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: 2537
Hash: 3a5a7be25a7441c5094900ff0087df111f2167c4dfc8a98b963444dea465b898
Previous block: 48289f3283a35a9c758bf06565b805eef235820d3928de6be94f02a95a4a5e5c
Next block: 0c78b00ebfdb5a5691d5e6dc543a634ead6aff03c0e0dee218deabb12c8519d1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847309
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e4722ccf22e9cd2d4c1fa2ae16adffa481904bdcf1b7c47f50a3c46373248f1c
Median time: 1743847309
Difficulty: 4.656542373906925e-10
Confirmations: 106
Chainwork: 00000000000000000000000000000000000000000000000000000000000013d4
Bits: 207fffff