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: 2348
Hash: 595c03afa5569c5fa081ae7b1d6612f94f52133f5d2b2895d9f1cf350da4fe9e
Previous block: 7cb9cc5a1bc524ea22c99a30a147bd029cea6799abf06fe808ab75707bd87e5a
Next block: 06db066755df11ecb4befcaa2d81f0e166a0f2a27d3b32f92ddb0f3c2fd5126f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847278
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 171985050de9e1c3e58ebb2f82ae61921ef014f3f265e2dfd5fcb8fff8e85f47
Median time: 1743847277
Difficulty: 4.656542373906925e-10
Confirmations: 295
Chainwork: 000000000000000000000000000000000000000000000000000000000000125a
Bits: 207fffff