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: 1066
Hash: 7949968d3dbb1ea03b3d1ac47730e09dddf22411ed6db1ccbd5f25c96e4c5cf5
Previous block: 07a8e10391a9a820c2cedecdd54b7405cb134a8fc38dd8a8634bd3574d8f9228
Next block: 74bfb82b0e229284ea528d0d607158fb0a9ea0030be61bf4757659b2ded7d469
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857846
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: 8a4c836e963284d37724b5f572a957f0ee43fb960564907e77a3da399a5fcf0f
Median time: 1707857845
Difficulty: 4.656542373906925e-10
Confirmations: 1178
Chainwork: 0000000000000000000000000000000000000000000000000000000000000856
Bits: 207fffff