299f4aebcaf6d698422f437d73056fe9a22eca36f22f90f3b64627
Previous block: 098e7f1a47675b258e2a3dbf762306c7c6b1ee650b9ca859d4e40dfab027d106
Next block: 1683b032ac45f25494e1ac8b5eeb37af3471acc8f6c4b38ebb1a6e74a8b44f11
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857816
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: e976ac96dfd4cab93e6334c1b480aa5f29d44f77e6706529115bbd4fade73d08
Median time: 1707857816
Difficulty: 4.656542373906925e-10
Confirmations: 1356
Chainwork: 00000000000000000000000000000000000000000000000000000000000006f2
Bits: 207fffff