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: 2426
Hash: 1366c96dae9c964764c52eb4579c06b5a27060ee634b9e9ec76b8e05ddd582e0
Previous block: 1466c6dfecaf7ee29a92cd120df6b4943531b88301f7da1a076ba90d01f28440
Next block: 5033f3c31d4ad73a1c725122647852efe384c8aa42608b00990cf38925c77599
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847291
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: cf2ed6fb3c62d414ebdf3987bab3fec5e719f196318b050cf0656e22771092ee
Median time: 1743847290
Difficulty: 4.656542373906925e-10
Confirmations: 217
Chainwork: 00000000000000000000000000000000000000000000000000000000000012f6
Bits: 207fffff