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: 902
Hash: 795e0162bcc7e7fdc252441e3006ff7a91a0b02d8570755c838553b47aa81ad3
Previous block: 00703fc841adb28d790e6e789f8edab9e87e94d5ab261f51f0bf7c9a92d2531a
Next block: 5a0b2cc826f2b0749da53c574fe98f5eb833ded900a121fbd0ed733ef68c5c07
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857819
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e1eaf8a57385720bcd6c1c97947eb4cb2510880c0f9140af3a8cdae6411262be
Median time: 1707857818
Difficulty: 4.656542373906925e-10
Confirmations: 1342
Chainwork: 000000000000000000000000000000000000000000000000000000000000070e
Bits: 207fffff