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: 2402
Hash: 5a958ccd74687e399afc2e8c1a9a06bafed76f3eed22fe18ca35617b63b8be10
Previous block: 7232decf629c4cce855c2d6d56f4dbf5078a6ca9e4abe85dd85dd16b176eb675
Next block: 3b803b68f1077b765c2bae7c8b03321b33f262c47e5806ad648925ea48bd2d83
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847287
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 7661ec5535aa104394de389d9c61281e3f1e9c044e0fbbe8627e59ad4b0177ca
Median time: 1743847286
Difficulty: 4.656542373906925e-10
Confirmations: 241
Chainwork: 00000000000000000000000000000000000000000000000000000000000012c6
Bits: 207fffff