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: 1367
Hash: 7d310b79751cb797b3304da607d9eeffa911c10ba74936f2f7ca6707d6ceb093
Previous block: 347c36aa241852f3e864170917a305ef2e8adcaf459fde820758981214a62627
Next block: 20530e69a1d89873fc1d1d02550efda5588570cc70eff9cb1e3685046080f07a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697635
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 34e7126add81f77de47681397754a06413858093dc8f73588556f812fd9afc1e
Median time: 1718697634
Difficulty: 4.656542373906925e-10
Confirmations: 877
Chainwork: 0000000000000000000000000000000000000000000000000000000000000ab0
Bits: 207fffff