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: 1072
Hash: 1c104c7d632b0d21fb4e1ba8cf3a1bfe38c86acc40fed428e6980b4a78843f69
Previous block: 2cb29afd742c5668634c231b57f9ca249d1962fe5d1fb5a427848e723947634e
Next block: 59bae5908bfcd86ab273d126c09218b047f4b2d3d7450d52782b70ecfb2a6089
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857847
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b2fc7c060b02c6e0c083f39f4822b281913f62fb9c97d5e368f569f3d276308b
Median time: 1707857846
Difficulty: 4.656542373906925e-10
Confirmations: 1172
Chainwork: 0000000000000000000000000000000000000000000000000000000000000862
Bits: 207fffff