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: 882
Hash: 6c161f7cc149d544230443c3737d1922455447b2e36219c273d7fa296ad9143f
Previous block: 5c7c9b22e9fdc0a25ee7995fd29b799f4779a6f0d2da765167f866eb815dd2da
Next block: 0d54d0e20f61c09a2c5546cb76e074fa1009b5ecaaeddf44e01175982d54c59d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857815
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f3398d9fd932be88610027429205f058a1efb6212999788df4e3f50837600692
Median time: 1707857815
Difficulty: 4.656542373906925e-10
Confirmations: 1362
Chainwork: 00000000000000000000000000000000000000000000000000000000000006e6
Bits: 207fffff