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: 1358
Hash: 2a320126cb852db6eb4a9ffd75905c368d89f41495f89178c79553929c2c5317
Previous block: 45d7ec82c9de1f0ff5db0a91bec7cd9df49362119398595073697199b0de2007
Next block: 6b1717af7dd38b3a76c446a1e4537c597adc658141551d976dd3b21d4dafbd1e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697634
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 6f39f224d08f937db219d354264b6b5b7b2de9732eaa02f141acd7c43a2e1cb2
Median time: 1718697633
Difficulty: 4.656542373906925e-10
Confirmations: 886
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a9e
Bits: 207fffff