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: 489
Hash: 1ebfbb1966085f6130f0005bce1f63490b2a1982dc74e58900f2300f35c650fb
Previous block: 1a2a8ac1c50519f37f183101eb8891720d4e2e1a71e26b579db24bf4aae95570
Next block: 15e80a9c9b33f3c383f8572ddddc2a603d2b4fc5aecb9b6fcb5a70498a767ade
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864225
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 0c71ed7a8b506f1d3a10b92eea240a8cb6ef15690232d613ed4570499a13cb78
Median time: 1701864224
Difficulty: 4.656542373906925e-10
Confirmations: 1755
Chainwork: 00000000000000000000000000000000000000000000000000000000000003d4
Bits: 207fffff