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: 714
Hash: 563af5cdf4ab11ecca0f17349769953ff3706ea9fe3443e533462f162bf388b7
Previous block: 39322d566045fcdad9f14dbdcde7c0c7dc928a6e343132379669f98957324357
Next block: 5601c178bb9d6b83a9b06b1d57e414e4e10692f89db8089ad2da9903bdfb8c72
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864262
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: d953e5d2ad5517dee4df3b5edf69bf6a6dd6f065aba7ce0920465bbdc7731108
Median time: 1701864262
Difficulty: 4.656542373906925e-10
Confirmations: 1530
Chainwork: 0000000000000000000000000000000000000000000000000000000000000596
Bits: 207fffff