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: 2493
Hash: 36459b5a7b89bb1c6731ace0a76814ca46c48860572565824f527587fc57dbb2
Previous block: 2edf2f9d64be1f3f6d381fc0e9da76559a189b0a5635db503df2d01df7c2b8ef
Next block: 386824e79c3df17586c99ef84ce2db0bbaf8532cb137bda81a960596f7adf5a0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847302
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 872ecc7ee1e85f61c5d69c1420ee00c6a41bea767ec763f849d4a3c4d45ca2a8
Median time: 1743847301
Difficulty: 4.656542373906925e-10
Confirmations: 150
Chainwork: 000000000000000000000000000000000000000000000000000000000000137c
Bits: 207fffff