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: 879
Hash: 248da1387b2d91df269441a153e948f078ae9a9bf3ffa8b0ca69d99e9e7e716a
Previous block: 417339ebb696c6b8a37d93d674aeb0af72dc47807cb076c9eecdf75a8020d4c9
Next block: 3d31a53fa52f5b1ffc55d72b7ba9b7dc6359d6bdb39a1be6f6f52b3cc860e0ac
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857815
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 01bd6aafd378f1dd298a001fbce0c77fc0a394cb3445a344e08c80a9a73eeb32
Median time: 1707857814
Difficulty: 4.656542373906925e-10
Confirmations: 1365
Chainwork: 00000000000000000000000000000000000000000000000000000000000006e0
Bits: 207fffff