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: 1116
Hash: 528d9c2d8fb730ab386914c3e057873c0c6021eb0bf92dc1ae54fdeb276150bb
Previous block: 66b96b2beb56becaa2a10eb393d8afe2b15454ba026030bc87d0b79b7c550df5
Next block: 3876e8c93986bfa7793fd648c9bcb1d8b6a68dc4f00f2d6f7134cfc153b1a69b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857854
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1c549394f17861cfd583187fbfa856ad48ab494c0fd05b3f1f28c05321fb6f57
Median time: 1707857854
Difficulty: 4.656542373906925e-10
Confirmations: 1128
Chainwork: 00000000000000000000000000000000000000000000000000000000000008ba
Bits: 207fffff