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: 2465
Hash: 393668b4691c529df53201cb40d32a2e6ccd1bffd48fa3557129a9ff941f1feb
Previous block: 25c3b83a0f2ba6c15406637d7d30779b3d3531f5525e5c7a43df4528e1fd1212
Next block: 664db5f7e84180f047880569f32498253c0aa4f88346f5c723e6ad9a04685bce
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847297
Stripped size: 218
Size: 254
Nonce: 5
Merkle root: f896c13ca081c7fd1271bc7a68806261b2dac9e0fe855ccee8c3e6667dfb1d20
Median time: 1743847297
Difficulty: 4.656542373906925e-10
Confirmations: 178
Chainwork: 0000000000000000000000000000000000000000000000000000000000001344
Bits: 207fffff