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: 1101
Hash: 64017de95d426fffd6fb7b37b79a65ee55b79673e7e8f8e62f997101187f0e24
Previous block: 386967279850df9a203dee354cd222fff67da6a697d91e84dc0fd356a0531073
Next block: 21b0b0f485d0cc054c8221f6793b2efb37ca71094f91653e4e4462883b37c69c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857852
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 59884133a1d0735835122aa231d3b988fc02f2dec191db8d557ea41dda2336e6
Median time: 1707857851
Difficulty: 4.656542373906925e-10
Confirmations: 1143
Chainwork: 000000000000000000000000000000000000000000000000000000000000089c
Bits: 207fffff