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: 2011
Hash: 6863ea16b2912d5fc76affe7f96db4971fd51bcc43f0a8ebd8e81a5489f1a94d
Previous block: 62f04f6722930f91afe5729f6fb7a69c12a54db4f7c8aa06a1a48a1467583554
Next block: 2fc63dc2a70a740bef3a8ff74d48462f8f6d1b44d6b0f1e6177e22c04a90d358
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159258
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9897b5f5134778e3d173558953378a26ea588fe68a8c4439cd637cef83a749dd
Median time: 1719159258
Difficulty: 4.656542373906925e-10
Confirmations: 233
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fb8
Bits: 207fffff