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: 1355
Hash: 2f86cc3c19b64825ac295d0da406eb33395ec9bfae20c52ba377dba5219126f2
Previous block: 0d0bbb2caaa39cf318a35c44a4dfe01ecd97266a92cbc568b26e81ba6adbca51
Next block: 689447c96c83c0a4906ed6c972ada8fb5a45b8181efdd2781130f13435749572
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697633
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: cb8bcc72af371e676c71b70a46d3e23e5abe58eb0234bdc1183628e2d477eaa1
Median time: 1718697632
Difficulty: 4.656542373906925e-10
Confirmations: 889
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a98
Bits: 207fffff