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: 2050
Hash: 481cfe6dc530e9ccbb4b7ab2ee23aae533513d84ece2ad54cac391282b87c52c
Previous block: 6c1b503e80a7ff911caa1d9e1f7121d1783dd2e4b808ac3c267fa51eb60aa07b
Next block: 139c228657a86697a726fd362f5458d51e4bdd4d75dc2c6a8e9e4220896dedc7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964778
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e91a4fca0de14866cf6d1502198646045bd311a61b3349fd4bb9fa03b9e2f5f5
Median time: 1728964777
Difficulty: 4.656542373906925e-10
Confirmations: 194
Chainwork: 0000000000000000000000000000000000000000000000000000000000001006
Bits: 207fffff