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: 1696
Hash: 71095ae6397544308db046dfe75de6b35c269fe85ca981b15e58c999a6fe4912
Previous block: 0951d149773a7e8c95b668aada1d2572f583f3a76724932f8038ef728ef8e16d
Next block: 4a6a048ec5ce6276d8faed422937432db8344343103d75c753c6e8edf214a6b6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159206
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 2c6e04f130f1ac74fdb5e922d3eee4b956a6e5a60ddf12a8a4eb0ef9488bd1f2
Median time: 1719159205
Difficulty: 4.656542373906925e-10
Confirmations: 548
Chainwork: 0000000000000000000000000000000000000000000000000000000000000d42
Bits: 207fffff