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: 1118
Hash: 7494bc4e0ed63f5a3758961d8ec3d41c121cd3ff137efcc2c76b9ee946649823
Previous block: 3876e8c93986bfa7793fd648c9bcb1d8b6a68dc4f00f2d6f7134cfc153b1a69b
Next block: 70a95be419bcfaa2c1a55c51cfa1c37e22cffba0d449b5d7482c79b12d3bffff
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857855
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 7725ad8f16de3d613b6199b66e5dc9c03a259ffd7e97b450ddfd07acacb94c59
Median time: 1707857854
Difficulty: 4.656542373906925e-10
Confirmations: 1126
Chainwork: 00000000000000000000000000000000000000000000000000000000000008be
Bits: 207fffff