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: 152
Hash: 4bc39ecb370d534e5e42cc66728aac9de11076373154e0665631a3631176421d
Previous block: 1d1907a426b129a6fc0d6681820bfd14272066f6f7fb47972e7cba05b11d7476
Next block: 2652957dea0f2b05c983c4e75aafbb0a6608d41978c62d4811433659cc6af94c
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597893
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: 45f6cebe422cb1507978264b44998eada10f8777c3e1519091aec2d6d9c1c151
Median time: 1701597892
Difficulty: 4.656542373906925e-10
Confirmations: 2092
Chainwork: 0000000000000000000000000000000000000000000000000000000000000132
Bits: 207fffff