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: 1119
Hash: 70a95be419bcfaa2c1a55c51cfa1c37e22cffba0d449b5d7482c79b12d3bffff
Previous block: 7494bc4e0ed63f5a3758961d8ec3d41c121cd3ff137efcc2c76b9ee946649823
Next block: 65e7a1d99721962b6f4defec1e94f8032ac88a1a072ac757780c84c05478d1fa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857855
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: eab39a0c4734499f6fde3af23c2bf9bd6419ccb15dfb9aabf0888235e844e8d7
Median time: 1707857854
Difficulty: 4.656542373906925e-10
Confirmations: 1125
Chainwork: 00000000000000000000000000000000000000000000000000000000000008c0
Bits: 207fffff