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: 1151
Hash: 7ac0d2d316831e12aa92910fdc57d7b02f83392b84234d2f647d8340d4a5e301
Previous block: 4e260e1b88f54687af17e5abfa992bb7789ab7e69b4a92fe1ac7619608eac5d7
Next block: 0c62ab2cf3249926c0ab4e20c04d11f4c322d25107092b054c15a883379b1959
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857860
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: be62f7db46850b9f1dd079866e2c83e088ac4e84804002d497a0e333305632f0
Median time: 1707857859
Difficulty: 4.656542373906925e-10
Confirmations: 1093
Chainwork: 0000000000000000000000000000000000000000000000000000000000000900
Bits: 207fffff