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: 699
Hash: 2e63050909db4f0620981d6f3cc64ad5300df4d5d69f467311e99ee382851db2
Previous block: 4c00c0c9816fe28d79cd0afdcf08f9ab214be07d603e7416832796d7f0d84533
Next block: 62df93e410c2edece9797560e9bb9f64846d425d4c9fe13ad052235538e8b02b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864260
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 929d192504a486da3e7601b6e29ac9fc9b1f607a5a77e6193a154093f51e6cea
Median time: 1701864259
Difficulty: 4.656542373906925e-10
Confirmations: 1545
Chainwork: 0000000000000000000000000000000000000000000000000000000000000578
Bits: 207fffff