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: 1462
Hash: 57aad65f6b70f8031d7e38a6678ff6442b740eda2f68a5b1ff2ea15460c0c9fd
Previous block: 5d6e920c3a273b6ea6639da020ba102443cf81f1c7e1e7d784732d539fc68fcb
Next block: 4569dcc55248bc21af51b5c48c62674b2f0b45bf6737f8e1e8d77f2356e81cfc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697651
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 6228e26c3b3f96609c02be727ba07e1aad9c2ca575c265f24f3b9706778ce158
Median time: 1718697650
Difficulty: 4.656542373906925e-10
Confirmations: 782
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b6e
Bits: 207fffff