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: 795
Hash: 50c7fc9d3c26a0dce6462c59391bd06025d93a238e96f401fe0611cd47a33241
Previous block: 2c6fd61af3cd4ef690805a31e0a973ee4377fd675e28cfa9faaa57a3b01fb800
Next block: 29f44788e98df43579e2652796379c05c1bc2423d47ba004c571f50b5ac6c887
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864276
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e410d430dce35e46e548039b7fabde63bed141298731d39e3497e674250641e9
Median time: 1701864275
Difficulty: 4.656542373906925e-10
Confirmations: 1449
Chainwork: 0000000000000000000000000000000000000000000000000000000000000638
Bits: 207fffff