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: 1178
Hash: 0f58131ab5452df5ceb09215c8e1424c2c57448f0547b1272e1a3dd19e7f3b11
Previous block: 70f19b4e7789c5b421840ae254fff93c13ee1e9b044e4c72fc2a0159da312b4a
Next block: 1f80050d6c9dc4ccfb96b1db5c46daa72f0f38635ba6188bbe4e078d70202352
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857865
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 1e6711ae06dd4e6146b8594d135f153c394ff086603a4accffe3c4064f691b4f
Median time: 1707857864
Difficulty: 4.656542373906925e-10
Confirmations: 1066
Chainwork: 0000000000000000000000000000000000000000000000000000000000000936
Bits: 207fffff