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: 2413
Hash: 72d5a3643f58903de2469f61c05bdb2404488f087384e6043b640f0509284435
Previous block: 1e401fd11a4d1d79669c9a25d9c2fa45bfb7d810f860a2c11274f34ae4075d76
Next block: 44c5a1f4a042a444502b038df30ba9534365d669f57478338016cb8bdbc91035
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847289
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 23ed284e63676f0ad73cb71932e1eea8b86ff9fd75b1b1e5c8a888a3554d798b
Median time: 1743847288
Difficulty: 4.656542373906925e-10
Confirmations: 230
Chainwork: 00000000000000000000000000000000000000000000000000000000000012dc
Bits: 207fffff