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: 2411
Hash: 67fbedfcdd6799acc3cb6b5cec858caabdc703f3be524843fe14858ea6171ca1
Previous block: 52a0536a903f10b793bca75b13ba26105b0e046081c6920f54af76a5b889de02
Next block: 1e401fd11a4d1d79669c9a25d9c2fa45bfb7d810f860a2c11274f34ae4075d76
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847288
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 4a2b17398d907365a06e3b7c1b0c886362689ec371023419da792bb1bd06ab46
Median time: 1743847288
Difficulty: 4.656542373906925e-10
Confirmations: 232
Chainwork: 00000000000000000000000000000000000000000000000000000000000012d8
Bits: 207fffff