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: 2259
Hash: 496b920dbf88038721ecdbb4ddc74c4db177454f2199cdae46cce549f70195f5
Previous block: 760ad97b32e211d98d80eb8c65fce7209216c34670d425969563804e7248395e
Next block: 116cd739973807aba641ceb3e0f6e0abaa8707149c4ebbf8fc4ea9c53c1fa33f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847263
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 793f331d49dd865b8bc9f99abed916445915409e8bd0aa16f815b96c451b1f82
Median time: 1743847262
Difficulty: 4.656542373906925e-10
Confirmations: 384
Chainwork: 00000000000000000000000000000000000000000000000000000000000011a8
Bits: 207fffff