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. mgqFp9Dhy

Height: 2211
Hash: 5b277f37bece90cf4589cb301aebe3480154f2b6e1d4556a2ffa4c8c2e5631b3
Previous block: 777385d3d74059a923db99a1f156439aed59a2db8340167c6b4344ad259f316f
Next block: 5fc28e1c0a7e10434841f6db1200ec01d24fc1f769cf1f43b4b456b3722bd271
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964805
Stripped size: 218
Size: 254
Nonce: 6
Merkle root: c2af36cf09b9737c6f8286b4878b0281156c69e89b86c05e555ee4ab65aa941e
Median time: 1728964804
Difficulty: 4.656542373906925e-10
Confirmations: 33
Chainwork: 0000000000000000000000000000000000000000000000000000000000001148
Bits: 207fffff