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: 1326
Hash: 424e2ed19b2ac0ad22cad7926398063921b55a9c88522f89075811c90332a5f7
Previous block: 35bc1c2e6167065595ce3ce607e03719b02874854335fe731cceef2e533f6672
Next block: 59fb3e1ab8d2d8fdd29c11c2d9f6e3a8d57214aa24f9b74914c38321b870fa08
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697628
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 593ddc8ab3afba6ff353bf594e7809f16a32fe61e998610a0aea1ab664b33df0
Median time: 1718697628
Difficulty: 4.656542373906925e-10
Confirmations: 918
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a5e
Bits: 207fffff