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: 2009
Hash: 3074b408be98adcb045607c2aeaa84bec58a1d1dd670d11c3cbdc2bc1d8ad9c3
Previous block: 14a880525e4773c91682e95904cb17573b89c4addafe7827120ba9de25929d3d
Next block: 62f04f6722930f91afe5729f6fb7a69c12a54db4f7c8aa06a1a48a1467583554
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159258
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: ac496989c2d61dbdef19bd4e0b9fc140e4be7acf6b51999a7d2b4b0f292d275d
Median time: 1719159257
Difficulty: 4.656542373906925e-10
Confirmations: 235
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fb4
Bits: 207fffff