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: 62
Hash: 2f3b553704cced3126043c70add6e097f07f30485d8c3bed005378bdf438f046
Previous block: 71ae9e8885b33fe2d885f7906296e1ce18d7522701c531361577a79eda2acab9
Next block: 77aaada01eba99c07c36b732c86e1d09f1f316cff714a03f227e96c149cb89d8
Weight: 868
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597878
Stripped size: 217
Size: 217
Nonce: 0
Merkle root: 9a2696eb12f092a3fa8d3c63a8128c7ad65bbaba1547e8ab2502ac9c2ef957df
Median time: 1701597877
Difficulty: 4.656542373906925e-10
Confirmations: 2182
Chainwork: 000000000000000000000000000000000000000000000000000000000000007e
Bits: 207fffff