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: 1065
Hash: 07a8e10391a9a820c2cedecdd54b7405cb134a8fc38dd8a8634bd3574d8f9228
Previous block: 1aa84daabfcd2867ee7250c7e1d0471d768462b7fea77dd0256de731c02bf624
Next block: 7949968d3dbb1ea03b3d1ac47730e09dddf22411ed6db1ccbd5f25c96e4c5cf5
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857846
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3951d32d468787ed14b1f9774f24f7cdd494e112e415091c1b9e2f13540d81fd
Median time: 1707857845
Difficulty: 4.656542373906925e-10
Confirmations: 1179
Chainwork: 0000000000000000000000000000000000000000000000000000000000000854
Bits: 207fffff