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: 2055
Hash: 4e5e3178d255a7285b27879d0c861b2eadbb6e817cc29177fa6483bc5e107d96
Previous block: 1d725e9fa9cda96ce8e3c26c5bce1507bb18f4d09cfedb74b162b822867bcdda
Next block: 3e2acc39a953e7f3fe955077e18f6ee4378bced207ce8f56acfa884294d52fa0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964779
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: ce89e3cf6a97f0468bfcd9cf02f5efd6d44ae30a08fde6dcedd26c0b18293b66
Median time: 1728964778
Difficulty: 4.656542373906925e-10
Confirmations: 189
Chainwork: 0000000000000000000000000000000000000000000000000000000000001010
Bits: 207fffff