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: 1110
Hash: 45b4d8c1c9c891aba5f62466389aa466b33eba0fc65f225b73061b9e78550f08
Previous block: 6d2172a89b0037d455f4f4ab28267bfd96e1a9012217fcae241b8e3708b11790
Next block: 09b537c0b462a736572155a48f18d5f29274f7044d2127ca7661acf30d4fd942
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857853
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 29f7c552c7c1d0bb41f132ae1e3f7ce95463a418d17e743e1e20523a92239d5b
Median time: 1707857853
Difficulty: 4.656542373906925e-10
Confirmations: 1134
Chainwork: 00000000000000000000000000000000000000000000000000000000000008ae
Bits: 207fffff