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: 2265
Hash: 3b877669ed0c655e69eef120dbdf8332ad6aa1ea05e4969c79d49fc68949ff61
Previous block: 6448c136b4f6afc23b7937ebd51cb849b40a7edfc7c686b627a0ed45e7e16b3c
Next block: 7c3924880f4772958273e0897778f37e92c0c96740d8e100c04c5e414c8af34d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847264
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3ff7edcf43a0b811a075695d7095967c4fdf60e049577611e941508f0d3e9c90
Median time: 1743847263
Difficulty: 4.656542373906925e-10
Confirmations: 378
Chainwork: 00000000000000000000000000000000000000000000000000000000000011b4
Bits: 207fffff