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: 1081
Hash: 2ab896826c007956f0aaa76be4e1f873313dc2d4183ce185e20744b8b1927dfe
Previous block: 2429216aca947b5636aaedf524209fbb61b5aae754df367b80fc5cdc08449b0d
Next block: 50f35bc1c9dca38aac315ddb68f7615337d4e86838997b5ca93953a1b4e25d6f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857849
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 03044993b845a294d583425ec4a7ea7a5d0f1c9388ae4ca282fac35bdb53cd3f
Median time: 1707857848
Difficulty: 4.656542373906925e-10
Confirmations: 1163
Chainwork: 0000000000000000000000000000000000000000000000000000000000000874
Bits: 207fffff