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: 965
Hash: 05f82614a29074bbf00567208fa5734dfc08614a11b546d7a790cbe4841c93bf
Previous block: 0a86e311aec35ff75ddddd49ed7184bda1834c5b9f0d640e0cc2555fe6ca0547
Next block: 28fd6cf39067ac014590127efc77d01adf1d29415707f0a5fbcd8df156fee76d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857829
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 7f5c9ffb9286f7bad285b6c665a5f9ce394d4a2239b064629fabebeea450ab61
Median time: 1707857828
Difficulty: 4.656542373906925e-10
Confirmations: 1279
Chainwork: 000000000000000000000000000000000000000000000000000000000000078c
Bits: 207fffff