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: 2468
Hash: 0dc475770e808c3f86c9e1405d94da577471e7413ba53e3b9934450c21b921d4
Previous block: 3fe93493adfa75149fa03b76a37fb4a798f63c001449b92ce59619a117a97470
Next block: 1da5b7c302fc7bc39f7211eae8f194761331fdb6cd0c61b429689f3138d36cfc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847298
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 10ca8ac48e0fe9de1e0e293af41b2cec0ed8ced00404313b41d699dc46c0418e
Median time: 1743847297
Difficulty: 4.656542373906925e-10
Confirmations: 175
Chainwork: 000000000000000000000000000000000000000000000000000000000000134a
Bits: 207fffff