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: 2469
Hash: 1da5b7c302fc7bc39f7211eae8f194761331fdb6cd0c61b429689f3138d36cfc
Previous block: 0dc475770e808c3f86c9e1405d94da577471e7413ba53e3b9934450c21b921d4
Next block: 15c5d986312d0ba91768d5bd099e14b601410138ee40c078fb12aac89a883926
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847298
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 9ac09be4b943302a4a9dd0948dd8e227d9a4e13879baad7212cbedafcab5ea38
Median time: 1743847297
Difficulty: 4.656542373906925e-10
Confirmations: 174
Chainwork: 000000000000000000000000000000000000000000000000000000000000134c
Bits: 207fffff