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: 2407
Hash: 36f35b1f90d63892cdb74b8ffb9b1e97198a460154c6e0d87a9f54f9610f6eab
Previous block: 775d07a91cb49e19b2a30033bf0c2f3e4cc88a0025dbe07a27d0f3c714933a2a
Next block: 41a60bae981ad35096a7aef374ed2781dbf9a97b3fdd6d9b5f5c4c26972be2a2
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847288
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 95eec8b95b2585e0915760ee99b21babb2283b01e6779da84bc194b1bad5a50e
Median time: 1743847287
Difficulty: 4.656542373906925e-10
Confirmations: 236
Chainwork: 00000000000000000000000000000000000000000000000000000000000012d0
Bits: 207fffff